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 254 institutions that hold shares in the stock, with a total of 33.1 Million shares, which have been reported (via 13F filing form) to have a value of $688 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
Jul 25, 2025 Q2 2025 |
12,624
shares
|
$272,930
0.0% of portfolio
|
Q2 2025
Added 62.49%
|
|
|
Bluestein R H & CO LLC
Birmingham, MI |
Nov 14, 2022 Q3 2022 |
12,500
shares
|
$270,250
0.02% of portfolio
|
Q4 2020
Reduced 16.67%
|
|
|
Cynosure Management, LLC
Salt Lake City, UT |
May 12, 2025 Q1 2025 |
12,401
shares
|
$268,109
0.05% of portfolio
|
Q1 2025
Added 62.79%
|
|
|
Bank Of Montreal
Toronto, A6 |
Aug 05, 2025 Q2 2025 |
11,790
shares
|
$254,899
0.0% of portfolio
|
Q2 2025
Added 43.68%
|
|
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
Aug 07, 2025 Q2 2025 |
11,691
shares
|
$252,759
0.0% of portfolio
|
Q2 2023
Added 6.08%
|
|
|
Comerica Bank
|
May 14, 2025 Q1 2025 |
11,563
shares
|
$249,992
0.0% of portfolio
|
Q1 2025
Reduced 2.05%
|
|
|
Segall Bryant & Hamill, LLC
Chicago, IL |
May 02, 2025 Q1 2025 |
11,185
shares
|
$241,819
0.01% of portfolio
|
Q1 2025
Reduced 40.76%
|
|
|
Yousif Capital Management, LLC
|
Jul 25, 2025 Q2 2025 |
11,078
shares
|
$239,506
0.0% of portfolio
|
Q2 2025
Reduced 0.33%
|
|
|
Arizona State Retirement System
|
May 01, 2025 Q1 2025 |
11,012
shares
|
$238,079
0.0% of portfolio
|
Q1 2025
Reduced 2.58%
|
|
|
Maryland State Retirement & Pension System
|
Jul 23, 2025 Q2 2025 |
10,936
shares
|
$236,436
0.01% of portfolio
|
Q1 2025
Reduced 13.41%
|
|
|
State Board Of Administration Of Florida Retirement System
|
May 12, 2025 Q1 2025 |
10,913
shares
|
$235,939
0.0% of portfolio
|
Q2 2024
Added 94.08%
|
|
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
10,870
shares
|
$235,009
0.0% of portfolio
|
Q1 2025
Reduced 61.79%
|
|
|
Amalgamated Bank
New York, NY |
Aug 04, 2025 Q2 2025 |
10,549
shares
|
$228,069
0.0% of portfolio
|
Q2 2025
Reduced 1.97%
|
|
|
Pathstone Holdings, LLC
Englewood, NJ |
May 15, 2025 Q1 2025 |
10,328
shares
|
$223,291
0.0% of portfolio
|
Q1 2025
Added 6.54%
|
|
|
Hightower 6 M Holding, LLC
|
Oct 25, 2022 Q3 2022 |
10,307
shares
|
$222,837
0.03% of portfolio
|
Q3 2022
Reduced 35.57%
|
|
|
Teacher Retirement System Of Texas
Austin, TX |
Aug 01, 2025 Q2 2025 |
10,251
shares
|
$221,626
0.0% of portfolio
|
Q2 2025
Reduced 1.03%
|
|
|
Sterling Capital Management LLC
Charlotte, NC |
Aug 06, 2025 Q2 2025 |
10,217
shares
|
$220,891
0.0% of portfolio
|
Q2 2025
Added 9.64%
|
|
|
Pro Share Advisors LLC
|
Aug 07, 2025 Q2 2025 |
10,039
shares
|
$217,043
0.0% of portfolio
|
Q2 2025
Reduced 9.37%
|
|
|
Sanctuary Advisors, LLC
Indianapolis, IN |
Jan 31, 2025 Q4 2024 |
9,983
shares
|
$215,832
0.0% of portfolio
|
Q4 2024
Reduced 2.51%
|
|
|
Cim, LLC
|
Jun 05, 2025 Q1 2025 |
9,888
shares
|
$213,778
0.04% of portfolio
|
Q1 2025
Reduced 1.89%
|
|
|
Exchange Traded Concepts, LLC
|
Jul 10, 2025 Q2 2025 |
9,831
shares
|
$212,546
0.0% of portfolio
|
Q2 2025
Added 10.88%
|
|
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
Apr 29, 2025 Q1 2025 |
9,644
shares
|
$208,503
0.03% of portfolio
|
Q1 2025
Reduced 5.4%
|
|
|
Profund Advisors LLC
|
Aug 07, 2025 Q2 2025 |
9,638
shares
|
$208,373
0.01% of portfolio
|
Q2 2025
Reduced 14.37%
|
|
|
Sei Investments CO
Oaks, PA |
May 14, 2025 Q1 2025 |
9,591
shares
|
$207,357
0.0% of portfolio
|
Q1 2025
Reduced 65.9%
|
|
|
Raymond James Financial Services Advisors, Inc.
St. Petersburg, FL |
Oct 18, 2024 Q3 2024 |
9,517
shares
|
$205,757
0.0% of portfolio
|
Q3 2024
Reduced 8.39%
|