As of the latest SEC filings, OS Therapies Inc (OSTX) is held by 10 institutional funds. The largest fund shareholder is VANGUARD EXTENDED MARKET INDEX FUND (VEMPX), holding an estimated $357,695.85 in market value, representing a significant portion of its portfolio.
Funds holding OS Therapies Inc (OSTX)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- OSTX
- CIK:
- 0001795091
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $357,695.85 | 253,685 | Mar 31, 2026 | May 28, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.00% | $210,252.15 | 149,115 | Mar 31, 2026 | May 28, 2026 |
|
FSMAX
Fidelity Extended Market Index Fund
|
MF | Fidelity | 0.00% | $190,626.66 | 129,678 | Feb 28, 2026 | Apr 24, 2026 |
|
VITNX
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND
|
MF | Vanguard | 0.00% | $94,000.47 | 66,667 | Mar 31, 2026 | May 28, 2026 |
|
IWC
iShares Micro-Cap ETF
|
ETF | BlackRock / iShares | 0.01% | $86,142.54 | 61,094 | Mar 31, 2026 | May 28, 2026 |
|
FSKAX
Fidelity Total Market Index Fund
|
MF | Fidelity | 0.00% | $48,280.68 | 32,844 | Feb 28, 2026 | Apr 24, 2026 |
|
FCFMX
Fidelity Series Total Market Index Fund
|
MF | Fidelity | 0.00% | $42,944.58 | 29,214 | Feb 28, 2026 | Apr 24, 2026 |
|
BRSIX
Ultra-Small Company Market Fund
|
MF | Independent / Boutique | 0.03% | $35,250.00 | 25,000 | Mar 31, 2026 | May 21, 2026 |
|
-
1290 VT Micro Cap Portfolio
|
ETF | Independent / Boutique | 0.00% | $5,752.80 | 4,080 | Mar 31, 2026 | May 26, 2026 |
|
BXMYX
Blackstone Alternative Multi-Strategy Fund
|
MF | Independent / Boutique | 0.00% | -$2,115.00 | -1,500 | Mar 31, 2026 | May 27, 2026 |
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