Qube Research & Technologies LTD Amphastar Pharmaceuticals, Inc. Transaction History

Qube Research & Technologies LTD

$91.4 Billion
Q3 2025

A detailed history of Qube Research & Technologies LTD transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Qube Research & Technologies LTD holds 241,212 shares of AMPH stock, worth $6.29 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

241,212

Previous 469,492 48.62%

Holding current value

$6.29 Million

Previous $10.8 Million 40.37%

% of portfolio

0.01%

Previous 0.01%

14 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$20.62 - $30.81 $4.71 Million - $7.03 Million	-228,280 Reduced 48.62%	241,212 $6.43 Million
Q2 2025 Aug 14, 2025	BUY	$22.96 - $28.29 $4.83 Million - $5.96 Million	210,511 Added 81.28%	469,492 $10.8 Million
Q1 2025 May 15, 2025	BUY	$26.24 - $38.48 $3.77 Million - $5.53 Million	143,689 Added 124.63%	258,981 $7.51 Million
Q4 2024 Feb 14, 2025	SELL	$36.84 - $53.4 $51,060 - $74,012	-1,386 Reduced 1.19%	115,292 $4.28 Million
Q3 2024 Nov 14, 2024	SELL	$36.99 - $50.09 $3.31 Million - $4.49 Million	-89,541 Reduced 43.42%	116,678 $5.66 Million

Q2 2024 Aug 14, 2024	BUY	$38.65 - $43.48 $3.11 Million - $3.5 Million	80,384 Added 63.88%	206,219 $8.25 Million
Q1 2024 May 14, 2024	BUY	$42.85 - $63.45 $3.02 Million - $4.47 Million	70,431 Added 127.12%	125,835 $5.53 Million
Q4 2023 Feb 13, 2024	SELL	$44.49 - $62.93 $2.09 Million - $2.95 Million	-46,920 Reduced 45.85%	55,404 $3.43 Million
Q3 2023 Nov 13, 2023	BUY	$45.51 - $65.0 $4.38 Million - $6.25 Million	96,167 Added 1561.91%	102,324 $4.71 Million
Q2 2023 Aug 14, 2023	BUY	$35.77 - $58.38 $220,235 - $359,445	6,157 New	6,157 $353,000
Q4 2022 Feb 14, 2023	SELL	$27.93 - $31.27 $573,151 - $641,691	-20,521 Reduced 25.09%	61,271 $1.72 Million
Q3 2022 Nov 14, 2022	BUY	$27.56 - $37.75 $621,726 - $851,602	22,559 Added 38.09%	81,792 $2.3 Million
Q2 2022 Aug 15, 2022	BUY	$29.79 - $42.29 $310,084 - $440,196	10,409 Added 21.32%	59,233 $2.06 Million
Q1 2022 May 09, 2022	BUY	$22.96 - $36.45 $1.12 Million - $1.78 Million	48,824 New	48,824 $1.75 Million

Others Institutions Holding AMPH

# of Institutions

263

Shares Held

33.5M

Call Options Held

73.4K

Put Options Held

12.6K

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 $1.28B
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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Qube Research & Technologies LTD Amphastar Pharmaceuticals, Inc. Transaction History