Ken Griffin Amphastar Pharmaceuticals, Inc. Transaction History
Citadel Advisors LLC
- $550 Billion
- Q2 2025
A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 292,345 shares of AMPH stock, worth $8.87 Million. This represents 0.0% of its overall portfolio holdings.
Number of Shares
292,345
Previous 20,800
1305.5%
Holding current value
$8.87 Million
Previous $602,000
1014.95%
% of portfolio
0.0%
Previous 0.0%
Shares
28 transactions
Others Institutions Holding AMPH
# of Institutions
256Shares Held
33.3MCall Options Held
18.3KPut Options Held
12.6K-
Black Rock Inc. New York, NY5.94MShares$180 Million0.01% of portfolio
-
Vanguard Group Inc Valley Forge, PA2.69MShares$81.5 Million0.0% of portfolio
-
Td Asset Management Inc2.03MShares$61.8 Million0.04% of portfolio
-
Dimensional Fund Advisors LP Austin, TX1.63MShares$49.4 Million0.01% of portfolio
-
State Street Corp Boston, MA1.58MShares$47.8 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 $1.49B
- 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...