Purchases and Sales Made in Q2 2025 in Amphastar Pharmaceuticals, Inc. (AMPH)
This table provides information about the institutional ownership of Amphastar Pharmaceuticals, Inc. (AMPH) during Q2 2025. The information is specifically focused on institutions that hold shares of Amphastar Pharmaceuticals, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
11.8K+ 25.96% |
$270K - $333K
|
57.1K
$1.56M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
11.3KNew |
$259K - $319K
|
11.3K
$307K
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
10.5K+ 12.4% |
$241K - $297K
|
95.2K
$2.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
10.3KNew |
$237K - $293K
|
10.3K
$282K
|
|
|
Aug 14, 2025
Q2 2025
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
BUY
|
- |
9.58KNew |
$220K - $271K
|
9.58K
$261K
|
|
|
Aug 12, 2025
Q2 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
BUY
|
- |
6.48K+ 5.45% |
$149K - $183K
|
125K
$3.42M
|
|
|
Aug 08, 2025
Q2 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
6.4K+ 3.01% |
$147K - $181K
|
219K
$5.97M
|
|
|
Aug 14, 2025
Q2 2025
|
Legato Capital Management LLC
|
BUY
|
- |
6.36K+ 21.42% |
$146K - $180K
|
36.1K
$983K
|
|
|
Aug 14, 2025
Q2 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
6.34KNew |
$146K - $179K
|
6.34K
$173K
|
|
|
Aug 12, 2025
Q2 2025
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
6.33K+ 7.11% |
$145K - $179K
|
95.3K
$2.6M
|
|
|
Jul 15, 2025
Q2 2025
|
Significant Wealth Partners LLC
Cary, IL |
BUY
|
- |
5.96K+ 58.37% |
$137K - $169K
|
16.2K
$441K
|
|
|
Aug 12, 2025
Q2 2025
|
Cynosure Management, LLC
Salt Lake City, UT |
BUY
|
- |
5.42K+ 43.7% |
$124K - $153K
|
17.8K
$486K
|
|
|
Jul 25, 2025
Q2 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
BUY
|
- |
4.86K+ 62.49% |
$111K - $137K
|
12.6K
$344K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
4.8K+ 6.37% |
$110K - $136K
|
80.1K
$2.19M
|
|
|
Aug 12, 2025
Q2 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
4.34K+ 11.53% |
$99.6K - $123K
|
42K
$1.14M
|
|
|
Jul 21, 2025
Q2 2025
|
Polaris Capital Management, LLC
Boston, MA |
BUY
|
- |
4.3K+ 13.96% |
$98.7K - $122K
|
35.1K
$957K
|
|
|
Aug 18, 2025
Q2 2025
|
Hohimer Wealth Management, LLC
|
BUY
|
- |
3.84K+ 47.97% |
$88.2K - $109K
|
11.8K
$323K
|
|
|
Jul 25, 2025
Q2 2025
|
Cwm, LLC
|
BUY
|
- |
3.83K+ 573.95% |
$88K - $108K
|
4.5K
$123K
|
|
|
Aug 14, 2025
Q2 2025
|
Skopos Labs, Inc.
Riverhead, NY |
BUY
|
- |
3.63K+ 2435.57% |
$83.3K - $103K
|
3.78K
$103K
|
|
|
Aug 05, 2025
Q2 2025
|
Bank Of Montreal
Toronto, A6 |
BUY
|
- |
3.58K+ 43.68% |
$82.3K - $101K
|
11.8K
$322K
|
|
|
Aug 04, 2025
Q2 2025
|
Assetmark, Inc
|
BUY
|
- |
3.23K+ 7.97% |
$74.1K - $91.3K
|
43.8K
$1.19M
|
|
|
Aug 14, 2025
Q2 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
3.14K+ 28.92% |
$72.2K - $88.9K
|
14K
$382K
|
|
|
Aug 14, 2025
Q2 2025
|
Sei Investments CO
Oaks, PA |
BUY
|
- |
3.08K+ 32.12% |
$70.7K - $87.2K
|
12.7K
$346K
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
BUY
|
- |
2.6K+ 263.02% |
$59.6K - $73.4K
|
3.58K
$97.7K
|
|
|
Aug 08, 2025
Q2 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
BUY
|
- |
1.7K+ 35.54% |
$39K - $48.1K
|
6.48K
$177K
|
|
|
Aug 19, 2025
Q2 2025
|
Cim, LLC
|
BUY
|
- |
1.54K+ 15.58% |
$35.4K - $43.6K
|
11.4K
$312K
|
|
|
Aug 14, 2025
Q2 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
BUY
|
- |
1.5K+ 55.56% |
$34.4K - $42.4K
|
4.2K
$115K
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
1.39K+ 9.16% |
$32K - $39.4K
|
16.6K
$453K
|
|
|
Aug 05, 2025
Q2 2025
|
Simplex Trading, LLC
|
BUY
|
- |
1.38KNew |
$31.7K - $39K
|
1.38K
$37.6K
|
|
|
Aug 04, 2025
Q2 2025
|
Hantz Financial Services, Inc.
|
BUY
|
- |
1.34K+ 3430.77% |
$30.7K - $37.9K
|
1.38K
$37.6K
|
|
|
Aug 04, 2025
Q2 2025
|
Arkadios Wealth Advisors
|
BUY
|
- |
1.2K+ 3.52% |
$27.5K - $33.9K
|
35.2K
$959K
|
|
|
Jul 16, 2025
Q2 2025
|
State Of Alaska, Department Of Revenue
|
BUY
|
- |
1.11K+ 5.35% |
$25.5K - $31.4K
|
21.9K
$597K
|
|
|
Jul 29, 2025
Q2 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
1.08K+ 0.72% |
$24.9K - $30.6K
|
152K
$4.15M
|
|
|
Aug 13, 2025
Q2 2025
|
Advisory Research Inc
Chicago, IL |
BUY
|
- |
1.01K+ 7.26% |
$23.2K - $28.5K
|
14.9K
$406K
|
|
|
Jul 10, 2025
Q2 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
965+ 10.88% |
$22.2K - $27.3K
|
9.83K
$268K
|
|
|
Aug 06, 2025
Q2 2025
|
Sterling Capital Management LLC
Charlotte, NC |
BUY
|
- |
898+ 9.64% |
$20.6K - $25.4K
|
10.2K
$279K
|
|
|
Jul 24, 2025
Q2 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
877+ 75.73% |
$20.1K - $24.8K
|
2.04K
$55.5K
|
|
|
Jul 08, 2025
Q2 2025
|
Massmutual Trust CO Fsb
|
BUY
|
- |
831+ 192.81% |
$19.1K - $23.5K
|
1.26K
$34.4K
|
|
|
Jul 14, 2025
Q2 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
829+ 62.19% |
$19K - $23.5K
|
2.16K
$59K
|
|
|
Aug 07, 2025
Q2 2025
|
Illumine Investment Management, LLC
Poulsbo, WA |
BUY
|
- |
596+ 2.25% |
$13.7K - $16.9K
|
27.1K
$740K
|
|
|
Aug 08, 2025
Q2 2025
|
Commonwealth Of Pennsylvania Public School Empls Retrmt Sys
Harrisburg, PA |
BUY
|
- |
465+ 5.18% |
$10.7K - $13.2K
|
9.44K
$257K
|
|
|
Jul 16, 2025
Q2 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
400+ 45.87% |
$9.18K - $11.3K
|
1.27K
$34.7K
|
|
|
Jul 24, 2025
Q2 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
BUY
|
- |
317+ 21.73% |
$7.28K - $8.97K
|
1.78K
$48.4K
|
|
|
Jul 07, 2025
Q2 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
268+ 75.28% |
$6.15K - $7.58K
|
624
$17K
|
|
|
Aug 13, 2025
Q2 2025
|
Ever Source Wealth Advisors, LLC
|
BUY
|
- |
255+ 6375.0% |
$5.85K - $7.21K
|
259
$7.06K
|
|
|
Jul 31, 2025
Q2 2025
|
Caitong International Asset Management Co., LTD
Hong Kong, K3 |
BUY
|
- |
249+ 202.44% |
$5.72K - $7.04K
|
372
$10.1K
|
|
|
Jul 07, 2025
Q2 2025
|
Parallel Advisors, LLC
|
BUY
|
- |
244+ 420.69% |
$5.6K - $6.9K
|
302
$8.24K
|
|
|
Aug 13, 2025
Q2 2025
|
Jones Financial Companies Lllp
|
BUY
|
- |
236+ 180.15% |
$5.42K - $6.68K
|
367
$10K
|
|
|
Jul 21, 2025
Q2 2025
|
Mirae Asset Global Investments Co., Ltd.
|
BUY
|
- |
212+ 13.18% |
$4.87K - $6K
|
1.82K
$49.7K
|
|
|
Aug 15, 2025
Q2 2025
|
Wealth Collab, LLC
Bellevue, WA |
BUY
|
- |
207New |
$4.75K - $5.86K
|
207
$5.64K
|