Advisory Research Inc Amphastar Pharmaceuticals, Inc. Transaction History
Advisory Research Inc
- $713 Million
- Q3 2025
A detailed history of Advisory Research Inc transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Advisory Research Inc holds 15,468 shares of AMPH stock, worth $403,096. This represents 0.06% of its overall portfolio holdings.
Number of Shares
15,468
Previous 14,898
3.83%
Holding current value
$403,096
Previous $342,000
20.47%
% of portfolio
0.06%
Previous 0.06%
Shares
12 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...