How many institutions held AMS - AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value in Q2 2025?

18 institutional investors reported AMS - AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value for Q2 2025. Use the holders table for investor-level position and value details.

AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS)

Q: What does CUSIP 029595105 represent in this 13F holders report?

CUSIP 029595105 is the security identifier for AMS - AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value used to aggregate holder disclosures.

CUSIP: 029595105

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock, no par value
Total 13F shares: 851,957
Total 13F value: $2,052,429
Share change: -43,308
SEC-reported price per share: $2.41
Number of holders: 18
Value change: -$117,209
Number of buys: 4
Number of sells: 4
Shares outstanding: 6,912,762

Security key

029595105

Report period

Q2 2025

Institutions

Top holders

AMS full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 AMERICAN SHARED HOSPITAL SERVICES SEC filings AMERICAN SHARED HOSPITAL SERVICES company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 029595105

Newer quarter: Q3 2025

Recent filing periods:

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of AMS - AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

DIMENSIONAL FUND ADVISORS LP

Disclosed value leader

DIMENSIONAL FUND ADVISORS LP

Comparable rows

0/15

Latest evidence

30 Apr 2025

13F 3/4/5 Highest disclosed value: $583,686 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

DIMENSIONAL FUND ADVISORS LP has the largest disclosed position value at $583.7K.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens DIMENSIONAL FUND ADVISORS LP's linked filing trail.

Disclosed position value Top 5

DIMENSIONAL FUND ADVISORS LP $583.7K

VANGUARD GROUP INC $503.9K

Corient Private Wealth LP $446.4K

Gary Delanois $324K

BRIDGEWAY CAPITAL MANAGEMENT, LLC $268.8K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$583,686 209,959 shares	—	31 Mar 2025
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$503,856 181,243 shares	—	31 Mar 2025
Corient Private Wealth LP	13F Company 13F	— denominator unverified	$446,354 160,559 shares	—	31 Mar 2025
Gary Delanois	3/4/5 Chief Operating Officer 3/4/5	— denominator unverified	$324,000 120,000 shares	—	14 Oct 2024
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$268,801 96,691 shares	—	31 Mar 2025
David A. Larson	3/4/5 Director 3/4/5	— denominator unverified	$242,503 89,816 shares	—	25 Jun 2021

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

851,957

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q2 2026 Across Filers

Q2 2026 holders

Q2 2025 holders

Holder diff

Investor	Q2 2026 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q2 2026 value	Q2 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend