American Shared Hospital SerAMS
13F holders, Q1 2025 (March 31)18holders +1
1new positions
0sold out
1famous investor
$2.78avg. 13F price*
At the end of Q1 2025, 18 institutions reported holding American Shared Hospital Ser (AMS) in their 13F filings, up 1 from Q4 2024. 1 opened new positions and 0 sold out. The largest holders were Dimensional Fund Advisors LP ($584K), Vanguard Group Inc. ($504K) and Corient Private Wealth LP ($446K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- American Shared Hospital Ser
- CUSIP
- 029595105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $834 |
| Exits | 0 | $0 |
All 13F filers, Q4 2024 → Q1 2025: 4,245 shares bought and 170,371 shares sold, net −166,126 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| Dimensional Fund Advisors LP | 0.00% | No change | 209,959 | $584K |
| Vanguard Group Inc. | 0.00% | No change | 181,243 | $504K |
| Corient Private Wealth LP | 0.00% | No change | 160,559 | $446K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -63.3% | 96,691 | $269K |
| Renaissance Technologies | 0.00% | Reduce -1.9% | 69,900 | $194K |
| Financial Counselors Inc. | 0.00% | No change | 37,123 | $103K |
| Geode Capital Management, LLC | 0.00% | Add +13.7% | 32,728 | $91K |
| James Investment Research, Inc. | 0.01% | No change | 29,725 | $83K |
| NewEdge Advisors, LLC | 0.00% | No change | 29,725 | $83K |
| Acadian Asset Management LLC | 0.00% | Reduce -11.9% | 15,484 | $43K |
| State Street Corp. | 0.00% | No change | 12,101 | $34K |
| Empowered Funds, LLC | 0.00% | No change | 11,924 | $33K |
| Morgan Stanley | 0.00% | No change | 6,356 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -34.2% | 855 | $2K |
| Wells Fargo & Company | 0.00% | No change | 550 | $2K |
| Osaic Holdings, Inc. | 0.00% | New | 300 | $834 |
| Bank of America Corp. | 0.00% | No change | 34 | $95 |
| JPMorgan Chase & Co. | 0.00% | Reduce -11.1% | 8 | $22 |
"% of holder's portfolio" is AMS's weight in each manager's 13F, not the share of American Shared Hospital Ser the manager owns.