A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Renaissance Technologies LLC holds 489,400 shares of AMPH stock, worth $21.6 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares
489,400
Previous 537,700 8.98%
Holding current value
$21.6 Million
Previous $21.5 Million 10.42%
% of portfolio
0.04%
Previous 0.04%

Shares

24 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 13, 2024

SELL
$36.99 - $50.09 $1.79 Million - $2.42 Million
-48,300 Reduced 8.98%
489,400 $23.8 Million
Q2 2024

Aug 09, 2024

SELL
$38.65 - $43.48 $2.37 Million - $2.67 Million
-61,400 Reduced 10.25%
537,700 $21.5 Million
Q1 2024

May 13, 2024

SELL
$42.85 - $63.45 $1.83 Million - $2.72 Million
-42,800 Reduced 6.67%
599,100 $26.3 Million
Q4 2023

Feb 13, 2024

BUY
$44.49 - $62.93 $1.73 Million - $2.44 Million
38,800 Added 6.43%
641,900 $39.7 Million
Q3 2023

Nov 14, 2023

BUY
$45.51 - $65.0 $5.03 Million - $7.18 Million
110,517 Added 22.44%
603,100 $27.7 Million
Q2 2023

Aug 11, 2023

SELL
$35.77 - $58.38 $150,842 - $246,188
-4,217 Reduced 0.85%
492,583 $28.3 Million
Q1 2023

May 12, 2023

BUY
$27.99 - $37.92 $1.38 Million - $1.87 Million
49,400 Added 11.04%
496,800 $18.6 Million
Q4 2022

Feb 13, 2023

BUY
$27.93 - $31.27 $379,848 - $425,272
13,600 Added 3.14%
447,400 $12.5 Million
Q3 2022

Nov 14, 2022

BUY
$27.56 - $37.75 $741,364 - $1.02 Million
26,900 Added 6.61%
433,800 $12.2 Million
Q2 2022

Aug 12, 2022

BUY
$29.79 - $42.29 $2.93 Million - $4.15 Million
98,200 Added 31.81%
406,900 $14.2 Million
Q1 2022

May 13, 2022

BUY
$22.96 - $36.45 $433,944 - $688,905
18,900 Added 6.52%
308,700 $11.1 Million
Q4 2021

Feb 11, 2022

BUY
$18.14 - $23.29 $255,774 - $328,389
14,100 Added 5.11%
289,800 $6.75 Million
Q3 2021

Nov 12, 2021

BUY
$17.83 - $21.49 $509,937 - $614,614
28,600 Added 11.57%
275,700 $5.24 Million
Q2 2021

Aug 13, 2021

BUY
$17.11 - $20.92 $367,865 - $449,780
21,500 Added 9.53%
247,100 $4.98 Million
Q1 2021

May 13, 2021

SELL
$17.21 - $20.65 $1.5 Million - $1.8 Million
-87,000 Reduced 27.83%
225,600 $4.13 Million
Q4 2020

Feb 10, 2021

SELL
$17.76 - $21.24 $1.17 Million - $1.4 Million
-65,700 Reduced 17.37%
312,600 $6.29 Million
Q3 2020

Nov 13, 2020

SELL
$17.99 - $22.22 $2.39 Million - $2.96 Million
-133,000 Reduced 26.01%
378,300 $7.09 Million
Q2 2020

Aug 13, 2020

SELL
$14.25 - $22.46 $3.24 Million - $5.11 Million
-227,300 Reduced 30.77%
511,300 $11.5 Million
Q1 2020

May 14, 2020

SELL
$12.66 - $20.08 $1.2 Million - $1.9 Million
-94,400 Reduced 11.33%
738,600 $11 Million
Q4 2019

Feb 13, 2020

BUY
$17.07 - $20.64 $1.75 Million - $2.11 Million
102,300 Added 14.0%
833,000 $16.1 Million
Q3 2019

Nov 13, 2019

BUY
$19.12 - $22.62 $2.73 Million - $3.23 Million
142,700 Added 24.27%
730,700 $14.5 Million
Q2 2019

Aug 12, 2019

BUY
$18.92 - $22.96 $2.77 Million - $3.36 Million
146,400 Added 33.15%
588,000 $12.4 Million
Q1 2019

May 14, 2019

BUY
$19.46 - $25.28 $2.56 Million - $3.32 Million
131,500 Added 42.41%
441,600 $9.02 Million
Q4 2018

Feb 13, 2019

BUY
$17.72 - $22.51 $5.49 Million - $6.98 Million
310,100 New
310,100 $6.17 Million

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 $2.16B
  • 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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