OS THERAPIES INC (OSTX): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in OSTX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
3
13F filers
Aggregate Value
$263K
Across holders
Last Price
$1.55
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity3 increased0 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 101K | $191K | 72.6% | 0.0% | Added | — | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 30K | $58K | 22.0% | 0.0% | Added | +$8K | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 8K | $14K | 5.4% | 0.0% | Added | — | Q2 2026 |
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