SHOULDER INNOVATIONS INC (SI): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in SI. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$6.6M
Across holders
Last Price
$22.22
2026-08-24
Sector
—
GICS
Quarterly fund activity7 increased0 reduced1 exited
Full exits: MILLENNIUM MANAGEMENT LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 86K | $1.7M | 26.4% | 0.0% | Added | +$20K | Q2 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 78K | $1.6M | 23.8% | 0.0% | Added | — | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 44K | $896K | 13.5% | 0.0% | Added | — | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 39K | $784K | 11.9% | 0.0% | Added | — | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 37K | $746K | 11.3% | 0.0% | Added | +$198K | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 23K | $465K | 7.0% | 0.0% | Added | — | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 20K | $401K | 6.1% | 0.0% | Added | — | Q2 2026 |
Added
Hedge Fund
$1.7M· 26.4% of total· 0.0% port· 86K sh· +$20K QoQ· Q2 2026
Added
Hedge Fund
$1.6M· 23.8% of total· 0.0% port· 78K sh· — QoQ· Q2 2026
Added
Hedge Fund
$896K· 13.5% of total· 0.0% port· 44K sh· — QoQ· Q2 2026
Added
Hedge Fund
$784K· 11.9% of total· 0.0% port· 39K sh· — QoQ· Q2 2026
Added
Hedge Fund
$746K· 11.3% of total· 0.0% port· 37K sh· +$198K QoQ· Q2 2026
Added
Hedge Fund
$465K· 7.0% of total· 0.0% port· 23K sh· — QoQ· Q2 2026
Added
Hedge Fund
$401K· 6.1% of total· 0.0% port· 20K sh· — QoQ· Q2 2026
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