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 |
|---|---|---|---|---|---|---|---|
|
Jul 14, 2025
Q2 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
829+ 62.19% |
$19K - $23.5K
|
2.16K
$48.5K
|
|
|
Jul 11, 2025
Q2 2025
|
Uma Financial Services, Inc.
|
BUY
|
- |
41New |
$941 - $1.16K
|
41
$920
|
|
|
Jul 11, 2025
Q2 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
72+ 53.33% |
$1.65K - $2.04K
|
207
$4.65K
|
|
|
Jul 11, 2025
Q2 2025
|
Cx Institutional
|
BUY
|
- |
181K+ 220.5% |
$4.16M - $5.12M
|
263K
$5.91M
|
|
|
Jul 11, 2025
Q2 2025
|
Umb Bank, N.A.
|
SELL
|
- |
-208- 91.63% |
$4.78K - $5.88K
|
19
$426
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
1.39K+ 9.16% |
$32K - $39.4K
|
16.6K
$373K
|
|
|
Jul 10, 2025
Q2 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
965+ 10.88% |
$22.2K - $27.3K
|
9.83K
$221K
|
|
|
Jul 09, 2025
Q2 2025
|
Harbor Capital Advisors, Inc.
|
BUY
|
- |
39+ 17.18% |
$895 - $1.1K
|
266
$5.97K
|
|
|
Jul 08, 2025
Q2 2025
|
Massmutual Trust CO Fsb
|
BUY
|
- |
831+ 192.81% |
$19.1K - $23.5K
|
1.26K
$28.3K
|
|
|
Jul 07, 2025
Q2 2025
|
Parallel Advisors, LLC
|
BUY
|
- |
244+ 420.69% |
$5.6K - $6.9K
|
302
$6.78K
|
|
|
Jul 07, 2025
Q2 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
268+ 75.28% |
$6.15K - $7.58K
|
624
$14K
|
|
| Q1 2025 | |||||||
|
Jun 05, 2025
Q1 2025
|
Cim, LLC
|
SELL
|
- |
-190- 1.89% |
$4.99K - $7.31K
|
9.89K
$222K
|
|
|
May 28, 2025
Q1 2025
|
Jones Financial Companies Lllp
|
SELL
|
- |
-9.38K- 98.62% |
$246K - $361K
|
131
$2.94K
|
|
|
May 20, 2025
Q1 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
18.1K+ 43.01% |
$476K - $698K
|
60.3K
$1.35M
|
|
|
May 19, 2025
Q1 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
SELL
|
- |
-4.14K- 4.98% |
$109K - $159K
|
79.1K
$1.77M
|
|
|
May 15, 2025
Q1 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
1.36K+ 8.08% |
$35.6K - $52.2K
|
18.1K
$407K
|
|
|
May 15, 2025
Q1 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
52.1K+ 294.98% |
$1.37M - $2.01M
|
69.8K
$1.57M
|
|
|
May 15, 2025
Q1 2025
|
Silvercrest Asset Management Group LLC
New York, NY |
SELL
|
- |
-958- 0.57% |
$25.1K - $36.9K
|
166K
$3.72M
|
|
|
May 15, 2025
Q1 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-5.4K- 4.82% |
$142K - $208K
|
107K
$2.39M
|
|
|
May 15, 2025
Q1 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-110K- 17.4% |
$2.89M - $4.23M
|
522K
$11.7M
|
|
|
May 15, 2025
Q1 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-17.8K- 21.04% |
$468K - $686K
|
67K
$1.5M
|
|
|
May 15, 2025
Q1 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
86.4KNew |
$2.27M - $3.32M
|
86.4K
$1.94M
|
|
|
May 15, 2025
Q1 2025
|
Royal Bank Of Canada
Toronto, A6 |
SELL
|
- |
-2.55K- 8.92% |
$67K - $98.2K
|
26.1K
$585K
|
|
|
May 15, 2025
Q1 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
162KNew |
$4.25M - $6.24M
|
162K
$3.64M
|
|
|
May 15, 2025
Q1 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
9.44K+ 32.42% |
$248K - $363K
|
38.5K
$865K
|
|
|
May 15, 2025
Q1 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-64.9K- 34.3% |
$1.7M - $2.5M
|
124K
$2.79M
|
|
|
May 15, 2025
Q1 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-1.43K- 6.73% |
$37.5K - $55.1K
|
19.8K
$445K
|
|
|
May 15, 2025
Q1 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-158- 13.8% |
$4.15K - $6.08K
|
987
$22.1K
|
|
|
May 15, 2025
Q1 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
8.5K+ 0.53% |
$223K - $327K
|
1.6M
$36M
|
|
|
May 15, 2025
Q1 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
423K+ 69.49% |
$11.1M - $16.3M
|
1.03M
$23.2M
|
|
|
May 15, 2025
Q1 2025
|
Frontier Capital Management CO LLC
|
SELL
|
- |
-3.73K- 3.03% |
$97.9K - $144K
|
120K
$2.68M
|
|
|
May 15, 2025
Q1 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
144K+ 124.63% |
$3.77M - $5.53M
|
259K
$5.81M
|
|
|
May 15, 2025
Q1 2025
|
Pathstone Holdings, LLC
Englewood, NJ |
BUY
|
- |
634+ 6.54% |
$16.6K - $24.4K
|
10.3K
$232K
|
|
|
May 15, 2025
Q1 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
SELL
|
- |
-3.78K- 10.79% |
$99.3K - $146K
|
31.3K
$702K
|
|
|
May 15, 2025
Q1 2025
|
State Of Wisconsin Investment Board
Madison, WI |
SELL
|
- |
-57- 0.22% |
$1.5K - $2.19K
|
25.6K
$574K
|
|
|
May 15, 2025
Q1 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
BUY
|
- |
613+ 2.8% |
$16.1K - $23.6K
|
22.5K
$505K
|
|
|
May 15, 2025
Q1 2025
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-22.9K- 23.28% |
$600K - $879K
|
75.3K
$1.69M
|
|
|
May 15, 2025
Q1 2025
|
Aristeia Capital LLC
Greenwich, CT |
SELL
|
- |
-9.4K- 21.74% |
$247K - $362K
|
33.8K
$759K
|
|
|
May 15, 2025
Q1 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
21.8KNew |
$572K - $839K
|
21.8K
$489K
|
|
|
May 15, 2025
Q1 2025
|
Twinbeech Capital LP
Purchase, NY |
SELL
|
- |
-2.81K- 6.01% |
$73.8K - $108K
|
44K
$987K
|
|
|
May 15, 2025
Q1 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
72.6K+ 50.59% |
$1.9M - $2.79M
|
216K
$4.85M
|
|
|
May 15, 2025
Q1 2025
|
Numerai Gp LLC
San Francisco, CA |
BUY
|
- |
34KNew |
$892K - $1.31M
|
34K
$763K
|
|
|
May 15, 2025
Q1 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
2.16K+ 12.03% |
$56.7K - $83.2K
|
20.1K
$452K
|
|
|
May 15, 2025
Q1 2025
|
Bell Investment Advisors, Inc
Oakland, CA |
SELL
|
- |
-12- 44.44% |
$315 - $462
|
15
$337
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
3.7K+ 46.84% |
$97.1K - $142K
|
11.6K
$260K
|
|
|
May 15, 2025
Q1 2025
|
Graham Capital Management, L.P.
Rowayton, CT |
BUY
|
- |
26.4KNew |
$693K - $1.02M
|
26.4K
$593K
|
|
|
May 15, 2025
Q1 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
612K+ 238.54% |
$16.1M - $23.5M
|
869K
$19.5M
|
|
|
May 15, 2025
Q1 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
20.1K+ 154723.08% |
$528K - $774K
|
20.1K
$452K
|
|
|
May 15, 2025
Q1 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
SELL
|
- |
-17.6K- 61.79% |
$461K - $676K
|
10.9K
$244K
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
15.6K+ 11.09% |
$408K - $599K
|
156K
$3.5M
|
|