Institutional shares held 88.9 Million
1.08M calls
1.04M puts
Total value of holdings $3.68B
$44.7M calls
$42.9M puts
Market Cap $2.9B
70,036,896 Shares Out.
Institutional ownership 126.89%
# of Institutions 337


Latest Institutional Activity in RARE

Top Purchases

Q2 2025
Assenagon Asset Management S.A. Shares Held: 1.16M ($48.2M)
Q2 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 8.85K ($367K)
Q2 2025
Parallel Advisors, LLC Shares Held: 732 ($30.3K)
Q2 2025
Versant Capital Management, Inc Shares Held: 304 ($12.6K)
Q2 2025
Wedge Capital Management L L P Shares Held: 35.8K ($1.48M)

Top Sells

Q2 2025
Woodstock Corp Shares Held: 13.3K ($551K)
Q1 2025
Vestal Point Capital, LP Shares Held: 500K ($20.7M)
Q1 2025
Marshall Wace, LLP Shares Held: 334K ($13.8M)
Q1 2025
First Trust Advisors LP Shares Held: 16.5K ($684K)
Q1 2025
Invesco Ltd. Shares Held: 1.21M ($50.3M)

About RARE

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, 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; 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.; and Daiichi Sankyo Co., Ltd. Ultragenyx Pharmaceutical Inc. was incorporated in 2010 and is headquartered in Novato, California.


Insider Transactions at RARE

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
401K Shares
From 16 Insiders
Grant, award, or other acquisition 401K shares
Sell / Disposition
255K Shares
From 15 Insiders
Payment of exercise price or tax liability 2.03K shares
Bona fide gift 20.6K shares
Open market or private sale 232K shares

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