A detailed history of Brevan Howard Capital Management LP transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Brevan Howard Capital Management LP holds 13,489 shares of AMPH stock, worth $351,523. This represents 0.0% of its overall portfolio holdings.

Number of Shares
13,489
Previous 48,920 72.43%
Holding current value
$351,523
Previous $1.12 Million 68.03%
% of portfolio
0.0%
Previous 0.01%

Shares

5 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

SELL
$20.62 - $30.81 $730,587 - $1.09 Million
-35,431 Reduced 72.43%
13,489 $359,000
Q2 2025

Aug 14, 2025

BUY
$22.96 - $28.29 $926,091 - $1.14 Million
40,335 Added 469.83%
48,920 $1.12 Million
Q1 2025

May 15, 2025

BUY
$26.24 - $38.48 $44,083 - $64,646
1,680 Added 24.33%
8,585 $248,000
Q4 2024

Feb 14, 2025

BUY
$36.84 - $53.4 $254,380 - $368,727
6,905 New
6,905 $256,000
Q1 2024

May 15, 2024

BUY
$42.85 - $63.45 $236,274 - $349,863
5,514 New
5,514 $242,000

Others Institutions Holding AMPH

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...
More about AMPH
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