AMS · American Shared Hospital Services · Shareholders & Ownership
$1.30
+0.03 (+2.36%)
At close · Oct 28
Return incl. dividend (before tax)
Q2 2026 earnings call transcript
Going-concern doubt
— flagged Aug 13, 2026
Substantial doubt about the company's ability to continue as a going concern.
“As a result, these conditions raise substantial doubt about the Company's ability to continue as a going concern. ... management has determined that the Company's liquidity condition raises substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed Aug 13, 2026
Market Cap
$8.45M
Shares
6.65M
Volume · Oct 28
8964
Avg daily vol (3M)
12.61K
Every disclosed holder of AMS in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns AMS
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 505,514 | 7.60% |
| Insiders (Forms 3, 4, 5) | 2,375,340 | 35.72% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 3,769,146 | 56.68% |
| Registered funds (N-PORT, not summed) | 202,264 | 3.04% |
Shares outstanding: 6,650,000, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of AMS
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Stachowiak Raymond C
13D
CIK 1609580 · Unknown · Jul 22, 2026
Item 4 purpose: Passive investment
not summed
|
2,440,205 | ||
| 1.1 |
Stachowiak Raymond C
Insider
CIK 1609580 · Jun 22, 2026
Director, Executive Chairman, 10% Owner, issuer-wide
|
2,280,205 | ||
| 2 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
102,140 | ||
| 2.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
92,075 | ||
| 2.2 |
Dimensional US Sustainability Core 1 ETF
Fund
S000076639 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
136 | ||
| 3 |
LPL Financial LLC
13F
CIK 1403438 · Broker-dealer · Jun 30, 2026
carried, not yet filed for the newest quarter
|
81,386 | ||
| 4 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
57,695 | ||
| 5 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
55,662 | ||
| 6 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
55,662 | ||
| 7 |
|
50,000 | ||
| 8 |
|
35,501 | ||
| 9 |
JAMES INVESTMENT RESEARCH, INC.
13F
CIK 810384 · Registered investment adviser · Sep 30, 2026
|
29,725 | ||
| 10 |
NewEdge Advisors, LLC
13F
CIK 1633516 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
29,725 | ||
| 11 |
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
CIK 1107261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
29,124 | ||
| 11.1 |
Ultra-Small Company Market Fund
Fund
S000004424 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
8,700 | ||
| 11.2 |
Omni Small-Cap Value Fund
Fund
S000033567 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
8,500 | ||
| 12 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
26,497 | ||
| 13 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
25,363 | ||
| 14 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
20,949 | ||
| 15 |
XTX Topco Ltd
13F
CIK 1828301 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
19,107 | ||
| 16 |
|
18,395 | ||
| 17 |
|
12,101 | ||
| 18 |
Empowered Funds, LLC
13F
CIK 1592828 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
11,924 | ||
| 18.1 |
EA Bridgeway Omni Small-Cap Value ETF
Fund
S000078089 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
|
11,924 | ||
| 19 |
|
9,634 | ||
| 20 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,858 | ||
| 21 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
4,318 | ||
| 22 |
|
454 | ||
| 23 |
Caitong International Asset Management Co., Ltd
13F
CIK 1963355 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
107 | ||
| 24 |
JONES FINANCIAL COMPANIES LLLP
13F
CIK 815917 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
100 | ||
| 25 |
|
82 | ||
| 26 |
ROYAL BANK OF CANADA
13F
CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
69 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.