Delisting risk
American Shared Hospital Services (AMS)
Finances radiosurgery and radiation-therapy equipment while operating cancer-treatment centers.
$1.47
At close+0.01 (+0.42%)
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Breakdown13F · 13D/G · Form 4
| Institutions19 holders · as of Mar 31, 2026 | 14.92% | 992.0K shares | |
| Insiders1 holder · as of Jul 30, 2026 | 36.69% | 2.44M shares | |
| Otherremainder | 48.39% | 3.22M shares |
6.65M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Institutions13F, as of Mar 31, 2026
19 holders · 992.0K shares · 5 new positions · 7 increased · 6 reduced · 3 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Dimensional Fund Advisors LP | 205.1K | 3.08% | −1.3K | May 7, 2026 |
| Ci Private Wealth, LLC | 160.6K | 2.41% | 0 | May 15, 2026 |
| Vanguard Capital Management LLC | 153.7K | 2.31% | +153.7Knew | May 15, 2026 |
| Bridgeway Capital Management, LLC | 90.8K | 1.37% | −3.3K | May 15, 2026 |
| LPL Financial LLC | 76.4K | 1.15% | +76.4Knew | May 6, 2026 |
| Renaissance Technologies LLC | 49.2K | 0.74% | −200 | May 14, 2026 |
| Susquehanna International Group, LLP | 42.3K | 0.64% | +14.9K | May 15, 2026 |
| DRW Securities, LLC | 32.9K | 0.49% | −17.6K | May 13, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Stachowiak Raymond Cincl. RCS/TIG Holdings LLC, Stachowiak Equity Fund, LLC +1 more | 35.30% | 2.44M | 13D | Jul 30, 2026 ↗ |
Insider tradesForm 4
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.