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Overview
Financials
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Business Summary
Filings
Ownership
Valuation
Ownership — AMTX
Institutional Holdings
Insider Transactions
US Institutional Ownership
18.3%
Institution
Shares
Value
Ownership %
Change
Filing Date
VANGUARD CAPITAL MANAGEMENT LLC
2.63M
$8.0M
3.94%
--
2026-03-31
Grantham, Mayo, Van Otterloo & Co. LLC
1.05M
$3.0M
1.57%
-4.6K
2026-03-31
MARSHALL WACE, LLP
879.7K
$2.0M
1.32%
+319.9K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
730.6K
$2.0M
1.09%
+37.2K
2026-03-31
BlackRock, Inc.
633.2K
$2.0M
0.95%
+14.0K
2026-03-31
JANE STREET GROUP, LLC
595.4K
$1.0M
0.89%
+366.1K
2026-03-31
CITADEL ADVISORS LLC
580.5K
$1.0M
0.87%
-88.6K
2026-03-31
D. E. Shaw & Co., Inc.
545.4K
$1.0M
0.82%
+497.9K
2026-03-31
MILLENNIUM MANAGEMENT LLC
416.8K
$1.0M
0.62%
+298.6K
2026-03-31
VANGUARD FIDUCIARY TRUST CO
378.1K
$1.0M
0.57%
--
2026-03-31
STATE STREET CORP
301.9K
--
0.45%
+41.6K
2026-03-31
CIBC Bancorp USA Inc.
250.3K
--
0.37%
+110
2026-03-31
683 Capital Management, LLC
235.6K
--
0.35%
--
2026-03-31
J. Derek Lewis & Associates Inc.
231.9K
--
0.35%
--
2026-03-31
GOLDMAN SACHS GROUP INC
197.5K
--
0.30%
+100.9K
2026-03-31
UBS Group AG
178.9K
--
0.27%
+100.7K
2026-03-31
LPL Financial LLC
135.9K
--
0.20%
+4.8K
2026-03-31
NORTHERN TRUST CORP
135.2K
--
0.20%
+13.2K
2026-03-31
OSAIC HOLDINGS, INC.
126.9K
--
0.19%
+59.6K
2026-03-31
Hudson Bay Capital Management LP
106.8K
--
0.16%
--
2026-03-31
GSA CAPITAL PARTNERS LLP
101.9K
--
0.15%
-3.3K
2026-03-31
BRIDGEWAY CAPITAL MANAGEMENT, LLC
101.9K
--
0.15%
--
2026-03-31
BANK OF AMERICA CORP /DE/
101.5K
--
0.15%
+60.6K
2026-03-31
PNC Financial Services Group, Inc.
95.5K
--
0.14%
-6.3K
2026-03-31
Centiva Capital, LP
90.8K
--
0.14%
+73.2K
2026-03-31
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