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Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — AMST
Institutional Holdings
Insider Transactions
US Institutional Ownership
8.2%
Institution
Shares
Value
Ownership %
Change
Filing Date
Focus Partners Wealth
167.4K
--
3.53%
+1.4K
2026-06-30
GOLDMAN SACHS GROUP INC
59.4K
--
1.25%
--
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
32.7K
--
0.69%
-20.9K
2026-06-30
STATE STREET CORP
31.6K
--
0.67%
--
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
30.2K
--
0.64%
--
2026-06-30
Warberg Asset Management LLC
14.3K
--
0.30%
--
2026-06-30
VANGUARD FIDUCIARY TRUST CO
13.8K
--
0.29%
--
2026-06-30
JANE STREET GROUP, LLC
12.8K
--
0.27%
--
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
10.1K
--
0.21%
-1.3K
2026-06-30
OSAIC HOLDINGS, INC.
10.0K
--
0.21%
--
2026-06-30
Tower Research Capital LLC (TRC)
4.1K
--
0.09%
+2.4K
2026-06-30
UBS Group AG
3.4K
--
0.07%
+713
2026-06-30
