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RARE Insider Trading

Insider Ownership Percentage: 5.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $6,612,459.38

Ultragenyx Pharmaceutical Insider Trading History Chart

This chart shows the insider buying and selling history at Ultragenyx Pharmaceutical by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Ultragenyx Pharmaceutical Share Price & Price History

Current Price: $36.54
Price Change: ▲ Price Increase of +0.09 (0.25%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for RARE up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Ultragenyx Pharmaceutical Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/13/2025Howard HornCFOSell7,942$31.51$250,252.4298,227View SEC Filing Icon  
9/18/2025Theodore Alan HuizengaCAOSell64$29.17$1,866.8850,242View SEC Filing Icon  
9/12/2025Karah Herdman ParschauerEVPSell2,450$31.17$76,366.5073,271View SEC Filing Icon  
6/20/2025Corsee D. SandersDirectorSell2,405$37.39$89,922.9515,344View SEC Filing Icon  
5/5/2025Eric CrombezEVPSell520$39.24$20,404.8071,530View SEC Filing Icon  
4/21/2025Eric CrombezEVPSell242$35.11$8,496.6271,680View SEC Filing Icon  
3/6/2025Howard HornCFOSell1,785$40.40$72,114.00106,169View SEC Filing Icon  
3/3/2025Emil D KakkisCEOSell73,434$42.10$3,091,571.40641,731View SEC Filing Icon  
3/3/2025John Richard PinionInsiderSell14,439$42.10$607,881.90107,766View SEC Filing Icon  
3/3/2025Theodore Alan HuizengaCAOSell967$42.10$40,710.7050,265View SEC Filing Icon  
3/3/2025Thomas Richard KassbergEVPSell6,028$42.10$253,778.80265,238View SEC Filing Icon  
2/28/2025Emil D KakkisCEOSell25,000$42.48$1,062,000.002,158,985View SEC Filing Icon  
2/27/2025Karah Herdman ParschauerEVPSell2,990$42.88$128,211.2054,991View SEC Filing Icon  
12/30/2024Emil D KakkisCEOSell11,727$42.23$495,231.212,183,985View SEC Filing Icon  
12/10/2024Emil D KakkisCEOSell8,273$50.00$413,650.002,195,712View SEC Filing Icon  
10/10/2024Howard HornCFOSell7,465$52.76$393,853.4092,301View SEC Filing Icon  
9/3/2024Emil D KakkisCEOSell20,000$55.85$1,117,000.002,223,985View SEC Filing Icon  
9/3/2024Theodore Alan HuizengaCAOSell91$56.19$5,113.2941,551View SEC Filing Icon  
8/6/2024Emil D KakkisCEOSell20,000$50.17$1,003,400.002,243,985View SEC Filing Icon  
7/2/2024Corsee D. SandersDirectorSell584$40.98$23,932.3212,009View SEC Filing Icon  
6/12/2024Karah Herdman ParschauerEVPSell9,806$45.00$441,270.0057,981View SEC Filing Icon  
6/10/2024Corsee D. SandersDirectorSell1,737$41.10$71,390.707,248View SEC Filing Icon  
4/18/2024Eric CrombezEVPSell142$44.10$6,262.2048,785View SEC Filing Icon  
3/11/2024Thomas Richard KassbergEVPSell11,509$49.93$574,644.37252,823View SEC Filing Icon  
3/7/2024Matthew K. FustDirectorSell12,195$50.88$620,481.6014,860View SEC Filing Icon  
3/1/2024John Richard PinionInsiderSell4,173$53.76$224,340.4889,268View SEC Filing Icon  
3/1/2024Karah Herdman ParschauerEVPSell3,756$53.76$201,922.5667,340View SEC Filing Icon  
3/1/2024Theodore Alan HuizengaCAOSell341$53.76$18,332.1641,380View SEC Filing Icon  
10/23/2023Thomas Richard KassbergEVPSell39,878$32.78$1,307,200.84246,860View SEC Filing Icon  
10/19/2023Emil D KakkisCEOSell47,853$33.52$1,604,032.56599,743View SEC Filing Icon  
9/7/2023Theodore Alan HuizengaCAOSell2,163$40.80$88,250.4023,614View SEC Filing Icon  
9/5/2023Erik HarrisEVPSell6,000$37.96$227,760.0051,281View SEC Filing Icon  
9/1/2023Theodore Alan HuizengaCAOSell970$37.15$36,035.5023,777View SEC Filing Icon  
6/30/2023Corsee D. SandersDirectorSell585$46.76$27,354.608,985View SEC Filing Icon  
6/19/2023Erik HarrisEVPSell305$48.20$14,701.0057,281View SEC Filing Icon  
6/8/2023Corsee D. SandersDirectorSell1,485$51.65$76,700.259,570View SEC Filing Icon  
5/18/2023John Richard PinionInsiderSell2,012$50.00$100,600.0074,744View SEC Filing Icon  
5/4/2023Karah Herdman ParschauerEVPSell4,378$45.00$197,010.0051,982View SEC Filing Icon  
3/1/2023Camille L. BedrosianEVPSell3,881$45.25$175,615.2546,720View SEC Filing Icon  
3/1/2023Dennis Karl HuangInsiderSell389$45.65$17,757.8575,314View SEC Filing Icon  
2/28/2023Theodore Alan HuizengaCAOSell639$43.40$27,732.6015,558View SEC Filing Icon  
12/21/2022Theodore Alan HuizengaCAOSell2,031$43.96$89,282.7616,197View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Ultragenyx Pharmaceutical (NASDAQ:RARE)

97.67% of Ultragenyx Pharmaceutical stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at RARE by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Ultragenyx Pharmaceutical Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/19/2025Danske Bank A S1,300$39K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.2,167,729$65.21M0.3%+614.1%2.247%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co26,932$0.82M0.0%+2.0%0.028%Search for SEC Filing on Google Icon
11/17/2025Alyeska Investment Group L.P.531,996$16M0.0%-62.8%0.551%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC482,582$14.52M0.0%N/A0.500%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC23,520$0.71M0.0%-54.3%0.024%Search for SEC Filing on Google Icon
11/17/2025Vestal Point Capital LP750,000$22.56M1.0%N/A0.777%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC31,305$0.94M0.3%+411.6%0.032%Search for SEC Filing on Google Icon
11/17/2025Polar Capital Holdings Plc583,710$17.56M0.1%+5.9%0.605%Search for SEC Filing on Google Icon
11/17/2025Palo Alto Investors LP369,531$11.12M2.1%+658.0%0.383%Search for SEC Filing on Google Icon
11/17/2025Parkman Healthcare Partners LLC68,636$2.07M0.2%-53.6%0.071%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV11,929$0.36M0.0%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC99,213$2.98M0.0%-79.8%0.103%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.62,603$1.89M0.0%+3.9%0.065%Search for SEC Filing on Google Icon
11/17/2025Moore Capital Management LP270,000$8.12M0.1%+200.0%0.280%Search for SEC Filing on Google Icon
11/17/2025Farallon Capital Management LLC7,000$0.21M0.0%-99.2%0.007%Search for SEC Filing on Google Icon
11/17/2025Fred Alger Management LLC448,717$13.50M0.1%+4.3%0.465%Search for SEC Filing on Google Icon
11/17/2025First Light Asset Management LLC285,699$8.59M0.8%-47.9%0.296%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP67,035$2.02M0.0%+721.4%0.069%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE655,021$19.70M0.0%-2.6%0.679%Search for SEC Filing on Google Icon
11/17/2025Braidwell LP588,700$17.71M0.5%N/A0.610%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC191,458$5.76M0.1%+79.1%0.198%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC321,633$9.68M0.2%+176.4%0.333%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.26,708$0.80M0.0%-97.9%0.028%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.138,684$4.17M0.0%+27.0%0.144%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC1,144,589$34.43M0.2%+101.8%1.186%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.24,557$0.74M0.0%-19.3%0.025%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC12,861$0.39M0.0%+8.8%0.013%Search for SEC Filing on Google Icon
11/14/2025Freestone Grove Partners LP18,639$0.56M0.0%N/A0.019%Search for SEC Filing on Google Icon
11/14/2025Man Group plc7,152$0.22M0.0%-96.1%0.007%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System80,890$2.43M0.0%+4.8%0.084%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC9,000$0.27M0.0%N/A0.009%Search for SEC Filing on Google Icon
11/14/2025Fiduciary Trust Co13,116$0.40M0.0%+88.0%0.014%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC207,042$6.23M0.0%-31.2%0.215%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP326,180$9.81M0.0%-43.5%0.338%Search for SEC Filing on Google Icon
11/14/2025Concentric Capital Strategies LP19,736$0.59M0.0%N/A0.020%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC133,772$4.02M0.0%+516.9%0.139%Search for SEC Filing on Google Icon
11/14/2025B Group Inc.135,000$4.06M3.1%-24.0%0.140%Search for SEC Filing on Google Icon
11/14/2025Suvretta Capital Management LLC2,019,000$60.73M1.6%-11.4%2.093%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP1,945,129$58.51M0.0%+3.9%2.016%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank83,711$2.52M0.0%+68.6%0.087%Search for SEC Filing on Google Icon
11/14/2025F m Investments LLC61,753$1.86M0.1%+4.5%0.064%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP20,064$0.60M0.0%+77.0%0.021%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.794,849$23.91M0.0%+9.8%0.824%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.190,462$5.73M0.0%+111.2%0.197%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG547,025$16.46M0.0%+24.2%0.567%Search for SEC Filing on Google Icon
11/13/2025Capital Fund Management S.A.177,061$5.33M0.0%+92.5%0.184%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets573,019$17.24M0.0%+153.7%0.594%Search for SEC Filing on Google Icon
11/13/2025Sands Capital Management LLC3,769,853$113.40M0.3%-4.4%3.907%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.677,184$20.37M0.0%+42.5%0.702%Search for SEC Filing on Google Icon
11/13/2025Silvant Capital Management LLC18,607$0.56M0.0%N/A0.019%Search for SEC Filing on Google Icon
11/13/2025Van ECK Associates Corp2,650$80K0.0%+26.1%0.003%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc402,815$12.12M0.0%+28.4%0.418%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank164,952$4.96M0.0%+2.4%0.171%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.840,451$25.28M0.0%+599.2%0.871%Search for SEC Filing on Google Icon
11/13/2025Schroder Investment Management Group150,571$4.57M0.0%-55.2%0.156%Search for SEC Filing on Google Icon
11/13/2025Pinnacle Associates Ltd.114,845$3.46M0.0%+0.5%0.119%Search for SEC Filing on Google Icon
11/13/2025Natixis Advisors LLC19,579$0.59M0.0%-58.2%0.020%Search for SEC Filing on Google Icon
11/13/2025Rhenman & Partners Asset Management AB119,400$3.59M0.4%+28.2%0.124%Search for SEC Filing on Google Icon
11/13/2025Blue Owl Capital Holdings LP422,438$12.71M3.9%+65.5%0.438%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP36,334$1.09M0.0%+159.7%0.038%Search for SEC Filing on Google Icon
11/12/2025GW&K Investment Management LLC1,150,169$34.60M0.3%+139.0%1.192%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.298,891$8.99M0.0%-28.1%0.310%Search for SEC Filing on Google Icon
11/12/2025Fisher Asset Management LLC168,084$5.06M0.0%-9.5%0.174%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC156,484$4.71M0.0%+93.0%0.162%Search for SEC Filing on Google Icon
11/12/2025Huntington National Bank1,092$33K0.0%+56.2%0.001%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP6,251$0.19M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/12/2025Erste Asset Management GmbH15,010$0.46M0.0%-13.8%0.016%Search for SEC Filing on Google Icon
11/12/2025Xponance Inc.13,494$0.41M0.0%+3.1%0.014%Search for SEC Filing on Google Icon
11/12/2025DNB Asset Management AS17,479$0.53M0.0%+18.7%0.018%Search for SEC Filing on Google Icon
11/12/2025Thornburg Investment Management Inc.69,248$2.08M0.0%N/A0.072%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE1,295$39K0.0%-54.2%0.001%Search for SEC Filing on Google Icon
11/12/2025Fox Run Management L.L.C.23,759$0.72M0.1%+42.4%0.025%Search for SEC Filing on Google Icon
11/10/2025TD Asset Management Inc96,998$2.92M0.0%-21.7%0.101%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.16,893$0.51M0.0%-11.0%0.018%Search for SEC Filing on Google Icon
11/7/2025Eagle Health Investments LP697,000$20.97M5.5%+11.1%0.723%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP22,723$0.68M0.1%N/A0.024%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.10,132,728$304.79M0.0%-0.8%10.514%Search for SEC Filing on Google Icon
11/7/2025State of New Jersey Common Pension Fund D72,055$2.17M0.0%+35.9%0.075%Search for SEC Filing on Google Icon
11/7/2025PNC Financial Services Group Inc.7,296$0.22M0.0%+202.0%0.008%Search for SEC Filing on Google Icon
11/7/2025Aberdeen Group plc973,656$29.29M0.0%+94.3%1.010%Search for SEC Filing on Google Icon
11/6/2025Assetmark Inc.1,084$33K0.0%+1,706.7%0.001%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers105,731$3.18M0.0%+2.0%0.110%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC32,264$0.97M0.0%+99.6%0.033%Search for SEC Filing on Google Icon
11/6/2025Oppenheimer Asset Management Inc.8,142$0.25M0.0%+25.0%0.008%Search for SEC Filing on Google Icon
11/6/2025Candriam S.C.A.754,714$22.70M0.1%+43.4%0.783%Search for SEC Filing on Google Icon
11/5/2025Smartleaf Asset Management LLC1,738$53K0.0%+205.4%0.002%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.25,033$0.75M0.0%-16.4%0.026%Search for SEC Filing on Google Icon
11/4/2025WCM Investment Management LLC288,109$8.75M0.0%+36.9%0.299%Search for SEC Filing on Google Icon
11/4/2025Privium Fund Management B.V.289,804$8.72M1.6%+14.4%0.301%Search for SEC Filing on Google Icon
11/3/2025Arizona State Retirement System25,176$0.76M0.0%+2.2%0.026%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund35,346$1.06M0.0%-9.2%0.037%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.496,060$14.92M0.0%-75.8%0.515%Search for SEC Filing on Google Icon
11/3/2025EFG Asset Management North America Corp.127,985$3.85M0.5%-5.8%0.133%Search for SEC Filing on Google Icon
10/31/2025Pier 88 Investment Partners LLC14,170$0.43M0.1%-3.8%0.015%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd67,834$2.04M0.0%+31.1%0.070%Search for SEC Filing on Google Icon
10/30/2025Teacher Retirement System of Texas20,848$0.63M0.0%-8.5%0.022%Search for SEC Filing on Google Icon
10/30/2025Emerald Mutual Fund Advisers Trust242,802$7.30M0.4%-17.8%0.252%Search for SEC Filing on Google Icon
10/30/2025Covestor Ltd1,787$54K0.0%+26.0%0.002%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH91,394$2.75M0.0%+1.3%0.095%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Ultragenyx Pharmaceutical logo
Ultragenyx Pharmaceutical Inc., a biopharmaceutical company, focuses on the identification, acquisition, development, and commercialization of novel products for the treatment of rare and ultra-rare genetic diseases in North America, Latin America, Japan, Europe, and internationally. Its biologic products include Crysvita (burosumab), an antibody targeting fibroblast growth factor 23 for the treatment of X-linked hypophosphatemia, as well as tumor-induced osteomalacia; Mepsevii, an enzyme replacement therapy for the treatment of children and adults with Mucopolysaccharidosis VII; Dojolvi for treating long-chain fatty acid oxidation disorders; and Evkeeza (evinacumab) for the treatment of homozygous familial hypercholesterolemia. The company's products candidatures include DTX401, an adeno-associated virus 8 (AAV8) gene therapy clinical candidate for the treatment of patients with glycogen storage disease type Ia; DTX301, an AAV8 gene therapy for the treatment of patients with ornithine transcarbamylase; UX143, a human monoclonal antibody for the treatment of osteogenesis imperfecta; GTX-102, an antisense oligonucleotide for the treatment of Angelman syndrome; UX111, an AAV9 gene therapy product candidate for the treatment of patients with Sanfilippo syndrome type A, or MPS IIIA, a rare lysosomal storage disease; UX701, for the treatment of Wilson disease; and UX053 for the treatment of glycogen storage disease type III. Ultragenyx Pharmaceutical Inc. has collaboration and license agreement with Kyowa Kirin Co., Ltd.; Saint Louis University; Baylor Research Institute; REGENXBIO Inc.; Bayer Healthcare LLC; GeneTx; Mereo; University of Pennsylvania; Arcturus Therapeutics Holdings Inc.; Solid Biosciences Inc.; Regeneron; Abeona; and Daiichi Sankyo Co., Ltd. The company was incorporated in 2010 and is headquartered in Novato, California.
Read More on Ultragenyx Pharmaceutical

Today's Range

Now: $36.54
Low: $36.08
High: $37.25

50 Day Range

MA: $32.74
Low: $29.08
High: $36.54

52 Week Range

Now: $36.54
Low: $25.81
High: $50.00

Volume

1,242,938 shs

Average Volume

1,224,152 shs

Market Capitalization

$3.53 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.16

Who are the company insiders with the largest holdings of Ultragenyx Pharmaceutical?

Ultragenyx Pharmaceutical's top insider shareholders include:
  1. Emil D Kakkis (CEO)
  2. Thomas Richard Kassberg (EVP)
  3. John Richard Pinion (Insider)
  4. Howard Horn (CFO)
  5. Karah Herdman Parschauer (EVP)
  6. Eric Crombez (EVP)
  7. Theodore Alan Huizenga (CAO)
  8. Corazon (Corsee) D Sanders (Director)
  9. Matthew K Fust (Director)
Learn More about top insider investors at Ultragenyx Pharmaceutical.

Who are the major institutional investors of Ultragenyx Pharmaceutical?

Ultragenyx Pharmaceutical's top institutional investors include:
  1. Vanguard Group Inc. — 10.51%
  2. Sands Capital Management LLC — 3.91%
  3. Jacobs Levy Equity Management Inc. — 2.25%
  4. Suvretta Capital Management LLC — 2.09%
  5. Wellington Management Group LLP — 2.02%
  6. GW&K Investment Management LLC — 1.19%
Learn More about top institutional investors of Ultragenyx Pharmaceutical stock.

Which major investors are selling Ultragenyx Pharmaceutical stock?

During the last quarter, RARE stock was sold by these institutional investors:
  1. Federated Hermes Inc.
  2. Alliancebernstein L.P.
  3. Assenagon Asset Management S.A.
  4. Alyeska Investment Group L.P.
  5. Farallon Capital Management LLC
  6. Millennium Management LLC
  7. Caption Management LLC
  8. First Light Asset Management LLC
During the previous year, company insiders that have sold Ultragenyx Pharmaceutical company stock include:
  1. Emil D Kakkis (CEO)
  2. Thomas Richard Kassberg (EVP)
  3. John Richard Pinion (Insider)
  4. Howard Horn (CFO)
  5. Karah Herdman Parschauer (EVP)
  6. Eric Crombez (EVP)
  7. Theodore Alan Huizenga (CAO)
  8. Corazon (Corsee) D Sanders (Director)
Learn More investors selling Ultragenyx Pharmaceutical stock.

Which major investors are buying Ultragenyx Pharmaceutical stock?

During the last quarter, RARE stock was purchased by institutional investors including:
  1. Jacobs Levy Equity Management Inc.
  2. Vestal Point Capital LP
  3. Russell Investments Group Ltd.
  4. GW&K Investment Management LLC
  5. Braidwell LP
  6. Schonfeld Strategic Advisors LLC
  7. Voloridge Investment Management LLC
  8. Aberdeen Group plc