OS THERAPIES INC (OSTX): Institutional Ownership
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
2
13F filers
Aggregate Value
$191K
Across holders
Last Price
$1.88
2026-06-26
Sector
Health Care
GICS
Holder activity1 new0 added1 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 110K | $154K | 80.5% | 0.0% | New | — | Q4 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 26K | $37K | 19.5% | 0.0% | Reduced | $-86K | Q1 2026 |