Which hedge funds own SI? SHOULDER INNOVATIONS INC, Q2 2026 13F holders
10 of the hedge funds tracked by WhaleCreep disclosed a position in SI (SHOULDER INNOVATIONS INC) in their Q2 2026 13F filings, worth $19.7m in total. The largest holder by portfolio weight is CM Management, LLC at 1.9% of its book. 5 managers opened a new position this quarter: Parkman Healthcare Partners LLC, Schonfeld Strategic Advisors LLC, Squarepoint Ops LLC, Marshall Wace, LLP. 3 exited: Alyeska Investment Group, L.P., Millennium Management LLC, Sio Capital Management, LLC.
10tracked managers holding
5opened this quarter
3exited this quarter
Which hedge funds hold SI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| CM Management, LLC | Q2 2026 | 1.9% | $2.9m | 145,000 | 45% | added |
| Roubaix Capital, LLC | Q2 2026 | 1.9% | $5.2m | 255,288 | -1% | reduced |
| Parkman Healthcare Partners LLC | Q2 2026 | 0.5% | $4.6m | 226,212 | – | new |
| Readystate Asset Management LP | Q2 2026 | 0.0% | $799.7k | 39,431 | 0% | held |
| Schonfeld Strategic Advisors LLC | Q2 2026 | 0.0% | $1.6m | 77,737 | – | new |
| Walleye Capital LLC | Q2 2026 | 0.0% | $1.7m | 86,155 | 1% | added |
| Squarepoint Ops LLC | Q2 2026 | 0.0% | $895.5k | 44,159 | – | new |
| Marshall Wace, LLP | Q2 2026 | 0.0% | $784.2k | 38,667 | – | new |
| Citadel Advisors LLC | Q2 2026 | 0.0% | $746.2k | 36,795 | 172% | added |
| Aqr Capital Management LLC | Q2 2026 | 0.0% | $401.0k | 19,775 | – | new |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Alyeska Investment Group, L.P. | 0.1% | $3.4m |
| Millennium Management LLC | 0.0% | $2.8m |
| Sio Capital Management, LLC | 1.4% | $3.1m |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| point72 | Q2 2026 | 0.0% |
How has hedge fund ownership of SI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 11 | $20.1m |
| Q1 2026 | 8 | $16.5m |
| Q4 2025 | 1 | $175.9k |
Counts every tracked manager that disclosed SI in that quarter's filing, including managers that have since stopped filing.