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RARE US​
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Ultragenyx Pharmaceutical Inc.(RARE US)

$16.08-0.191.17%Ext:$15.13-0.955.92%(Market Closed · 00:55:55 UTC)
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Overview

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Documents

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Categorized
Logo
  • Home
  • AI Agent
  • Annotations
  • Files
  • Pricing and plans
  • BlogAboutContact us
    APIMCP
    Terms of servicePrivacy policy

  • Get the full experience

    We save the real magic for signed-in users.

RARE US​
HomeStock ScreenerDocument SearchChartingWatchlistsRecent Filings

Ultragenyx Pharmaceutical Inc.(RARE US)

$16.08-0.191.17%Ext:$15.13-0.955.92%(Market Closed · 00:55:55 UTC)
Ask AI
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

Overview

ProfileEntity Structure

Documents

SEC Filings
Categorized
Chronological
By Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees
Chronological
By Owner

Financials & Metrics

FinancialsChartingShort InterestEmployees

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

Huizenga Theodore Alan(71)

  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership8 Sep
  • Form 4Statement of changes in beneficial ownership24 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership30 Dec 2025
  • Form 4Statement of changes in beneficial ownership19 Sep 2025
  • Form 4Statement of changes in beneficial ownership8 Sep 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership11 Dec 2024
  • Form 4Statement of changes in beneficial ownership18 Sep 2024

KAKKIS EMIL D(63)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership31 Dec 2024
  • Form 4Statement of changes in beneficial ownership11 Dec 2024
  • Form 4Statement of changes in beneficial ownership5 Sep 2024
  • Form 4Statement of changes in beneficial ownership7 Aug 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership8 Feb 2024
  • Form 4Statement of changes in beneficial ownership2 Jan 2024

Sharp Shalini(54)

  • Form 4Statement of changes in beneficial ownership16 Oct 2020
  • Form 4Statement of changes in beneficial ownership19 Aug 2020
  • Form 4Statement of changes in beneficial ownership5 Jun 2020
  • Form 4Statement of changes in beneficial ownership3 Jun 2020
  • Form 4Statement of changes in beneficial ownership20 May 2020
  • Form 4Statement of changes in beneficial ownership8 May 2020
  • Form 4Statement of changes in beneficial ownership21 Apr 2020
  • Form 4Statement of changes in beneficial ownership3 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Oct 2019
  • Form 4Statement of changes in beneficial ownership17 Sep 2019

Kassberg Thomas Richard(50)

  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership12 Mar 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership24 Oct 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership15 Mar 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 5Annual statement of beneficial ownership1 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership1 Oct 2021

Parschauer Karah Herdman(49)

  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership12 Sep 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership3 Mar 2025
  • Form 4Statement of changes in beneficial ownership12 Jun 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024

Pinion John Richard(35)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership19 May 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021

Huang Dennis Karl(32)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership16 Oct 2020

Aliski William(26)

  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership23 Feb 2021
  • Form 5Annual statement of beneficial ownership3 Feb 2021
  • Form 4Statement of changes in beneficial ownership25 Aug 2020
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership3 Jun 2020
  • Form 4Statement of changes in beneficial ownership20 May 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership7 Dec 2018
  • Form 4Statement of changes in beneficial ownership8 Nov 2018

Harris Erik(26)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership6 Sep 2023
  • Form 4Statement of changes in beneficial ownership21 Jun 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership22 Jun 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021

Fust Matthew K(23)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership11 Mar 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership8 Mar 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership8 Jul 2020
  • Form 4Statement of changes in beneficial ownership6 Jul 2020

AGARWAL SUNIL(22)

  • Form 4PRIMARY DOCUMENT23 Aug 2016
  • Form 4PRIMARY DOCUMENT21 Jul 2016
  • Form 4PRIMARY DOCUMENT21 Jun 2016
  • Form 4PRIMARY DOCUMENT3 Jun 2016
  • Form 4PRIMARY DOCUMENT26 May 2016
  • Form 4PRIMARY DOCUMENT23 May 2016
  • Form 4PRIMARY DOCUMENT21 Apr 2016
  • Form 4PRIMARY DOCUMENT24 Mar 2016
  • Form 4PRIMARY DOCUMENT22 Mar 2016
  • Form 4PRIMARY DOCUMENT23 Feb 2016

Bedrosian Camille L(20)

  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership1 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership2 Sep 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership19 Apr 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership2 Feb 2021
  • Form 4Statement of changes in beneficial ownership19 Jan 2021

Horn Howard(18)

  • Form 4Statement of changes in beneficial ownership19 Oct
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership1 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership3 Feb
  • Form 4Statement of changes in beneficial ownership5 Jan

WELCH DANIEL G(14)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

NARACHI MICHAEL(14)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

Dunsire Deborah(12)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

Sanders Corazon (Corsee) D.(12)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership23 Jun 2025
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership10 Jun 2024
  • Form 4Statement of changes in beneficial ownership30 Jun 2023
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership29 Jun 2022

Dallas Jayson Donald Alexander(11)

  • Form 4Statement of changes in beneficial ownership4 Jun 2018
  • Form 4Statement of changes in beneficial ownership19 Apr 2018
  • Form 4Statement of changes in beneficial ownership5 Mar 2018
  • Form 4Statement of changes in beneficial ownership7 Aug 2017
  • Form 4Statement of changes in beneficial ownership1 Jun 2017
  • Form 4Statement of changes in beneficial ownership1 Mar 2017
  • Form 4PRIMARY DOCUMENT8 Aug 2016
  • Form 4PRIMARY DOCUMENT7 Jun 2016
  • Form 4PRIMARY DOCUMENT3 Jun 2016
  • Form 4Statement of changes in beneficial ownership6 Aug 2015

Crombez Eric(11)

  • Form 4Statement of changes in beneficial ownership6 May
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership5 May 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership3 May 2024
  • Form 4Statement of changes in beneficial ownership19 Apr 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership29 Sep 2023
  • Form 3Initial statement of beneficial ownership2 May 2023

SIEGALL CLAY B(10)

  • Form 4Statement of changes in beneficial ownership11 Aug 2020
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017
  • Form 4PRIMARY DOCUMENT14 Jun 2016
  • Form 4PRIMARY DOCUMENT22 Jun 2015
  • Form 4Statement of changes in beneficial ownership17 Jul 2014
  • Form 3Initial statement of beneficial ownership30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

SULIMAN SHEHNAAZ(10)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership1 Feb 2019
  • Form 3Initial statement of beneficial ownership1 Feb 2019

Ekman Lars(9)

  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017
  • Form 4PRIMARY DOCUMENT14 Jun 2016
  • Form 4PRIMARY DOCUMENT21 Mar 2016
  • Form 3PRIMARY DOCUMENT21 Mar 2016

Dier Mardi(8)

  • Form 4Statement of changes in beneficial ownership17 Oct 2022
  • Form 4Statement of changes in beneficial ownership14 Oct 2022
  • Form 4Statement of changes in beneficial ownership19 Sep 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership14 Oct 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership13 Oct 2020
  • Form 3Initial statement of beneficial ownership13 Oct 2020

Ray Amrit(7)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership22 Apr 2022
  • Form 3Initial statement of beneficial ownership22 Apr 2022

Ultragenyx Pharmaceutical Inc.(5)

  • Form 4Statement of changes in beneficial ownership12 Aug 2021
  • Form 4Statement of changes in beneficial ownership10 Dec 2020
  • Form 3Initial statement of beneficial ownership30 Oct 2020
  • Form 4Statement of changes in beneficial ownership22 May 2020
  • Form 3Initial statement of beneficial ownership25 Jun 2019

Hogenhuis Wladimir(4)

  • Form 4Statement of changes in beneficial ownership7 Oct 2019
  • Form 4Statement of changes in beneficial ownership4 Mar 2019
  • Form 4Statement of changes in beneficial ownership9 Oct 2018
  • Form 3Initial statement of beneficial ownership5 Oct 2018

FMR LLC(3)

  • Form 4PRIMARY DOCUMENT5 Aug 2014
  • Form 4PRIMARY DOCUMENT5 Feb 2014
  • Form 3PRIMARY DOCUMENT5 Feb 2014

BONDERMAN DAVID(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

COULTER JAMES G(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

TPG Group Holdings (SBS) Advisors, Inc.(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

Nadav Eran(3)

  • Form 4Statement of changes in beneficial ownership17 Jul 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

Steen Marten(2)

  • Form 3Initial statement of beneficial ownership30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

≥5% Ownership

BlackRock Inc.(12)

  • SC 13G/AUltragenyx Pharmaceutical Inc.29 Jan 2024
  • SC 13GUltragenyx Pharmaceutical Inc.3 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Mar 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.3 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.1 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.6 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.6 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.23 Jan 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.27 Jan 2017
  • SC 13GUltragenyx Pharmaceutical Inc.28 Jan 2016

VANGUARD GROUP INC(11)

  • SC 13G/AUltragenyx Pharmaceutical Inc.27 Mar
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Sep 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2017

FMR LLC(11)

  • SC 13G/AUltragenyx Pharmaceutical Inc.5 Feb
  • SC 13GUltragenyx Pharmaceutical Inc.5 Nov 2025
  • SC 13G/AUltragenyx Pharmaceutical Inc.7 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Jul 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2016
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Sep 2014

WELLINGTON MANAGEMENT GROUP LLP(10)

  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2025
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Feb 2024
  • SC 13GUltragenyx Pharmaceutical Inc.6 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Jan 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Oct 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Mar 2016
  • SC 13GUltragenyx Pharmaceutical Inc.11 Feb 2016

Capital Research Global Investors(9)

  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Oct 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2016
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13GUltragenyx Pharmaceutical Inc.10 Sep 2014

PRICE T ROWE ASSOCIATES INC /MD/(8)

  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Aug 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 May 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2019

Ultragenyx Pharmaceutical Inc.(6)

  • SC 13D/AArcturus Therapeutics Holdings Inc.26 Oct 2021
  • SC 13D/AArcturus Therapeutics Holdings Inc.12 Aug 2021
  • SC 13D/AArcturus Therapeutics Holdings Inc.10 Dec 2020
  • SC 13DSolid Biosciences Inc.6 Nov 2020
  • SC 13D/AArcturus Therapeutics Holdings Inc.22 May 2020
  • SC 13DArcturus Therapeutics Holdings Inc.26 Jun 2019

Capital International Investors(6)

  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Dec 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2019
  • SC 13GUltragenyx Pharmaceutical Inc.10 Jan 2018

FEDERATED HERMES, INC.(4)

  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Jan 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2021
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2020

RTW INVESTMENTS, LP(4)

  • SC 13GUltragenyx Pharmaceutical Inc.14 Aug
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Nov 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2024
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2023

STATE STREET CORP(3)

  • SC 13GUltragenyx Pharmaceutical Inc.10 Nov
  • SC 13GUltragenyx Pharmaceutical Inc.7 Aug
  • SC 13GUltragenyx Pharmaceutical Inc.12 May

VANGUARD PORTFOLIO MANAGEMENT LLC(3)

  • SC 13G/AUltragenyx Pharmaceutical Inc.30 Oct
  • SC 13G/AUltragenyx Pharmaceutical Inc.31 Jul
  • SC 13GUltragenyx Pharmaceutical Inc.29 Apr

NEW PERSPECTIVE FUND(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.15 Feb 2019
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2018

FIL Ltd(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13GUltragenyx Pharmaceutical Inc.11 Aug 2014

SMALLCAP WORLD FUND INC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2016
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2015

SANDS CAPITAL MANAGEMENT, LLC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2025
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2024

AQR CAPITAL MANAGEMENT LLC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Nov
  • SC 13GUltragenyx Pharmaceutical Inc.13 Aug

Capital World Investors(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2020

BlackRock, Inc.(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.30 Jul
  • SC 13G/AUltragenyx Pharmaceutical Inc.24 Apr 2025

TPG Group Holdings (SBS) Advisors, Inc.(1)

  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2015

Madison Avenue Partners, LP(1)

  • SC 13GUltragenyx Pharmaceutical Inc.20 Oct

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GUltragenyx Pharmaceutical Inc.31 Jul

Insider Ownership

Huizenga Theodore Alan(71)

  • Form 4Statement of changes in beneficial ownership15 Sep
  • Form 4Statement of changes in beneficial ownership8 Sep
  • Form 4Statement of changes in beneficial ownership24 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership30 Dec 2025
  • Form 4Statement of changes in beneficial ownership19 Sep 2025
  • Form 4Statement of changes in beneficial ownership8 Sep 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership11 Dec 2024
  • Form 4Statement of changes in beneficial ownership18 Sep 2024

KAKKIS EMIL D(63)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership31 Dec 2024
  • Form 4Statement of changes in beneficial ownership11 Dec 2024
  • Form 4Statement of changes in beneficial ownership5 Sep 2024
  • Form 4Statement of changes in beneficial ownership7 Aug 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership8 Feb 2024
  • Form 4Statement of changes in beneficial ownership2 Jan 2024

Sharp Shalini(54)

  • Form 4Statement of changes in beneficial ownership16 Oct 2020
  • Form 4Statement of changes in beneficial ownership19 Aug 2020
  • Form 4Statement of changes in beneficial ownership5 Jun 2020
  • Form 4Statement of changes in beneficial ownership3 Jun 2020
  • Form 4Statement of changes in beneficial ownership20 May 2020
  • Form 4Statement of changes in beneficial ownership8 May 2020
  • Form 4Statement of changes in beneficial ownership21 Apr 2020
  • Form 4Statement of changes in beneficial ownership3 Mar 2020
  • Form 4Statement of changes in beneficial ownership16 Oct 2019
  • Form 4Statement of changes in beneficial ownership17 Sep 2019

Kassberg Thomas Richard(50)

  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership12 Mar 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership24 Oct 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership15 Mar 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 5Annual statement of beneficial ownership1 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership1 Oct 2021

Parschauer Karah Herdman(49)

  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership10 Mar
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership12 Sep 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership3 Mar 2025
  • Form 4Statement of changes in beneficial ownership12 Jun 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024

Pinion John Richard(35)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership19 May 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021

Huang Dennis Karl(32)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership16 Oct 2020

Aliski William(26)

  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership23 Feb 2021
  • Form 5Annual statement of beneficial ownership3 Feb 2021
  • Form 4Statement of changes in beneficial ownership25 Aug 2020
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership3 Jun 2020
  • Form 4Statement of changes in beneficial ownership20 May 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership7 Dec 2018
  • Form 4Statement of changes in beneficial ownership8 Nov 2018

Harris Erik(26)

  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership6 Sep 2023
  • Form 4Statement of changes in beneficial ownership21 Jun 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership22 Jun 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021

Fust Matthew K(23)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership11 Mar 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership8 Mar 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership8 Jul 2020
  • Form 4Statement of changes in beneficial ownership6 Jul 2020

AGARWAL SUNIL(22)

  • Form 4PRIMARY DOCUMENT23 Aug 2016
  • Form 4PRIMARY DOCUMENT21 Jul 2016
  • Form 4PRIMARY DOCUMENT21 Jun 2016
  • Form 4PRIMARY DOCUMENT3 Jun 2016
  • Form 4PRIMARY DOCUMENT26 May 2016
  • Form 4PRIMARY DOCUMENT23 May 2016
  • Form 4PRIMARY DOCUMENT21 Apr 2016
  • Form 4PRIMARY DOCUMENT24 Mar 2016
  • Form 4PRIMARY DOCUMENT22 Mar 2016
  • Form 4PRIMARY DOCUMENT23 Feb 2016

Bedrosian Camille L(20)

  • Form 4Statement of changes in beneficial ownership3 Mar 2023
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership1 Feb 2022
  • Form 4Statement of changes in beneficial ownership18 Oct 2021
  • Form 4Statement of changes in beneficial ownership2 Sep 2021
  • Form 4Statement of changes in beneficial ownership10 May 2021
  • Form 4Statement of changes in beneficial ownership19 Apr 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership2 Feb 2021
  • Form 4Statement of changes in beneficial ownership19 Jan 2021

Horn Howard(18)

  • Form 4Statement of changes in beneficial ownership19 Oct
  • Form 4Statement of changes in beneficial ownership4 Aug
  • Form 4Statement of changes in beneficial ownership6 Jul
  • Form 4Statement of changes in beneficial ownership1 Jun
  • Form 4Statement of changes in beneficial ownership4 May
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership2 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership3 Feb
  • Form 4Statement of changes in beneficial ownership5 Jan

WELCH DANIEL G(14)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

NARACHI MICHAEL(14)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

Dunsire Deborah(12)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017

Sanders Corazon (Corsee) D.(12)

  • Form 4Statement of changes in beneficial ownership15 Jun
  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership23 Jun 2025
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership3 Jul 2024
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership10 Jun 2024
  • Form 4Statement of changes in beneficial ownership30 Jun 2023
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership29 Jun 2022

Dallas Jayson Donald Alexander(11)

  • Form 4Statement of changes in beneficial ownership4 Jun 2018
  • Form 4Statement of changes in beneficial ownership19 Apr 2018
  • Form 4Statement of changes in beneficial ownership5 Mar 2018
  • Form 4Statement of changes in beneficial ownership7 Aug 2017
  • Form 4Statement of changes in beneficial ownership1 Jun 2017
  • Form 4Statement of changes in beneficial ownership1 Mar 2017
  • Form 4PRIMARY DOCUMENT8 Aug 2016
  • Form 4PRIMARY DOCUMENT7 Jun 2016
  • Form 4PRIMARY DOCUMENT3 Jun 2016
  • Form 4Statement of changes in beneficial ownership6 Aug 2015

Crombez Eric(11)

  • Form 4Statement of changes in beneficial ownership6 May
  • Form 4Statement of changes in beneficial ownership20 Apr
  • Form 4Statement of changes in beneficial ownership3 Mar
  • Form 4Statement of changes in beneficial ownership5 May 2025
  • Form 4Statement of changes in beneficial ownership4 Mar 2025
  • Form 4Statement of changes in beneficial ownership3 May 2024
  • Form 4Statement of changes in beneficial ownership19 Apr 2024
  • Form 4Statement of changes in beneficial ownership5 Mar 2024
  • Form 4Statement of changes in beneficial ownership29 Sep 2023
  • Form 3Initial statement of beneficial ownership2 May 2023

SIEGALL CLAY B(10)

  • Form 4Statement of changes in beneficial ownership11 Aug 2020
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017
  • Form 4PRIMARY DOCUMENT14 Jun 2016
  • Form 4PRIMARY DOCUMENT22 Jun 2015
  • Form 4Statement of changes in beneficial ownership17 Jul 2014
  • Form 3Initial statement of beneficial ownership30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

SULIMAN SHEHNAAZ(10)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership1 Feb 2019
  • Form 3Initial statement of beneficial ownership1 Feb 2019

Ekman Lars(9)

  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership28 Jun 2021
  • Form 4Statement of changes in beneficial ownership30 Jun 2020
  • Form 4Statement of changes in beneficial ownership13 Jun 2019
  • Form 4Statement of changes in beneficial ownership20 Jun 2018
  • Form 4Statement of changes in beneficial ownership22 Jun 2017
  • Form 4PRIMARY DOCUMENT14 Jun 2016
  • Form 4PRIMARY DOCUMENT21 Mar 2016
  • Form 3PRIMARY DOCUMENT21 Mar 2016

Dier Mardi(8)

  • Form 4Statement of changes in beneficial ownership17 Oct 2022
  • Form 4Statement of changes in beneficial ownership14 Oct 2022
  • Form 4Statement of changes in beneficial ownership19 Sep 2022
  • Form 4Statement of changes in beneficial ownership3 Mar 2022
  • Form 4Statement of changes in beneficial ownership14 Oct 2021
  • Form 4Statement of changes in beneficial ownership3 Mar 2021
  • Form 4Statement of changes in beneficial ownership13 Oct 2020
  • Form 3Initial statement of beneficial ownership13 Oct 2020

Ray Amrit(7)

  • Form 4Statement of changes in beneficial ownership18 May
  • Form 4Statement of changes in beneficial ownership19 May 2025
  • Form 4Statement of changes in beneficial ownership20 Jun 2024
  • Form 4Statement of changes in beneficial ownership9 Jun 2023
  • Form 4Statement of changes in beneficial ownership28 Jun 2022
  • Form 4Statement of changes in beneficial ownership22 Apr 2022
  • Form 3Initial statement of beneficial ownership22 Apr 2022

Ultragenyx Pharmaceutical Inc.(5)

  • Form 4Statement of changes in beneficial ownership12 Aug 2021
  • Form 4Statement of changes in beneficial ownership10 Dec 2020
  • Form 3Initial statement of beneficial ownership30 Oct 2020
  • Form 4Statement of changes in beneficial ownership22 May 2020
  • Form 3Initial statement of beneficial ownership25 Jun 2019

Hogenhuis Wladimir(4)

  • Form 4Statement of changes in beneficial ownership7 Oct 2019
  • Form 4Statement of changes in beneficial ownership4 Mar 2019
  • Form 4Statement of changes in beneficial ownership9 Oct 2018
  • Form 3Initial statement of beneficial ownership5 Oct 2018

FMR LLC(3)

  • Form 4PRIMARY DOCUMENT5 Aug 2014
  • Form 4PRIMARY DOCUMENT5 Feb 2014
  • Form 3PRIMARY DOCUMENT5 Feb 2014

BONDERMAN DAVID(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

COULTER JAMES G(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

TPG Group Holdings (SBS) Advisors, Inc.(3)

  • Form 4OWNERSHIP DOCUMENT14 Jul 2014
  • Form 4OWNERSHIP DOCUMENT7 Feb 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014

Nadav Eran(3)

  • Form 4Statement of changes in beneficial ownership17 Jul 2014
  • Form 3OWNERSHIP DOCUMENT30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

Steen Marten(2)

  • Form 3Initial statement of beneficial ownership30 Jan 2014
  • Form 4Statement of changes in beneficial ownership3 Feb 2014

≥5% Ownership

BlackRock Inc.(12)

  • SC 13G/AUltragenyx Pharmaceutical Inc.29 Jan 2024
  • SC 13GUltragenyx Pharmaceutical Inc.3 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Mar 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.3 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.1 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.6 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.6 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.23 Jan 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.27 Jan 2017
  • SC 13GUltragenyx Pharmaceutical Inc.28 Jan 2016

VANGUARD GROUP INC(11)

  • SC 13G/AUltragenyx Pharmaceutical Inc.27 Mar
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Sep 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2017

FMR LLC(11)

  • SC 13G/AUltragenyx Pharmaceutical Inc.5 Feb
  • SC 13GUltragenyx Pharmaceutical Inc.5 Nov 2025
  • SC 13G/AUltragenyx Pharmaceutical Inc.7 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Jul 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2016
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Sep 2014

WELLINGTON MANAGEMENT GROUP LLP(10)

  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Feb 2025
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Feb 2024
  • SC 13GUltragenyx Pharmaceutical Inc.6 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Jan 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Oct 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Mar 2016
  • SC 13GUltragenyx Pharmaceutical Inc.11 Feb 2016

Capital Research Global Investors(9)

  • SC 13G/AUltragenyx Pharmaceutical Inc.8 Oct 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2019
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2018
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2017
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2016
  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13GUltragenyx Pharmaceutical Inc.10 Sep 2014

PRICE T ROWE ASSOCIATES INC /MD/(8)

  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Aug 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 May 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2019

Ultragenyx Pharmaceutical Inc.(6)

  • SC 13D/AArcturus Therapeutics Holdings Inc.26 Oct 2021
  • SC 13D/AArcturus Therapeutics Holdings Inc.12 Aug 2021
  • SC 13D/AArcturus Therapeutics Holdings Inc.10 Dec 2020
  • SC 13DSolid Biosciences Inc.6 Nov 2020
  • SC 13D/AArcturus Therapeutics Holdings Inc.22 May 2020
  • SC 13DArcturus Therapeutics Holdings Inc.26 Jun 2019

Capital International Investors(6)

  • SC 13G/AUltragenyx Pharmaceutical Inc.9 Dec 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.11 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2020
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2019
  • SC 13GUltragenyx Pharmaceutical Inc.10 Jan 2018

FEDERATED HERMES, INC.(4)

  • SC 13G/AUltragenyx Pharmaceutical Inc.10 Jan 2023
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2022
  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2021
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2020

RTW INVESTMENTS, LP(4)

  • SC 13GUltragenyx Pharmaceutical Inc.14 Aug
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Nov 2024
  • SC 13G/AUltragenyx Pharmaceutical Inc.14 Feb 2024
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2023

STATE STREET CORP(3)

  • SC 13GUltragenyx Pharmaceutical Inc.10 Nov
  • SC 13GUltragenyx Pharmaceutical Inc.7 Aug
  • SC 13GUltragenyx Pharmaceutical Inc.12 May

VANGUARD PORTFOLIO MANAGEMENT LLC(3)

  • SC 13G/AUltragenyx Pharmaceutical Inc.30 Oct
  • SC 13G/AUltragenyx Pharmaceutical Inc.31 Jul
  • SC 13GUltragenyx Pharmaceutical Inc.29 Apr

NEW PERSPECTIVE FUND(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.15 Feb 2019
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2018

FIL Ltd(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Feb 2015
  • SC 13GUltragenyx Pharmaceutical Inc.11 Aug 2014

SMALLCAP WORLD FUND INC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2016
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2015

SANDS CAPITAL MANAGEMENT, LLC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.12 Feb 2025
  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2024

AQR CAPITAL MANAGEMENT LLC(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.13 Nov
  • SC 13GUltragenyx Pharmaceutical Inc.13 Aug

Capital World Investors(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.16 Feb 2021
  • SC 13GUltragenyx Pharmaceutical Inc.14 Feb 2020

BlackRock, Inc.(2)

  • SC 13G/AUltragenyx Pharmaceutical Inc.30 Jul
  • SC 13G/AUltragenyx Pharmaceutical Inc.24 Apr 2025

TPG Group Holdings (SBS) Advisors, Inc.(1)

  • SC 13GUltragenyx Pharmaceutical Inc.13 Feb 2015

Madison Avenue Partners, LP(1)

  • SC 13GUltragenyx Pharmaceutical Inc.20 Oct

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GUltragenyx Pharmaceutical Inc.31 Jul