Shoulder Innovations, Inc.
Shoulder Innovations, Inc. (SI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SI · as of Sep 30, 2025
Ownership Breakdown
42
Institutional Holders
▲ 42 vs Q2
$91.83M
Total Inst. Value
▲ $91.83M vs Q2
20.74M
Shares Outstanding
freeFloat 87.39%
7.32M
13F Shares Held
▲ 7.32M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC surgical & medical instruments & apparatus | 3.85M | 2.83% | 2.83% | $48.30B | Nov 13, 2025 | NEW |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) surgical & medical instruments & apparatus | 482.6K | 35.47% | 35.47% | $6.06B | Nov 14, 2025 | NEW |
ALYESKA INVESTMENT GROUP, L.P. surgical & medical instruments & apparatus | 451.5K | 33.19% | 33.19% | $5.67B | Nov 17, 2025 | NEW |
SECTORAL ASSET MANAGEMENT INC surgical & medical instruments & apparatus | 430.3K | 31.63% | 31.63% | $5.40B | Nov 14, 2025 | NEW |
TIMESSQUARE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 382.4K | 28.11% | 28.11% | $4.80B | Nov 7, 2025 | NEW |
SIO CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 350.0K | 25.73% | 25.73% | $4.39B | Nov 13, 2025 | NEW |
BLACKROCK, INC. surgical & medical instruments & apparatus | 277.4K | 20.39% | 20.39% | $3.48B | Nov 12, 2025 | NEW |
FEDERATED HERMES, INC. surgical & medical instruments & apparatus | 200.0K | 14.70% | 14.70% | $2.51B | Nov 3, 2025 | NEW |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 146.3K | 10.75% | 10.75% | $1.84B | Nov 7, 2025 | NEW |
MARSHALL WACE, LLP surgical & medical instruments & apparatus | 132.9K | 9.77% | 9.77% | $1.67B | Nov 13, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares42
New Positions
first time holders0
Decreased
−0 shares0
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
+42
42 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SI insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
3
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Points Jeffrey S. Chief Financial Officer | Mar 13, 2026 | Purchase | 2,000 | $15.00 | $30.0K | 70.8K | Form 4 ↗ |
BUCKMAN PAUL director | Mar 13, 2026 | Tax Withhold | 3,292 | $14.62 | $48.1K | 62.4K | Form 4 ↗ |
BUCKMAN PAUL director | Mar 13, 2026 | Tax Withhold | 3,714 | $14.82 | $55.0K | 58.7K | Form 4 ↗ |
Buchholz Richard director | Mar 13, 2026 | Purchase | 1,000 | $14.84 | $14.8K | 13.7K | Form 4 ↗ |
Ball Robert Joseph CEO & Executive Chairman | Mar 13, 2026 | Purchase | 2,200 | $15.18 | $33.4K | 278.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Shoulder Innovations, Inc. (SI) is primarily owned by institutional investors, who hold approximately 35.3% of total shares outstanding. Company insiders own approximately 12.61%, while retail and public investors account for the remaining 52.11%.
The largest institutional shareholder of Shoulder Innovations, Inc. is FMR LLC, holding approximately 3.85 million shares — equal to 2.83% of outstanding shares — as of September 30, 2025.
A total of 42 institutional investors currently hold SI stock, with a combined institutional value of approximately $91,828,639 as of the most recent 13F filing period.
Frequently asked questions
SI ownershipShoulder Innovations, Inc. (SI) is primarily owned by institutional investors, who hold approximately 35.3% of shares. The largest shareholder is FMR LLC with a 2.83% stake. Company insiders hold 12.61%. Data sourced from SEC Form 13F as of September 30, 2025.