Shoulder InnovationsSI

13F holders, Q4 2025 (December 31)
50holders +8
13new positions
5sold out
3famous investors
$14.30avg. 13F price*

At the end of Q4 2025, 50 institutions reported holding Shoulder Innovations Inc. (SI) in their 13F filings, up 8 from Q3 2025. 13 opened new positions and 5 sold out. The largest holders were FMR LLC ($55.0M), Sectoral Asset Management Inc. ($7.0M) and BlackRock, Inc. ($4.5M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Shoulder Innovations Inc.
CUSIP
82537J108
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q3 2025: 42Q3 2025Q4 2025: 50Q4 2025Q1 2026: 58Q1 2026Q2 2026: 71Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions13$4.7M
Exits5$8.5M

All 13F filers, Q3 2025 → Q4 2025: 601,289 shares bought and 1,288,482 shares sold, net −687,193 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 50 holders

FMR LLC 0.00% No change 3,848,795 $55.0M
Sectoral Asset Management Inc. 5.64% Add +14.4% 492,435 $7.0M
BlackRock, Inc. 0.00% Add +12.3% 311,353 $4.5M
TimesSquare Capital Management, LLC 0.06% Reduce -24.2% 289,850 $4.1M
Alyeska Investment Group, L.P. 0.01% Reduce -48.4% 232,984 $3.3M
Sio Capital Management, LLC 0.54% Reduce -34.9% 227,971 $3.3M
Vanguard Group Inc. 0.00% Add +50.7% 220,430 $3.2M
Roubaix Capital, LLC 0.97% New 158,816 $2.3M
Morgan Stanley 0.00% Add +31.3% 150,794 $2.2M
Geode Capital Management, LLC 0.00% Add +17.3% 110,303 $1.6M
Walleye Capital LLC 0.01% Add +30.1% 93,434 $1.3M
Millennium Management 0.00% New 92,003 $1.3M
Federated Hermes, Inc. 0.00% Reduce -56.1% 87,726 $1.3M
State Street Corp. 0.00% Add +50.6% 58,422 $835K
Readystate Asset Management LP 0.04% Reduce -3.2% 39,431 $564K
Northern Trust Corp. 0.00% Reduce -6.4% 35,693 $510K
CM Management, LLC 0.30% New 25,000 $358K
Gsa Capital Partners LLP 0.03% New 22,750 $325K
Citadel Advisors 0.00% Reduce -62.4% 18,780 $269K
Bank of America Corp. 0.00% Reduce -26.9% 18,778 $269K
Jane Street Group, LLC 0.00% New 16,367 $234K
Board of Trustees of The Leland Stanford Junior University 0.04% No change 13,521 $193K
Renaissance Technologies 0.00% New 12,300 $176K
Charles Schwab Investment Management Inc. 0.00% No change 11,779 $168K
Barclays PLC 0.00% Add +10.7% 7,457 $107K
Citigroup Inc. 0.00% Add +3478.8% 5,583 $80K
Wells Fargo & Company 0.00% Add +66.3% 5,250 $75K
Deutsche Bank AG 0.00% Reduce -46.6% 4,133 $59K
Rhumbline Advisers 0.00% Reduce -26.9% 3,131 $45K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.0% 2,301 $33K
JPMorgan Chase & Co. 0.00% Reduce -0.1% 1,916 $27K
New York State Common Retirement Fund 0.00% No change 1,800 $26K
UBS Group AG 0.00% Reduce -90.8% 1,566 $22K
Osaic Holdings, Inc. 0.00% New 1,475 $21K
BNP Paribas Financial Markets 0.00% Reduce -38.4% 1,048 $15K
Steward Partners Investment Advisory, LLC 0.00% No change 1,000 $14K
Royal Bank of Canada 0.00% Reduce -29.5% 754 $11K
Tower Research Capital LLC (TRC) 0.00% Reduce -74.5% 702 $10K
Legal & General Group Plc 0.00% No change 462 $7K
Russell Investments Group, Ltd. 0.00% No change 408 $6K
Ameritas Investment Partners, Inc. 0.00% No change 400 $6K
California State Teachers Retirement System 0.00% New 293 $4K
Amalgamated Bank 0.00% Reduce -2.6% 150 $2K
Cwm, LLC 0.00% New 151 $2K
Sterling Capital Management LLC 0.00% Add +11.5% 126 $2K
National Bank of Canada 0.00% No change 27 $386
EverSource Wealth Advisors, LLC 0.00% New 7 $100
True Wealth Design, LLC 0.00% New 1 $15
IFP Advisors, Inc 0.00% New 1 $14
Essential Partners LLC 0.00% New 1 $14

"% of holder's portfolio" is SI's weight in each manager's 13F, not the share of Shoulder Innovations Inc. the manager owns.