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 263 institutions that hold shares in the stock, with a total of 33.5 Million shares, which have been reported (via 13F filing form) to have a value of $873 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Nov 14, 2025 Q3 2025 |
292,443
shares
|
$7.62 Million
0.03% of portfolio
|
Q3 2025
Reduced 10.16%
|
|
|
American Century Companies Inc
Kansas City, MO |
Nov 12, 2025 Q3 2025 |
288,585
shares
|
$7.52 Million
0.0% of portfolio
|
Q3 2025
Added 23.77%
|
|
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
Nov 14, 2025 Q3 2025 |
283,674
shares
|
$7.39 Million
0.05% of portfolio
|
Q3 2025
New holding
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
275,222
shares
|
$7.17 Million
0.0% of portfolio
|
Q3 2025
Added 0.71%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 26, 2025 Q3 2025 |
253,232
shares
|
$6.6 Million
0.0% of portfolio
|
Q3 2025
Added 278.64%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
241,228
shares
|
$6.29 Million
0.0% of portfolio
|
Q3 2025
Reduced 32.29%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
241,212
shares
|
$6.29 Million
0.01% of portfolio
|
Q3 2025
Reduced 48.62%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
226,775
shares
|
$5.91 Million
0.0% of portfolio
|
Q3 2025
Reduced 22.43%
|
|
|
Victory Capital Management Inc
|
Nov 12, 2025 Q3 2025 |
211,800
shares
|
$5.52 Million
0.0% of portfolio
|
Q3 2025
Added 175.56%
|
|
|
Principal Financial Group Inc
Des Moines, IA |
Nov 04, 2025 Q3 2025 |
205,678
shares
|
$5.36 Million
0.0% of portfolio
|
Q3 2025
Reduced 6.1%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
Oct 27, 2025 Q3 2025 |
153,351
shares
|
$4 Million
0.0% of portfolio
|
Q3 2025
Added 0.88%
|
|
|
First Trust Advisors LP
Wheaton, IL |
Nov 12, 2025 Q3 2025 |
150,422
shares
|
$3.92 Million
0.0% of portfolio
|
Q3 2025
Added 59.51%
|
|
|
Empowered Funds, LLC
|
Nov 13, 2025 Q3 2025 |
149,795
shares
|
$3.9 Million
0.04% of portfolio
|
Q3 2025
Added 76.0%
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
148,459
shares
|
$3.87 Million
0.0% of portfolio
|
Q3 2025
Reduced 7.26%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
141,852
shares
|
$3.7 Million
0.01% of portfolio
|
Q3 2025
Reduced 46.73%
|
|
|
Public Sector Pension Investment Board
Montreal, A8 |
Nov 06, 2025 Q3 2025 |
139,675
shares
|
$3.64 Million
0.01% of portfolio
|
Q3 2025
Added 11.42%
|
|
|
Bridge City Capital, LLC
Lake Oswego, OR |
Nov 12, 2025 Q3 2025 |
136,258
shares
|
$3.55 Million
0.99% of portfolio
|
Q3 2025
Reduced 1.72%
|
|
|
Denali Advisors LLC
|
Nov 07, 2025 Q3 2025 |
135,000
shares
|
$3.52 Million
0.42% of portfolio
|
Q3 2025
New holding
|
|
|
Lam Group, Inc.
Lake Oswego, OR |
Oct 23, 2025 Q3 2025 |
130,800
shares
|
$3.41 Million
2.45% of portfolio
|
Q4 2023
Added 2.19%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
129,841
shares
|
$3.38 Million
0.0% of portfolio
|
Q3 2025
Reduced 23.56%
|
|
|
Rice Hall James & Associates, LLC
|
Oct 16, 2025 Q3 2025 |
129,339
shares
|
$3.37 Million
0.2% of portfolio
|
Q3 2025
New holding
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
127,097
shares
|
$3.31 Million
0.0% of portfolio
|
Q3 2025
Reduced 12.42%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Nov 14, 2025 Q3 2025 |
118,187
shares
|
$3.08 Million
0.0% of portfolio
|
Q3 2025
Added 0.91%
|
|
|
Raymond James & Associates
St Petersburg, FL |
Oct 18, 2024 Q3 2024 |
116,677
shares
|
$3.04 Million
0.0% of portfolio
|
Q3 2024
Added 1.71%
|
|
|
Two Sigma Investments, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
98,678
shares
|
$2.57 Million
0.0% of portfolio
|
Q3 2025
Added 23.15%
|
|