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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −1 vs. previous quarter
- 19
- 13F valueReported value at the end of Q2 2026
- $798.6K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding AMS, Q2 2026
No superinvestor reported holding AMS at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by American Shared Hospital Services insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Stachowiak Raymond CExecutive Chairman | PPurchaseCommon Stock No Par Value | +586.5K | $2.28 | +$1.34M | New position586.5K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in American Shared Hospital Services at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 102,140 | $161.4K | 0.00% | −102,980−50.2% | Reduced |
| LPL Financial LLC | 81,386 | $128.6K | 0.00% | +5,020+6.6% | Added |
| Renaissance Technologies LLC | 57,695 | $91.2K | 0.00% | +8,495+17.3% | Added |
| Vanguard Capital Management LLC | 55,662 | $87.9K | 0.00% | −98,075−63.8% | Reduced |
| James Investment Research Inc | 29,725 | $47.0K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 29,725 | $47.0K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 29,124 | $46.0K | 0.00% | −61,696−67.9% | Reduced |
| Geode Capital Management, LLC | 26,497 | $41.9K | 0.00% | −6,091−18.7% | Reduced |
| Vanguard Fiduciary Trust Co | 25,363 | $40.1K | 0.00% | −2,043−7.5% | Reduced |
| XTX Topco Ltd | 19,107 | $30.2K | 0.00% | +19,107 | New |