AMERICAN SHARED HOSPITAL SER (AMS) Institutional Ownership and Insiders Activity
AMERICAN SHARED HOSPITAL SER (AMS) is widely held by institutional investors, with 17 firms reporting positions valued at approximately $758,563 based on SEC Form 13F filings for the quarter ended June 30, 2026.
Dimensional Fund Advisors Lp is the largest disclosed holder, reporting approximately $144,846 in AMS holdings in its latest filing.
Institutional Holders
17
Total Reported Value
$758,563
Largest Holder
Dimensional Fund Advisors Lp
Largest Position
$144,846
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
16
Funds Exiting Positions
1
Top Institutional Owners
View allInvestorReported Balance
- Dimensional Fund Advisors Lp$144,846
- Lpl Financial Llc$115,568
- Renaissance Technologies LLC$91,158
- Vanguard Capital Management Llc$87,946
- Newedge Advisors, Llc$46,966
Related AMS Institutional Insights:
- AMS 13F Institutional Holders
- AMS Superinvestors
- AMS Institutional Ownership Changes
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- AMS Insider Trading & SEC Form 4 Activity
- AMS Articles
- Top Institutional Investor Stock Rankings