Boston Trust Walden Corp Amphastar Pharmaceuticals, Inc. Transaction History
Boston Trust Walden Corp
- $13.4 Billion
- Q3 2025
A detailed history of Boston Trust Walden Corp transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Boston Trust Walden Corp holds 1,173,107 shares of AMPH stock, worth $30.6 Million. This represents 0.23% of its overall portfolio holdings.
Number of Shares
1,173,107
Previous 1,176,453
0.28%
Holding current value
$30.6 Million
Previous $27 Million
15.74%
% of portfolio
0.23%
Previous 0.2%
Shares
5 transactions
Others Institutions Holding AMPH
# of Institutions
262Shares Held
33.5MCall Options Held
73.4KPut Options Held
12.6K-
Black Rock Inc. New York, NY5.94MShares$155 Million0.01% of portfolio
-
Vanguard Group Inc Valley Forge, PA2.63MShares$68.6 Million0.0% of portfolio
-
Td Asset Management Inc1.93MShares$50.3 Million0.05% of portfolio
-
Dimensional Fund Advisors LP Austin, TX1.76MShares$45.8 Million0.01% of portfolio
-
State Street Corp Boston, MA1.5MShares$39.1 Million0.0% of portfolio
About Amphastar Pharmaceuticals, Inc.
- Ticker AMPH
- Exchange NASDAQ
- Sector Healthcare
- Industry Drug Manufacturers—Specialty & Generic
- Shares Outstandng 49,015,200
- Market Cap $1.28B
- Description
- Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-count...