Security key
029595105
AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS)
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
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
18
Top holders
10
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
Reporting periods
Holder history for CUSIP 029595105
Recent filing periods:
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
Craig K. Tagawa
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
15/15
Latest evidence
30 Apr 2025
3/4/5
13F
Lead comparable stake: 0.51%
Showing 1-6 of 15 holder rows.
Quick read
Craig K. Tagawa leads the comparable SEC ownership view at 0.51%.
15 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 Craig K. Tagawa's linked filing trail.
Comparable ownership
Top 5
Craig K. Tagawa
0.51%
DIMENSIONAL FUND ADVISORS LP
3%
VANGUARD GROUP INC
2.6%
Corient Private Wealth LLC
2.3%
BRIDGEWAY CAPITAL MANAGEMENT, LLC
1.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Craig K. Tagawa |
3/4/5
President
|
0.51%
|
$94,077
35,501 shares
|
— | 30 Apr 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3%
|
$583,686
209,959 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2.6%
|
$503,856
181,243 shares
|
— | 31 Mar 2025 |
| Corient Private Wealth LLC |
13F
Company
|
2.3%
|
$446,354
160,559 shares
|
— | 31 Mar 2025 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.4%
|
$268,801
96,691 shares
|
— | 31 Mar 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
1%
|
$194,322
69,900 shares
|
— | 31 Mar 2025 |
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
18
Shares
851,957
Rows available
18
| 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 Q1 2026 Across Filers
Q1 2026 holders
19
Q2 2025 holders
18
Holder diff
-1
| Investor | Q1 2026 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 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