# AMERICAN SHARED HOSPITAL SVC (AMS)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/AMS/

- Reporting holders: 21
- Reported value: $819.6K
- Shares held by institutions: 518,780 of 6,650,000 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [DIMENSIONAL FUND ADVISORS LP](https://holderbook.com/funds/354204-dimensional-fund-advisors-lp/) | $161.4K | 102,140 | 0.0% | 31 |
| [LPL Financial LLC](https://holderbook.com/funds/1403438-lpl-financial-llc/) | $128.6K | 81,386 | 0.0% | 2 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $91.2K | 57,695 | 0.0% | 20 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $87.9K | 55,662 | 0.0% | 2 |
| [JAMES INVESTMENT RESEARCH, INC.](https://holderbook.com/funds/810384-james-investment-research-inc/) | $47.0K | 29,725 | 0.0% | 31 |
| [NewEdge Advisors, LLC](https://holderbook.com/funds/1633516-newedge-advisors-llc/) | $47.0K | 29,725 | 0.0% | 23 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1107261-bridgeway-capital-management-llc/) | $46.0K | 29,124 | 0.0% | 31 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $41.9K | 26,497 | 0.0% | 12 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $40.1K | 25,363 | 0.0% | 2 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $38.2K | 24,202 | 0.0% | 7 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $30.2K | 19,107 | 0.0% | 1 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $29.1K | 18,395 | 0.0% | 2 |
| [Empowered Funds, LLC](https://holderbook.com/funds/1592828-empowered-funds-llc/) | $18.8K | 11,924 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $9.3K | 5,858 | 0.0% | 22 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $1.8K | 1,165 | 0.0% | 1 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $717 | 454 | 0.0% | 1 |
| [Caitong International Asset Management Co., Ltd](https://holderbook.com/funds/1963355-caitong-international-asset-management-co-ltd/) | $169 | 107 | 0.0% | 1 |
| [JONES FINANCIAL COMPANIES LLLP](https://holderbook.com/funds/815917-jones-financial-companies-lllp/) | $161 | 100 | 0.0% | 4 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $130 | 82 | 0.0% | 1 |
| [WELLS FARGO & COMPANY/MN](https://holderbook.com/funds/72971-wells-fargo-company-mn/) | $0 | 0 | 0.0% | 8 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $0 | 69 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 21 | $819.6K |
| Q1 2026 | 19 | $1.4M |
| Q4 2025 | 17 | $2.2M |
| Q3 2025 | 22 | $3.5M |
| Q2 2025 | 18 | $2.1M |
| Q1 2025 | 18 | $2.5M |
| Q4 2024 | 17 | $3.4M |
| Q3 2024 | 18 | $3.3M |
| Q2 2024 | 19 | $3.5M |
| Q1 2024 | 19 | $3.2M |
| Q4 2023 | 18 | $2.5M |
| Q3 2023 | 21 | $2.7M |

