Institutional Ownership Amphastar Pharmaceuticals, Inc. (AMPH)
This table provides information about the institutional ownership of Amphastar Pharmaceuticals, Inc. (AMPH). We have compiled data on the 259 institutions that hold shares in the stock, with a total of 33.6 Million shares, which have been reported (via 13F filing form) to have a value of $818 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
5,942,524
shares
|
$145 Million
0.01% of portfolio
|
Q2 2024
Reduced 2.25%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
2,422,904
shares
|
$58.9 Million
0.0% of portfolio
|
Q1 2025
Reduced 10.75%
|
|
|
Td Asset Management Inc
|
May 07, 2025 Q1 2025 |
2,212,142
shares
|
$53.8 Million
0.06% of portfolio
|
Q1 2025
Added 20.21%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
1,604,614
shares
|
$39 Million
0.0% of portfolio
|
Q1 2025
Added 0.53%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
1,356,360
shares
|
$33 Million
0.01% of portfolio
|
Q1 2025
Added 13.16%
|
|
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
May 13, 2025 Q1 2025 |
1,263,598
shares
|
$30.7 Million
0.14% of portfolio
|
Q1 2025
Added 11.53%
|
|
|
Epoch Investment Partners, Inc.
New York, NY |
May 14, 2025 Q1 2025 |
1,261,307
shares
|
$30.7 Million
0.2% of portfolio
|
Q1 2025
Added 14.53%
|
|
|
Boston Trust Walden Corp
|
Apr 21, 2025 Q1 2025 |
1,215,624
shares
|
$29.6 Million
0.26% of portfolio
|
Q1 2025
Added 24.18%
|
|
|
Marshall Wace, LLP
London, X0 |
May 15, 2025 Q1 2025 |
1,031,722
shares
|
$25.1 Million
0.04% of portfolio
|
Q1 2025
Added 69.49%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
955,076
shares
|
$23.2 Million
0.0% of portfolio
|
Q1 2025
Added 4.26%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
868,551
shares
|
$21.1 Million
0.01% of portfolio
|
Q1 2025
Added 238.54%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
594,437
shares
|
$14.5 Million
0.0% of portfolio
|
Q1 2025
Reduced 3.06%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
May 08, 2025 Q1 2025 |
585,115
shares
|
$14.2 Million
0.04% of portfolio
|
Q1 2025
Reduced 28.95%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
May 14, 2025 Q1 2025 |
541,221
shares
|
$13.2 Million
0.0% of portfolio
|
Q1 2025
Reduced 4.49%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
522,112
shares
|
$12.7 Million
0.0% of portfolio
|
Q1 2025
Reduced 17.4%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
495,000
shares
|
$12 Million
0.02% of portfolio
|
Q1 2025
Reduced 5.8%
|
|
|
Pacer Advisors, Inc.
Malvern, PA |
May 06, 2025 Q1 2025 |
479,390
shares
|
$11.7 Million
0.04% of portfolio
|
Q1 2025
Reduced 64.5%
|
|
|
Boston Partners
Boston, MA |
May 12, 2025 Q1 2025 |
423,070
shares
|
$10.3 Million
0.02% of portfolio
|
Q1 2025
Reduced 0.84%
|
|
|
Goldman Sachs Group Inc
New York, NY |
May 16, 2025 Q1 2025 |
406,712
shares
|
$9.89 Million
0.0% of portfolio
|
Q1 2025
Reduced 4.94%
|
|
|
Mesirow Institutional Investment Management, Inc.
Chicago, IL |
Feb 13, 2025 Q4 2024 |
380,389
shares
|
$9.25 Million
1.11% of portfolio
|
Q4 2024
Reduced 8.11%
|
|
|
Granite Investment Partners, LLC
|
May 13, 2025 Q1 2025 |
375,778
shares
|
$9.14 Million
0.58% of portfolio
|
Q1 2025
Reduced 5.27%
|
|
|
Invesco Ltd.
Atlanta, GA |
May 12, 2025 Q1 2025 |
359,143
shares
|
$8.73 Million
0.0% of portfolio
|
Q1 2025
Added 20.17%
|
|
|
Exodus Point Capital Management, LP
New York, NY |
May 14, 2025 Q1 2025 |
343,292
shares
|
$8.35 Million
0.1% of portfolio
|
Q1 2025
New holding
|
|
|
Systematic Financial Management LP
Teaneck, NJ |
May 14, 2025 Q1 2025 |
326,546
shares
|
$7.94 Million
0.28% of portfolio
|
Q1 2025
Added 32.55%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
326,226
shares
|
$7.93 Million
0.0% of portfolio
|
Q1 2025
Reduced 6.13%
|