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 |
|---|---|---|---|---|---|
|
Friess Associates LLC
Greenville, DE |
Aug 15, 2022 Q2 2022 |
97,760
shares
|
$2.55 Million
5.68% of portfolio
|
Q2 2022
Reduced 36.69%
|
|
|
Legal & General Group PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
97,614
shares
|
$2.54 Million
0.0% of portfolio
|
Q3 2025
Reduced 3.5%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
95,665
shares
|
$2.49 Million
0.0% of portfolio
|
Q4 2024
Reduced 54.0%
|
|
|
New York State Common Retirement Fund
|
Nov 03, 2025 Q3 2025 |
90,169
shares
|
$2.35 Million
0.0% of portfolio
|
Q3 2025
Added 86.42%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
90,129
shares
|
$2.35 Million
0.0% of portfolio
|
Q3 2025
Reduced 5.41%
|
|
|
Jefferies Financial Group Inc.
New York, NY |
Nov 12, 2025 Q3 2025 |
89,233
shares
|
$2.33 Million
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Hrt Financial LP
New York, NY |
Nov 14, 2025 Q3 2025 |
77,746
shares
|
$2.03 Million
0.01% of portfolio
|
Q3 2025
Added 84.76%
|
|
|
Nuveen, LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
77,703
shares
|
$2.02 Million
0.0% of portfolio
|
Q3 2025
Reduced 4.24%
|
|
|
Lsv Asset Management
Chicago, IL |
Nov 06, 2025 Q3 2025 |
73,300
shares
|
$1.91 Million
0.0% of portfolio
|
Q3 2025
Added 69.68%
|
|
|
Swiss National Bank
Zurich, V8 |
Nov 13, 2025 Q3 2025 |
72,600
shares
|
$1.89 Million
0.0% of portfolio
|
Q3 2025
Reduced 2.55%
|
|
|
O'Shaughnessy Asset Management, LLC
Stamford, CT |
Nov 13, 2025 Q3 2025 |
69,058
shares
|
$1.8 Million
0.01% of portfolio
|
Q3 2025
Added 71.32%
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
66,494
shares
|
$1.73 Million
0.0% of portfolio
|
Q3 2025
Reduced 19.0%
|
|
|
Cx Institutional
|
Oct 23, 2025 Q3 2025 |
63,316
shares
|
$1.65 Million
0.05% of portfolio
|
Q3 2025
Reduced 75.95%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
62,145
shares
|
$1.62 Million
0.0% of portfolio
|
Q3 2025
Reduced 18.06%
|
|
|
Assetmark, Inc
|
Nov 06, 2025 Q3 2025 |
56,487
shares
|
$1.47 Million
0.0% of portfolio
|
Q3 2025
Added 29.07%
|
|
|
Steel Peak Wealth Management LLC
|
Oct 21, 2025 Q3 2025 |
55,695
shares
|
$1.45 Million
0.05% of portfolio
|
Q3 2025
Reduced 0.18%
|
|
|
Creative Planning
Overland Park, KS |
Nov 14, 2025 Q3 2025 |
55,115
shares
|
$1.44 Million
0.0% of portfolio
|
Q3 2025
Added 29.32%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Nov 14, 2025 Q3 2025 |
54,335
shares
|
$1.42 Million
0.0% of portfolio
|
Q3 2025
Reduced 41.98%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
51,312
shares
|
$1.34 Million
0.0% of portfolio
|
Q4 2023
Reduced 0.34%
|
|
|
Intech Investment Management LLC
West Palm Beach, FL |
Nov 10, 2025 Q3 2025 |
51,160
shares
|
$1.33 Million
0.01% of portfolio
|
Q3 2025
Added 0.17%
|
|
|
Alliancebernstein L.P.
New York, NY |
Nov 14, 2025 Q3 2025 |
50,630
shares
|
$1.32 Million
0.0% of portfolio
|
Q4 2024
Added 1.79%
|
|
|
Royal Bank Of Canada
Toronto, A6 |
Nov 14, 2025 Q3 2025 |
49,671
shares
|
$1.29 Million
0.0% of portfolio
|
Q2 2025
Added 1122.12%
|
|
|
Squarepoint Ops LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
49,310
shares
|
$1.29 Million
0.0% of portfolio
|
Q3 2025
Added 114.15%
|
|
|
Prudential Financial Inc
Newark, NJ |
Nov 13, 2025 Q3 2025 |
47,429
shares
|
$1.24 Million
0.0% of portfolio
|
Q3 2025
Added 13.06%
|
|
|
Quantedge Capital Pte LTD
Singapore, U0 |
Nov 14, 2025 Q3 2025 |
45,100
shares
|
$1.18 Million
0.66% of portfolio
|
Q3 2025
New holding
|
|