Intrinsic
Screener
Valuation
Movers
Economy
Bonds
Institutions
Business Summaries
Updates
Go
Sign In
Screener
Summaries
Updates
Institutions
Sign In
More
↑
Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — AMPG
Institutional Holdings
Insider Transactions
US Institutional Ownership
38.6%
Institution
Shares
Value
Ownership %
Change
Filing Date
BARD ASSOCIATES INC
1.48M
$10.0M
5.76%
-119.9K
2026-06-30
CITADEL ADVISORS LLC
1.44M
$10.0M
5.63%
+1.19M
2026-06-30
JANE STREET GROUP, LLC
1.19M
$8.0M
4.66%
+1.16M
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
956.5K
$6.0M
3.73%
+151.0K
2026-06-30
HRT FINANCIAL LP
551.1K
$3.0M
2.15%
--
2026-06-30
BlackRock, Inc.
523.0K
$3.0M
2.04%
+414.9K
2026-06-30
PEAK6 LLC
507.3K
$3.0M
1.98%
--
2026-06-30
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.
449.5K
$3.0M
1.75%
+404.6K
2026-06-30
EQUITEC PROPRIETARY MARKETS, LLC
280.4K
$1.0M
1.09%
+274.4K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
246.1K
$1.0M
0.96%
+3.3K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
185.4K
$1.0M
0.72%
-30.1K
2026-06-30
Informed Momentum Co LLC
134.6K
--
0.52%
-40.1K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
130.4K
--
0.51%
+19.2K
2026-06-30
SIMPLEX TRADING, LLC
123.9K
--
0.48%
+111.0K
2026-06-30
STATE STREET CORP
113.5K
--
0.44%
+24.3K
2026-06-30
PFG Investments, LLC
110.6K
--
0.43%
+78.1K
2026-06-30
NATIONAL BANK OF CANADA /FI/
106.9K
--
0.42%
--
2026-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC
105.8K
--
0.41%
--
2026-06-30
THOMPSON SIEGEL & WALMSLEY LLC
105.0K
--
0.41%
--
2026-06-30
FNY Investment Advisers, LLC
92.5K
--
0.36%
--
2026-06-30
TWO SIGMA INVESTMENTS, LP
92.0K
--
0.36%
--
2026-06-30
SEI INVESTMENTS CO
79.7K
--
0.31%
-26.9K
2026-06-30
Integrated Wealth Concepts LLC
70.7K
--
0.28%
-354.1K
2026-06-30
UBS Group AG
68.8K
--
0.27%
+42.7K
2026-06-30
ESSEX INVESTMENT MANAGEMENT CO LLC
60.5K
--
0.24%
-27.3K
2026-06-30
← Prev
Page 1 of 3
Next →
