Security key
029595105
AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS)
CUSIP: 029595105
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, no par value
- Total 13F shares
- 882,252
- Total 13F value
- $1,861,580
- Share change
- -358,491
- SEC-reported price per share
- $2.11
- Number of holders
- 16
- Value change
- -$1,052,593
- Number of buys
- 4
- Number of sells
- 13
- Shares outstanding
- 6,912,762
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
16
Top holders
10
AMS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous 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
National Philanthropic Trust
Disclosed value leader
National Philanthropic Trust
Comparable rows
0/15
Latest evidence
30 Sep 2025
13F
3/4/5
Highest disclosed value: $1,150,089
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
National Philanthropic Trust has the largest disclosed position value at $1.15M.
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 National Philanthropic Trust's linked filing trail.
Disclosed position value
Top 5
National Philanthropic Trust
$1.15M
DIMENSIONAL FUND ADVISORS LP
$587.9K
VANGUARD GROUP INC
$507.2K
Corient Private Wealth LP
$449.6K
Gary Delanois
$324K
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 |
|---|---|---|---|---|---|
| National Philanthropic Trust |
13F
Company
|
—
denominator unverified
|
$1,150,089
410,746 shares
|
— | 30 Sep 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$587,885
209,959 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$507,201
181,143 shares
|
— | 30 Sep 2025 |
| Corient Private Wealth LP |
13F
Company
|
—
denominator unverified
|
$449,565
160,559 shares
|
— | 30 Sep 2025 |
| Gary Delanois |
3/4/5
Chief Operating Officer
|
—
denominator unverified
|
$324,000
120,000 shares
|
— | 14 Oct 2024 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$270,735
96,691 shares
|
— | 30 Sep 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
882,252
Rows available
16
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
20
Q4 2025 holders
16
Holder diff
-4
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend