Advisor Os, LLC Amphastar Pharmaceuticals, Inc. Transaction History
Advisor Os, LLC
- $1.07 Billion
- Q3 2025
A detailed history of Advisor Os, LLC transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Advisor Os, LLC holds 25,405 shares of AMPH stock, worth $662,054. This represents 0.06% of its overall portfolio holdings.
Number of Shares
25,405
Previous 25,405
-0.0%
Holding current value
$662,054
Previous $583,000
16.12%
% of portfolio
0.06%
Previous 0.06%
Shares
4 transactions
Others Institutions Holding AMPH
# of Institutions
263Shares 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...