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 — AMPH
Institutional Holdings
Insider Transactions
US Institutional Ownership
66.1%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
5.22M
$105.0M
12.28%
-196.4K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
2.31M
$46.0M
5.42%
+277.2K
2026-06-30
STATE STREET CORP
1.64M
$33.0M
3.86%
+34.6K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
1.48M
$29.0M
3.48%
-61.7K
2026-06-30
AMERICAN CENTURY COMPANIES INC
1.18M
$23.0M
2.77%
+159.1K
2026-06-30
MARSHALL WACE, LLP
1.07M
$21.0M
2.51%
+40.7K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
969.8K
$19.0M
2.28%
-6.8K
2026-06-30
FULLER & THALER ASSET MANAGEMENT, INC.
949.2K
$19.0M
2.23%
-445.9K
2026-06-30
D. E. Shaw & Co., Inc.
887.0K
$17.0M
2.09%
+221.5K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
809.6K
$16.0M
1.90%
+21.8K
2026-06-30
LSV ASSET MANAGEMENT
642.0K
$12.0M
1.51%
-9.7K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
525.1K
$10.0M
1.23%
-28.8K
2026-06-30
GOLDMAN SACHS GROUP INC
505.4K
$10.0M
1.19%
+176.0K
2026-06-30
SYSTEMATIC FINANCIAL MANAGEMENT LP
437.4K
$8.0M
1.03%
-15.5K
2026-06-30
MORGAN STANLEY
434.8K
$8.0M
1.02%
+14.5K
2026-06-30
UBS Group AG
393.1K
$7.0M
0.92%
-27.2K
2026-06-30
HRT FINANCIAL LP
387.5K
$7.0M
0.91%
+331.3K
2026-06-30
DENALI ADVISORS LLC
376.0K
$7.0M
0.88%
+109.5K
2026-06-30
NORTHERN TRUST CORP
371.0K
$7.0M
0.87%
-1.3K
2026-06-30
Sixth Street Partners Management Company, L.P.
310.2K
$6.0M
0.73%
--
2026-06-30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
310.2K
$6.0M
0.73%
-10.9K
2026-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC
299.0K
$6.0M
0.70%
-31.5K
2026-06-30
ROYCE & ASSOCIATES LP
294.8K
$5.0M
0.69%
-111.4K
2026-06-30
TWO SIGMA INVESTMENTS, LP
248.1K
$5.0M
0.58%
--
2026-06-30
FIRST TRUST ADVISORS LP
247.0K
$4.0M
0.58%
+96.4K
2026-06-30
← Prev
Page 1 of 9
Next →
