State Of Wisconsin Investment Board Amphastar Pharmaceuticals, Inc. Transaction History

State Of Wisconsin Investment Board

$36.6 Billion
Q1 2025

A detailed history of State Of Wisconsin Investment Board transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, State Of Wisconsin Investment Board holds 25,592 shares of AMPH stock, worth $646,453. This represents 0.0% of its overall portfolio holdings.

Number of Shares

25,592

Previous 25,649 0.22%

Holding current value

$646,453

Previous $952,000 22.16%

% of portfolio

0.0%

Previous 0.0%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	SELL	$26.24 - $38.48 $1,495 - $2,193	-57 Reduced 0.22%	25,592 $741,000
Q4 2024 Feb 14, 2025	SELL	$36.84 - $53.4 $1.24 Million - $1.79 Million	-33,582 Reduced 56.7%	25,649 $952,000
Q3 2024 Nov 14, 2024	BUY	$36.99 - $50.09 $1.03 Million - $1.4 Million	27,935 Added 89.26%	59,231 $2.87 Million
Q2 2024 Aug 14, 2024	SELL	$38.65 - $43.48 $1.8 Million - $2.02 Million	-46,532 Reduced 59.79%	31,296 $1.25 Million
Q1 2024 May 14, 2024	BUY	$42.85 - $63.45 $1.5 Million - $2.22 Million	35,054 Added 81.95%	77,828 $3.42 Million
Q4 2023 Feb 12, 2024	SELL	$44.49 - $62.93 $10,188 - $14,410	-229 Reduced 0.53%	42,774 $2.65 Million
Q3 2023 Nov 14, 2023	BUY	$45.51 - $65.0 $436,622 - $623,610	9,594 Added 28.72%	43,003 $1.98 Million
Q2 2023 Aug 14, 2023	SELL	$35.77 - $58.38 $65,459 - $106,835	-1,830 Reduced 5.19%	33,409 $1.92 Million
Q1 2023 May 15, 2023	SELL	$27.99 - $37.92 $113,415 - $153,651	-4,052 Reduced 10.31%	35,239 $1.32 Million
Q4 2022 Feb 14, 2023	BUY	$27.93 - $31.27 $5,865 - $6,566	210 Added 0.54%	39,291 $1.1 Million
Q3 2022 Nov 14, 2022	SELL	$27.56 - $37.75 $68,541 - $93,884	-2,487 Reduced 5.98%	39,081 $1.1 Million
Q2 2022 Aug 15, 2022	SELL	$29.79 - $42.29 $269,063 - $381,963	-9,032 Reduced 17.85%	41,568 $1.45 Million
Q4 2020 Feb 03, 2021	SELL	$17.76 - $21.24 $111,888 - $133,812	-6,300 Reduced 11.07%	50,600 $1.02 Million
Q2 2020 Aug 12, 2020	BUY	$14.25 - $22.46 $22,800 - $35,936	1,600 Added 2.89%	56,900 $1.28 Million
Q1 2020 May 06, 2020	BUY	$12.66 - $20.08 $18,990 - $30,119	1,500 Added 2.79%	55,300 $821,000
Q3 2019 Nov 12, 2019	BUY	$19.12 - $22.62 $53,536 - $63,336	2,800 Added 5.49%	53,800 $1.07 Million
Q2 2019 Aug 14, 2019	BUY	$18.92 - $22.96 $60,544 - $73,472	3,200 Added 6.69%	51,000 $1.08 Million
Q1 2019 May 13, 2019	BUY	$19.46 - $25.28 $212,114 - $275,552	10,900 Added 29.54%	47,800 $977,000
Q4 2018 Feb 11, 2019	BUY	$17.72 - $22.51 $12,404 - $15,757	700 Added 1.93%	36,900 $734,000
Q2 2018 Aug 03, 2018	BUY	$14.63 - $19.6 $119,966 - $160,720	8,200 Added 29.29%	36,200 $552,000
Q3 2017 Nov 01, 2017	BUY	$14.73 - $17.99 $412,440 - $503,719	28,000	28,000 $500,000

Others Institutions Holding AMPH

# of Institutions

258

Shares Held

33.6M

Call Options Held

20.8K

Put Options Held

11.6K

View Full List

About Amphastar Pharmaceuticals, Inc.

Ticker AMPH
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—Specialty & Generic
Shares Outstandng 49,015,200
Market Cap $1.24B
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...

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State Of Wisconsin Investment Board Amphastar Pharmaceuticals, Inc. Transaction History