Latest Institutional Transactions on Amphastar Pharmaceuticals, Inc. (AMPH)
This table provides information on the latest institutional transactions involving Amphastar Pharmaceuticals, Inc. (AMPH) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Dec 15, 2025
Q3 2025
|
Fny Investment Advisers, LLC
|
BUY
|
- |
1KNew |
$20.6K - $30.8K
|
1K
$26.1K
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
SELL
|
- |
-70- 4.53% |
$1.44K - $2.16K
|
1.48K
$38.4K
|
|
|
Dec 02, 2025
Q3 2025
|
Ifp Advisors, Inc
|
SELL
|
- |
-666- 32.73% |
$13.7K - $20.5K
|
1.37K
$35.7K
|
|
|
Nov 21, 2025
Q3 2025
|
Bell Investment Advisors, Inc
Oakland, CA |
BUY
|
- |
16New |
$330 - $493
|
16
$417
|
|
|
Nov 21, 2025
Q3 2025
|
Cibc Private Wealth Group, LLC
|
SELL
|
- |
-76- 9.54% |
$1.57K - $2.34K
|
721
$18.8K
|
|
|
Nov 19, 2025
Q3 2025
|
Sunbelt Securities, Inc.
Houston, TX |
BUY
|
- |
22New |
$454 - $678
|
22
$573
|
|
|
Nov 19, 2025
Q3 2025
|
Caitong International Asset Management Co., LTD
Hong Kong, K3 |
SELL
|
- |
-369- 99.19% |
$7.61K - $11.4K
|
3
$78.2
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
SELL
|
- |
-72.4K- 76.05% |
$1.49M - $2.23M
|
22.8K
$594K
|
|
|
Nov 14, 2025
Q3 2025
|
Public Employees Retirement System Of Ohio
Columbus, OH |
BUY
|
- |
54+ 13.04% |
$1.11K - $1.66K
|
468
$12.2K
|
|
|
Nov 14, 2025
Q3 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-2.76K- 77.06% |
$56.9K - $85.1K
|
822
$21.4K
|
|
|
Nov 14, 2025
Q3 2025
|
State Of Wisconsin Investment Board
Madison, WI |
SELL
|
- |
-4K- 15.78% |
$82.4K - $123K
|
21.3K
$556K
|
|
|
Nov 14, 2025
Q3 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-926- 4.96% |
$19.1K - $28.5K
|
17.8K
$463K
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-40K- 23.56% |
$825K - $1.23M
|
130K
$3.38M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
SELL
|
- |
-124K- 46.73% |
$2.57M - $3.83M
|
142K
$3.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
227K+ 266.97% |
$4.69M - $7M
|
312K
$8.14M
|
|
|
Nov 14, 2025
Q3 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
1.99K+ 17.67% |
$41.1K - $61.3K
|
13.3K
$346K
|
|
|
Nov 14, 2025
Q3 2025
|
Quarry LP
New York, NY |
BUY
|
- |
1.18KNew |
$24.4K - $36.4K
|
1.18K
$30.8K
|
|
|
Nov 14, 2025
Q3 2025
|
Ci Private Wealth, LLC
Miami, FL |
BUY
|
- |
15.7KNew |
$324K - $484K
|
15.7K
$410K
|
|
|
Nov 14, 2025
Q3 2025
|
Vident Advisory, LLC
Alpharetta, GA |
BUY
|
- |
1.15K+ 6.67% |
$23.8K - $35.5K
|
18.4K
$480K
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
1.93K+ 0.71% |
$39.9K - $59.6K
|
275K
$7.17M
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
18.5K+ 23.15% |
$382K - $571K
|
98.7K
$2.57M
|
|
|
Nov 14, 2025
Q3 2025
|
Rockefeller Capital Management L.P.
New York, NY |
BUY
|
- |
423New |
$8.72K - $13K
|
423
$11K
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
35.7K+ 84.76% |
$735K - $1.1M
|
77.7K
$2.03M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-75.5K- 4.79% |
$1.56M - $2.33M
|
1.5M
$39.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
26.3K+ 114.15% |
$542K - $810K
|
49.3K
$1.29M
|
|
|
Nov 14, 2025
Q3 2025
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
BUY
|
- |
284KNew |
$5.85M - $8.74M
|
284K
$7.39M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
- |
-228K- 48.62% |
$4.71M - $7.03M
|
241K
$6.29M
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
1.58K+ 10.12% |
$32.6K - $48.7K
|
17.2K
$448K
|
|
|
Nov 14, 2025
Q3 2025
|
Cim, LLC
|
BUY
|
- |
199+ 1.74% |
$4.1K - $6.13K
|
11.6K
$303K
|
|
|
Nov 14, 2025
Q3 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
16.4K+ 107.5% |
$338K - $505K
|
31.6K
$824K
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
SELL
|
- |
-39.3K- 41.98% |
$811K - $1.21M
|
54.3K
$1.42M
|
|
|
Nov 14, 2025
Q3 2025
|
Mml Investors Services, LLC
Springfield, MA |
BUY
|
- |
8.46KNew |
$174K - $261K
|
8.46K
$221K
|
|
|
Nov 14, 2025
Q3 2025
|
Quantedge Capital Pte LTD
Singapore, U0 |
BUY
|
- |
45.1KNew |
$930K - $1.39M
|
45.1K
$1.18M
|
|
|
Nov 14, 2025
Q3 2025
|
Hughes Financial Services, LLC
Herndon, VA |
BUY
|
- |
24New |
$495 - $739
|
24
$625
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
SELL
|
- |
-89K- 87.62% |
$1.83M - $2.74M
|
12.6K
$328K
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-13.7K- 18.06% |
$282K - $422K
|
62.1K
$1.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
12.1K+ 59.53% |
$249K - $372K
|
32.4K
$844K
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
SELL
|
- |
-35.4K- 72.43% |
$731K - $1.09M
|
13.5K
$352K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-65.6K- 22.43% |
$1.35M - $2.02M
|
227K
$5.91M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-400- 3.25% |
$8.25K - $12.3K
|
11.9K
$310K
|
|
|
Nov 14, 2025
Q3 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
12.5K+ 29.32% |
$258K - $385K
|
55.1K
$1.44M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
78.8K+ 12.73% |
$1.62M - $2.43M
|
698K
$18.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-33.1K- 10.16% |
$682K - $1.02M
|
292K
$7.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
157+ 193.83% |
$3.24K - $4.84K
|
238
$6.2K
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-3.1K- 15.22% |
$63.8K - $95.4K
|
17.2K
$449K
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
1.07K+ 0.91% |
$22K - $32.9K
|
118K
$3.08M
|
|
|
Nov 14, 2025
Q3 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
1.35K+ 9.63% |
$27.8K - $41.6K
|
15.4K
$400K
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
223K+ 75.97% |
$4.6M - $6.88M
|
517K
$13.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
269K+ 216.12% |
$5.54M - $8.28M
|
393K
$10.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-115K- 32.29% |
$2.37M - $3.54M
|
241K
$6.29M
|
|