American Shared Hospital SerAMS
13F holders, Q4 2024 (December 31)17holders −1
1new positions
2sold out
1famous investor
$3.19avg. 13F price*
At the end of Q4 2024, 17 institutions reported holding American Shared Hospital Ser (AMS) in their 13F filings, down 1 from Q3 2024. 1 opened new positions and 2 sold out. The largest holders were Bridgeway Capital Management, LLC ($840K), Dimensional Fund Advisors LP ($670K) and Vanguard Group Inc. ($578K). 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $39K |
| Exits | 2 | $35K |
All 13F filers, Q3 2024 → Q4 2024: 17,818 shares bought and 35,100 shares sold, net −17,282 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Bridgeway Capital Management, LLC | 0.02% | Add +0.1% | 263,191 | $840K |
| Dimensional Fund Advisors LP | 0.00% | Add +0.3% | 209,959 | $670K |
| Vanguard Group Inc. | 0.00% | No change | 181,243 | $578K |
| Corient Private Wealth LP | 0.00% | No change | 160,559 | $512K |
| Renaissance Technologies | 0.00% | Add +5.6% | 71,225 | $227K |
| Financial Counselors Inc. | 0.00% | No change | 37,123 | $118K |
| James Investment Research, Inc. | 0.01% | No change | 29,725 | $95K |
| NewEdge Advisors, LLC | 0.00% | No change | 29,725 | $95K |
| Geode Capital Management, LLC | 0.00% | No change | 28,783 | $92K |
| Acadian Asset Management LLC | 0.00% | Reduce -57.4% | 17,584 | $56K |
| State Street Corp. | 0.00% | New | 12,101 | $39K |
| Empowered Funds, LLC | 0.00% | Add +1.7% | 11,924 | $38K |
| Morgan Stanley | 0.00% | No change | 6,356 | $20K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +259.1% | 1,300 | $4K |
| Wells Fargo & Company | 0.00% | No change | 550 | $2K |
| Bank of America Corp. | 0.00% | Reduce -17.1% | 34 | $108 |
| JPMorgan Chase & Co. | 0.00% | No change | 9 | $29 |
"% of holder's portfolio" is AMS's weight in each manager's 13F, not the share of American Shared Hospital Ser the manager owns.