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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.

Q1 2026 vs. Q4 2025

How the institutions holding American Shared Hospital Services changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of AMS: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders18120+3
Shares882.3K181.1K992.1K+290.9K (+41.5%)
Value$1.86M$382.2K$1.44M−$40.9K (−2.8%)

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (6)

Institutions that held American Shared Hospital Services at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to AMS in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC153,737$222.9K0.00%
LPL Financial LLC76,366$110.7K0.00%
Citadel Advisors LLC28,558$41.4K0.00%
Vanguard Fiduciary Trust Co27,406$39.7K0.00%
Empowered Funds, LLC11,924$17.3K0.00%
UBS Group AG200$2900.00%

Sold out (3)

Institutions that held American Shared Hospital Services at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of AMS in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Citigroup Inc142$300
Bank of America Corp60$126
Wells Fargo & Company0$1

Not filed for Q1 2026 yet (1)

Institutions that held American Shared Hospital Services at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMS in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc181,143$382.2K