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Stocks / American Shared Hospital Svc
Institutional Ownership

American Shared Hospital Svc

CUSIP 029595105COMAMSQ1 2026

13D / 13G Filings
10
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
23.7%
Max % of class reported
Institutional Holders
18
13F filers (latest quarter)

Beneficial Owners — Schedule 13D / 13G

10 filings · latest Dec 16, 2025

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#FiledReporting PersonForm% of ClassSharesFiling
1Dec 16, 2025Ruffle John F13D/ASEC
2Dec 9, 2025Stachowiak Raymond C13D/A23.7%SEC
3May 9, 2025Anita G. Zucker13D/A9.1%SEC
4Mar 7, 2025Anita G. Zucker13D/A7.9%SEC
5Jan 3, 2025Stachowiak Raymond C13D/A22.8%SEC
6Nov 20, 2024Zucker Anita G13D5.2%331.2KSEC
7Apr 3, 2024Stachowiak Raymond C13D/A21.9%1.39MSEC
8Dec 18, 2023Ruffle John F13D/A6.5%410.7KSEC
9May 3, 2023Stachowiak Raymond C13D/A20.6%1.30MSEC
10Jun 14, 2021American Shared Hospital Services13D/A18.4%1.07MSEC

Top Institutional Holders (13F)

Largest reported positions · latest quarter

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