A detailed history of Pdt Partners, LLC transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Pdt Partners, LLC holds 14,630 shares of AMPH stock, worth $381,257. This represents 0.03% of its overall portfolio holdings.

Number of Shares
14,630
Previous 14,630 -0.0%
Holding current value
$381,257
Previous $335,000 16.12%
% of portfolio
0.03%
Previous 0.02%

Shares

8 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2025

Aug 14, 2025

BUY
$22.96 - $28.29 $335,904 - $413,882
14,630 New
14,630 $335,000
Q4 2024

Feb 14, 2025

BUY
$36.84 - $53.4 $342,612 - $496,620
9,300 Added 11.46%
90,484 $3.36 Million
Q3 2024

Nov 14, 2024

BUY
$36.99 - $50.09 $2.64 Million - $3.58 Million
71,482 Added 736.78%
81,184 $3.94 Million
Q2 2024

Aug 15, 2024

BUY
$38.65 - $43.48 $374,982 - $421,842
9,702 New
9,702 $388,000
Q2 2022

Aug 15, 2022

BUY
$29.79 - $42.29 $608,162 - $863,350
20,415 Added 59.36%
54,804 $1.91 Million
Q1 2022

May 16, 2022

BUY
$22.96 - $36.45 $21,352 - $33,898
930 Added 2.78%
34,389 $1.24 Million
Q4 2021

Feb 14, 2022

BUY
$18.14 - $23.29 $107,425 - $137,923
5,922 Added 21.51%
33,459 $779,000
Q3 2021

Nov 15, 2021

BUY
$17.83 - $21.49 $490,984 - $591,770
27,537 New
27,537 $523,000

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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