SHOULDER INNOVATIONS, INC. (SI) ownership: Top institutional holder: FMR LLC ($54.99M). Insider activity: Net Seller (2 buys, 18 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 3784552.00 | $54.99M | 2026-03-31 |
| BlackRock, Inc. | 556052.00 | $8.08M | 2026-03-31 |
| SECTORAL ASSET MANAGEMENT INC | 430407.00 | $6.25M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 413480.00 | $6.01M | 2026-03-31 |
| TimesSquare Capital Management, LLC | 322764.00 | $4.69M | 2026-03-31 |
| Roubaix Capital, LLC | 257121.00 | $3.74M | 2026-03-31 |
| Alyeska Investment Group, L.P. | 232984.00 | $3.39M | 2026-03-31 |
| VANGUARD GROUP INC | 220430.00 | $3.15M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-06-12 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-30 | |
| Sell | null | 2026-04-20 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.