BlackRock, Inc.

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 2012383 New York, NY

Position in AMPH

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$106,204,103

-$40,068,651 QoQ

Shares Held

5,421,343

-0.7% QoQ

Ownership

12.3%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2024

7 quarters on record

Voting authority Sole 98.2675879390033.ToString("F0")% Shared 0.ToString("F0")% None 1.732412060996694.ToString("F0")%

Healthcare · as of Mar 31, 2026

BlackRock, Inc. holds $19,745,764,999 across 67 Drug Manufacturers - Specialty & Generic names. AMPH ranks #23 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	35,584,312	$4,206,421,510
2	UTHR	UNITED THERAPEUTICS Corp	5,399,649	$3,201,883,855
3	TEVA	Teva Pharmaceutical Industries Ltd	65,136,464	$1,961,910,288
4	NBIX	Neurocrine Biosciences Inc	13,385,607	$1,763,419,854
5	VTRS	Viatris Inc	84,359,804	$1,139,700,941
6	ELAN	Elanco Animal Health Inc	47,622,630	$1,139,609,527
7	ALKS	Alkermes plc.	28,314,410	$1,001,197,527
8	LNTH	Lantheus Holdings, Inc.	8,183,193	$620,695,182

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$106,204,103	5,421,343	-0.7%	Shares	Sole	2026-05-13
2025-12-31	$146,272,754	5,462,015	-0.4%	Shares	Sole	2026-02-12
2025-09-30	$146,176,763	5,485,057	-3.2%	Shares	Sole	2025-11-12
2025-06-30	$130,155,481	5,668,793	-7.8%	Shares	Sole	2025-08-12
2025-03-31	$178,220,598	6,147,658	+0.5%	Shares	Sole	2025-05-02
2024-12-31	$227,154,724	6,117,822	+1.4%	Shares	Sole	2025-02-07
2024-09-30	$292,767,992	6,032,722	—	Shares	Sole	2024-11-13
No filing history on record for this holder in this stock.