Institutional shares held 101 Million
2.02M calls
2.23M puts
Total value of holdings $3.83B
$76.3M calls
$84.3M puts
Market Cap $1.95B
51,640,600 Shares Out.
Institutional ownership 196.28%
# of Institutions 278


Latest Institutional Activity in SRRK

Top Purchases

Q4 2025
Sg Americas Securities, LLC Shares Held: 84.3K ($3.19M)
Q4 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 5.76K ($218K)
Q4 2025
Harbor Investment Advisory, LLC Shares Held: 300 ($11.3K)
Q4 2025
Gamma Investing LLC Shares Held: 1.01K ($38K)
Q4 2025
True Wealth Design, LLC Shares Held: 130 ($4.92K)

Top Sells

Q4 2025
Versant Capital Management, Inc Shares Held: 128 ($4.84K)
Q3 2025
Price T Rowe Associates Inc Shares Held: 6.88M ($260M)
Q3 2025
Citadel Advisors LLC Shares Held: 135K ($5.09M)
Q3 2025
Polar Capital Holdings PLC Shares Held: 794K ($30M)
Q3 2025
Marshall Wace, LLP Shares Held: 974K ($36.8M)

About SRRK

Scholar Rock Holding Corporation, a biopharmaceutical company, focuses on the discovery and development of medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company develops Apitegromab, an inhibitor of the activation of latent myostatin that has completed the Phase 3 clinical trials for the treatment of spinal muscular atrophy; and SRK-181, which is in Phase 1 clinical trials for the treatment of cancers that are resistant to checkpoint inhibitor therapies, such as anti-PD-1 or anti-PD-L1 antibody therapies. It is also developing a pipeline of novel product candidates with potential to transform the lives of patients suffering from a range of serious diseases, including neuromuscular disorders, cancer, and fibrosis. The company has a collaboration agreement with Gilead Sciences, Inc. to discover and develop specific inhibitors of transforming growth factor beta activation for the treatment of fibrotic diseases. Scholar Rock Holding Corporation was founded in 2012 and is headquartered in Cambridge, Massachusetts.


Insider Transactions at SRRK

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
5.56M Shares
From 24 Insiders
Grant, award, or other acquisition 3.63M shares
Open market or private purchase 530K shares
Exercise of in-the-money or at-the-money derivatives securities 1.06M shares
Exercise of conversion of derivative security 342K shares
Sell / Disposition
818K Shares
From 16 Insiders
Open market or private sale 613K shares
Bona fide gift 205K shares

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