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 |
|---|---|---|---|---|---|
|
American Century Companies Inc
Kansas City, MO |
May 13, 2025 Q1 2025 |
307,993
shares
|
$7.64 Million
0.01% of portfolio
|
Q1 2025
Reduced 34.75%
|
|
|
Hotchkis & Wiley Capital Management LLC
Los Angeles, CA |
May 14, 2025 Q1 2025 |
270,150
shares
|
$6.7 Million
0.03% of portfolio
|
Q1 2025
Added 13.74%
|
|
|
Qube Research & Technologies LTD
London, X0 |
May 15, 2025 Q1 2025 |
258,981
shares
|
$6.42 Million
0.01% of portfolio
|
Q1 2025
Added 124.63%
|
|
|
Royce & Associates LP
|
May 06, 2025 Q1 2025 |
247,858
shares
|
$6.14 Million
0.08% of portfolio
|
Q1 2025
Added 2684.3%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
May 15, 2025 Q1 2025 |
216,002
shares
|
$5.35 Million
0.02% of portfolio
|
Q1 2025
Added 50.59%
|
|
|
Principal Financial Group Inc
Des Moines, IA |
Apr 28, 2025 Q1 2025 |
212,647
shares
|
$5.27 Million
0.0% of portfolio
|
Q1 2025
Added 2.24%
|
|
|
Silvercrest Asset Management Group LLC
New York, NY |
May 15, 2025 Q1 2025 |
165,856
shares
|
$4.11 Million
0.04% of portfolio
|
Q1 2025
Reduced 0.57%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
162,138
shares
|
$4.02 Million
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
155,979
shares
|
$3.87 Million
0.0% of portfolio
|
Q1 2025
Added 11.09%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
May 14, 2025 Q1 2025 |
155,146
shares
|
$3.85 Million
0.0% of portfolio
|
Q1 2025
Added 6.25%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
May 14, 2025 Q1 2025 |
150,932
shares
|
$3.74 Million
0.0% of portfolio
|
Q1 2025
Reduced 46.04%
|
|
|
Lam Group, Inc.
Lake Oswego, OR |
Apr 16, 2025 Q1 2025 |
130,800
shares
|
$3.24 Million
3.17% of portfolio
|
Q4 2023
Added 2.19%
|
|
|
Janus Henderson Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
124,402
shares
|
$3.08 Million
0.0% of portfolio
|
Q1 2025
Reduced 34.3%
|
|
|
Frontier Capital Management CO LLC
|
May 15, 2025 Q1 2025 |
119,628
shares
|
$2.97 Million
0.04% of portfolio
|
Q1 2025
Reduced 3.03%
|
|
|
Public Sector Pension Investment Board
Montreal, A8 |
May 12, 2025 Q1 2025 |
118,885
shares
|
$2.95 Million
0.02% of portfolio
|
Q1 2025
Added 27.24%
|
|
|
Raymond James & Associates
St Petersburg, FL |
Oct 18, 2024 Q3 2024 |
116,677
shares
|
$2.89 Million
0.0% of portfolio
|
Q3 2024
Added 1.71%
|
|
|
Bridge City Capital, LLC
Lake Oswego, OR |
Apr 14, 2025 Q1 2025 |
115,855
shares
|
$2.87 Million
1.01% of portfolio
|
Q1 2025
Added 65.28%
|
|
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
115,086
shares
|
$2.85 Million
0.05% of portfolio
|
Q1 2025
New holding
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
106,690
shares
|
$2.64 Million
0.0% of portfolio
|
Q1 2025
Reduced 4.82%
|
|
|
Legal & General Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
101,576
shares
|
$2.52 Million
0.0% of portfolio
|
Q1 2025
Reduced 2.09%
|
|
|
Friess Associates LLC
Greenville, DE |
Aug 15, 2022 Q2 2022 |
97,760
shares
|
$2.42 Million
5.68% of portfolio
|
Q2 2022
Reduced 36.69%
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
95,665
shares
|
$2.37 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
95,665
shares
|
$2.37 Million
0.0% of portfolio
|
Q4 2024
Reduced 54.0%
|
|
|
Trexquant Investment LP
Stamford, CT |
May 14, 2025 Q1 2025 |
91,291
shares
|
$2.26 Million
0.03% of portfolio
|
Q1 2025
Reduced 13.49%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
89,324
shares
|
$2.21 Million
0.0% of portfolio
|
Q1 2025
Reduced 41.9%
|