AMS · American Shared Hospital Services · Holdings
$1.47
-0.02 (-1.34%)
At close · Sep 10
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
$9.91M
Shares
6.65M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 20
Total Value: $798,701
Total Shares: 505,514
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 20 13F filers · Δ vs Mar 31, 2026Top Holder
20.2%
−0.5 pts
Top 5
64.6%
−4.6 pts
Top 10
90.3%
+2.3 pts
HHI
1,114
Broadly held−60
Quarterly Activity
vs Mar 31, 2026
New
4
Increased
3
Decreased
5
Sold Out
5
Unchanged
8
Holder count:
-1
Institutional value:
-44.5%
Shares held:
-49.0%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +18,195 | 18,395 | |
| Large RENAISSANCE TECHNOLOGIES LLC | +8,495 | 57,695 | |
| Mega LPL Financial LLC | +5,020 | 81,386 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega DIMENSIONAL FUND ADVISORS LP | −102,980 | 102,140 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | −98,075 | 55,662 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | −61,696 | 29,124 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | −6,091 | 26,497 | |
| Mega VANGUARD FIDUCIARY TRUST CO | −2,043 | 25,363 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | 19,107 | $30,189 | |
| Mega CITIGROUP INC | 454 | $717 | |
| Small Caitong International Asset Management Co., Ltd | 107 | $169 | |
| Mega BARCLAYS PLC | 82 | $129 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large Corient Private Wealth LLC | 160,559 | $232,810 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 42,314 | $61,355 | |
| Mid DRW Securities, LLC | 32,889 | $47,689 | |
| Mega CITADEL ADVISORS LLC | 28,558 | $41,409 | |
| Mid Tower Research Capital LLC (TRC) | 2,814 | $4,080 |