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 |
|---|---|---|---|---|---|---|---|
|
Nov 04, 2025
Q3 2025
|
Thrivent Financial For Lutherans
Minneapolis, MN |
SELL
|
- |
-1.21K- 4.47% |
$24.9K - $37.2K
|
25.8K
$673K
|
|
|
Nov 03, 2025
Q3 2025
|
Mirae Asset Global Investments Co., Ltd.
|
SELL
|
- |
-23- 1.26% |
$474 - $709
|
1.8K
$46.9K
|
|
|
Nov 03, 2025
Q3 2025
|
New York State Common Retirement Fund
|
BUY
|
- |
41.8K+ 86.42% |
$862K - $1.29M
|
90.2K
$2.35M
|
|
|
Nov 03, 2025
Q3 2025
|
Summer Haven Investment Management, LLC
|
BUY
|
- |
38.2KNew |
$788K - $1.18M
|
38.2K
$995K
|
|
|
Nov 03, 2025
Q3 2025
|
Arizona State Retirement System
|
BUY
|
- |
55+ 0.5% |
$1.13K - $1.69K
|
11.1K
$290K
|
|
|
Nov 03, 2025
Q3 2025
|
Quest Partners LLC
New York, NY |
SELL
|
- |
-20.3K- 70.31% |
$419K - $626K
|
8.58K
$223K
|
|
|
Nov 03, 2025
Q3 2025
|
Significant Wealth Partners LLC
Cary, IL |
BUY
|
- |
4.4K+ 27.2% |
$90.7K - $136K
|
20.6K
$536K
|
|
|
Oct 31, 2025
Q3 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
SELL
|
- |
-1.62K- 12.83% |
$33.4K - $49.9K
|
11K
$287K
|
|
|
Oct 31, 2025
Q3 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
7.36K+ 41.54% |
$152K - $227K
|
25.1K
$654K
|
|
|
Oct 30, 2025
Q3 2025
|
Covestor LTD
Boston, MA |
SELL
|
- |
-10- 15.15% |
$206 - $308
|
56
$1.46K
|
|
|
Oct 30, 2025
Q3 2025
|
Parkside Financial Bank & Trust
|
BUY
|
- |
37+ 27.21% |
$763 - $1.14K
|
173
$4.51K
|
|
|
Oct 30, 2025
Q3 2025
|
Teacher Retirement System Of Texas
Austin, TX |
SELL
|
- |
-895- 8.73% |
$18.5K - $27.6K
|
9.36K
$244K
|
|
|
Oct 29, 2025
Q3 2025
|
Arkadios Wealth Advisors
|
BUY
|
- |
845+ 2.4% |
$17.4K - $26K
|
36K
$938K
|
|
|
Oct 29, 2025
Q3 2025
|
Amalgamated Bank
New York, NY |
SELL
|
- |
-55- 0.52% |
$1.13K - $1.69K
|
10.5K
$273K
|
|
|
Oct 28, 2025
Q3 2025
|
Pinnacle Financial Partners Inc
|
SELL
|
- |
-1KClosed |
$20.6K - $30.8K
|
0
$0
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
21.6K+ 96.44% |
$446K - $667K
|
44.1K
$1.15M
|
|
|
Oct 28, 2025
Q3 2025
|
Richardson Financial Services Inc.
Medway, MA |
BUY
|
- |
611New |
$12.6K - $18.8K
|
611
$15.9K
|
|
|
Oct 28, 2025
Q3 2025
|
Wolverine Asset Management LLC
|
BUY
|
- |
4.74KNew |
$97.8K - $146K
|
4.74K
$124K
|
|
|
Oct 28, 2025
Q3 2025
|
Wolverine Asset Management LLC
|
BUY
|
PUT |
400+ 133.33% |
$8.25K - $12.3K
|
700
$18.2K
|
|
|
Oct 27, 2025
Q3 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
1.34K+ 0.88% |
$27.5K - $41.2K
|
153K
$4M
|
|
|
Oct 27, 2025
Q3 2025
|
Janney Montgomery Scott LLC
|
BUY
|
- |
13.4KNew |
$276K - $413K
|
13.4K
$349K
|
|
|
Oct 27, 2025
Q3 2025
|
Polaris Capital Management, LLC
Boston, MA |
SELL
|
- |
-22K- 62.68% |
$454K - $678K
|
13.1K
$341K
|
|
|
Oct 27, 2025
Q3 2025
|
Td Private Client Wealth LLC
New York, NY |
SELL
|
- |
-1.22K- 72.04% |
$25.2K - $37.6K
|
474
$12.4K
|
|
|
Oct 27, 2025
Q3 2025
|
Versant Capital Management, Inc
|
SELL
|
- |
-333- 53.37% |
$6.87K - $10.3K
|
291
$7.58K
|
|
|
Oct 24, 2025
Q3 2025
|
New York State Teachers Retirement System
|
SELL
|
- |
-404- 1.7% |
$8.33K - $12.4K
|
23.3K
$608K
|
|
|
Oct 24, 2025
Q3 2025
|
Avion Wealth
The Woodlands, TX |
BUY
|
- |
64+ 106.67% |
$1.32K - $1.97K
|
124
$3.23K
|
|
|
Oct 23, 2025
Q3 2025
|
Cx Institutional
|
SELL
|
- |
-200K- 75.95% |
$4.12M - $6.16M
|
63.3K
$1.65M
|
|
|
Oct 23, 2025
Q3 2025
|
Spire Wealth Management
|
BUY
|
- |
5+ 2.36% |
$103 - $154
|
217
$5.66K
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
BUY
|
- |
255+ 68.18% |
$5.26K - $7.86K
|
629
$16.4K
|
|
|
Oct 23, 2025
Q3 2025
|
State Of Alaska, Department Of Revenue
|
SELL
|
- |
-1.1K- 5.04% |
$22.8K - $34K
|
20.8K
$542K
|
|
|
Oct 23, 2025
Q3 2025
|
Oregon Public Employees Retirement Fund
|
SELL
|
- |
-400- 4.74% |
$8.25K - $12.3K
|
8.04K
$210K
|
|
|
Oct 22, 2025
Q3 2025
|
Louisiana State Employees Retirement System
|
SELL
|
- |
-700- 4.07% |
$14.4K - $21.6K
|
16.5K
$430K
|
|
|
Oct 22, 2025
Q3 2025
|
Commonwealth Equity Services, LLC
|
BUY
|
- |
7.86KNew |
$162K - $242K
|
7.86K
$205K
|
|
|
Oct 22, 2025
Q3 2025
|
Core Cap Advisors, LLC
Southfield, MI |
BUY
|
- |
48+ 81.36% |
$990 - $1.48K
|
107
$2.79K
|
|
|
Oct 22, 2025
Q3 2025
|
Massmutual Trust CO Fsb
|
SELL
|
- |
-335- 26.55% |
$6.91K - $10.3K
|
927
$24.2K
|
|
|
Oct 21, 2025
Q3 2025
|
Steel Peak Wealth Management LLC
|
SELL
|
- |
-100- 0.18% |
$2.06K - $3.08K
|
55.7K
$1.45M
|
|
|
Oct 21, 2025
Q3 2025
|
Signaturefd, LLC
Atlanta, GA |
SELL
|
- |
-750- 58.96% |
$15.5K - $23.1K
|
522
$13.6K
|
|
|
Oct 21, 2025
Q3 2025
|
Global Retirement Partners, LLC
|
BUY
|
- |
703+ 219.0% |
$14.5K - $21.7K
|
1.02K
$26.7K
|
|
|
Oct 20, 2025
Q3 2025
|
Salomon & Ludwin, LLC
|
BUY
|
- |
377New |
$7.77K - $11.6K
|
377
$9.82K
|
|
|
Oct 20, 2025
Q3 2025
|
High Mark Wealth Management LLC
|
BUY
|
- |
35+ 175.0% |
$722 - $1.08K
|
55
$1.43K
|
|
|
Oct 20, 2025
Q3 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
18.9KNew |
$391K - $583K
|
18.9K
$494K
|
|
|
Oct 20, 2025
Q3 2025
|
Virginia Retirement Systems Et Al
Richmond, VA |
BUY
|
- |
4.8K+ 54.78% |
$99K - $148K
|
13.6K
$353K
|
|
|
Oct 17, 2025
Q3 2025
|
Boston Trust Walden Corp
|
SELL
|
- |
-3.35K- 0.28% |
$69K - $103K
|
1.17M
$30.6M
|
|
|
Oct 17, 2025
Q3 2025
|
Private Wealth Management Group, LLC
Princeton, NJ |
SELL
|
- |
-152- 84.92% |
$3.13K - $4.68K
|
27
$704
|
|
|
Oct 17, 2025
Q3 2025
|
Farmers & Merchants Investments Inc
|
SELL
|
- |
-3- 10.71% |
$61.9 - $92.4
|
25
$652
|
|
|
Oct 16, 2025
Q3 2025
|
Capital Advisors, Ltd. LLC
|
BUY
|
- |
8New |
$165 - $246
|
8
$208
|
|
|
Oct 16, 2025
Q3 2025
|
Rice Hall James & Associates, LLC
|
BUY
|
- |
129KNew |
$2.67M - $3.98M
|
129K
$3.37M
|
|
|
Oct 16, 2025
Q3 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
SELL
|
- |
-8- 0.45% |
$165 - $246
|
1.77K
$46.1K
|
|
|
Oct 15, 2025
Q3 2025
|
Pacer Advisors, Inc.
Malvern, PA |
SELL
|
- |
-320K- 98.16% |
$6.6M - $9.86M
|
6K
$156K
|
|
|
Oct 15, 2025
Q3 2025
|
Cwm, LLC
|
SELL
|
- |
-2.99K- 66.5% |
$61.7K - $92.2K
|
1.51K
$39.3K
|
|