American Shared Hospital Services
AMS- Exchange
- NYSE
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0000744825
No open-market purchases or sales by American Shared Hospital Services insiders were filed in the last 90 days; 19 institutions reported holding it in 13F filings for Q2 2026, worth $798.6K in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in American Shared Hospital Services as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- +5 vs. Q2 2025
- Shares held
- 1.24M
- +388.8K (+45.6%) vs. Q2 2025
- Total value
- $3.47M
- +$1.42M (+69.3%) vs. Q2 2025
- New holders
- 6
- 1 more added
- Sold out
- 1
- 7 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 19 | $798.6K |
| Q1 2026 | 20 | $1.44M |
| Q4 2025 | 18 | $1.86M |
| Q3 2025 | 23 | $3.47M |
| Q2 2025 | 18 | $2.05M |
| Q1 2025 | 18 | $2.49M |
| Q4 2024 | 17 | $3.39M |
| Q3 2024 | 18 | $3.29M |
| Q2 2024 | 19 | $3.47M |
| Q1 2024 | 19 | $3.12M |
| Q4 2023 | 18 | $2.50M |
| Q3 2023 | 21 | $2.70M |
| Q2 2023 | 18 | $2.79M |
| Q1 2023 | 20 | $3.09M |
| Q4 2022 | 18 | $3.06M |
| Q3 2022 | 16 | $2.20M |
| Q2 2022 | 16 | $1.80M |
| Q1 2022 | 16 | $1.83M |
| Q4 2021 | 18 | $1.91M |
| Q3 2021 | 18 | $2.42M |
| Q2 2021 | 16 | $2.50M |
| Q1 2021 | 18 | $1.86M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding American Shared Hospital Services; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Philanthropic Trust | 410,746 | $1.15M | 0.01% | +410,746 | New |
| Dimensional Fund Advisors LP | 209,959 | $587.9K | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 181,143 | $507.2K | 0.00% | −100−0.1% | Reduced |
| CI Private Wealth, LLC | 160,559 | $449.6K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 96,691 | $270.7K | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 49,800 | $139.4K | 0.00% | −16,900−25.3% | Reduced |
| Geode Capital Management, LLC | 32,665 | $91.5K | 0.00% | −427−1.3% | Reduced |
| James Investment Research Inc | 29,725 | $83.2K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 29,725 | $83.2K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 12,101 | $33.9K | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 11,924 | $33.4K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 6,810 | $19.1K | 0.00% | +454+7.1% | Added |
| Acadian Asset Management LLC | 6,196 | $17.0K | 0.00% | −1,198−16.2% | Reduced |
| Tower Research Capital LLC (TRC) | 1,655 | $4.63K | 0.00% | −7−0.4% | Reduced |
| Farther Finance Advisors, LLC | 502 | $1.41K | 0.00% | +502 | New |
| Advisor Group Holdings, Inc. | 300 | $840 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 100 | $290 | 0.00% | +100 | New |
| Bank of America Corp | 65 | $182 | 0.00% | −7−9.7% | Reduced |
| UBS Group AG | 50 | $140 | 0.00% | +50 | New |
| Barclays PLC | 20 | $56 | 0.00% | +20 | New |
| JPMorgan Chase & Co | 7 | $20 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 0 | $1 | 0.00% | −550−100.0% | Reduced |
| Royal Bank of Canada | 12 | $0 | 0.00% | +12 | New |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −3,897−100.0% | Sold out |