MILLENNIUM MANAGEMENT LLC

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1273087 NEW YORK, NY

Position in AMPH

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$7,275,197

-$509,025 QoQ

Shares Held

371,373

+27.8% QoQ

Ownership

0.842%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $1,131,904,343 across 44 Drug Manufacturers - Specialty & Generic names. AMPH ranks #19 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	1,649,955	$195,041,180
2	SUPN	Supernus Pharmaceuticals, Inc.	3,315,973	$171,402,644
3	NBIX	Neurocrine Biosciences Inc	1,247,447	$164,338,667
4	INDV	Indivior Pharmaceuticals, Inc.	4,595,535	$140,071,906
5	UTHR	UNITED THERAPEUTICS Corp	153,372	$90,946,528
6	TEVA	Teva Pharmaceutical Industries Ltd	1,893,845	$57,042,611
7	PRGO	PERRIGO Co plc	4,279,731	$45,964,310
8	ANIP	Ani Pharmaceuticals Inc	592,013	$45,525,799

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,275,197	371,373	+27.8%	Shares	Sole	2026-05-15
2025-12-31	$7,784,222	290,673	-58.3%	Shares	Sole	2026-02-17
2025-09-30	$18,595,437	697,765	+12.7%	Shares	Sole	2025-11-14
2025-06-30	$14,211,872	618,984	-28.7%	Shares	Sole	2025-08-14
2025-03-31	$25,179,293	868,551	+238.5%	Shares	Sole	2025-05-15
2024-12-31	$9,525,924	256,556	-1.2%	Shares	Sole	2025-02-14
2024-09-30	$12,600,814	259,650	-64.9%	Shares	Sole	2024-11-14
2024-06-30	$29,549,920	738,748	+84.6%	Shares	Sole	2024-08-14
2024-03-31	$17,568,171	400,095	+95.2%	Shares	Sole	2024-05-15
2023-12-31	$12,680,301	205,017	-30.8%	Shares	Sole	2024-02-14
2023-09-30	$13,627,158	296,307	+29.8%	Shares	Sole	2023-11-14
2023-06-30	$13,116,378	228,230	-33.6%	Shares	Sole	2023-08-14
2023-03-31	$12,883,500	343,560	+252.6%	Shares	Sole	2023-05-15
2022-12-31	$2,729,988	97,430	+608.1%	Shares	Sole	2023-02-14
2022-09-30	$386,656	13,760	-83.2%	Shares	Sole	2022-11-14
2022-06-30	$2,854,206	82,041	-52.7%	Shares	Sole	2022-08-15
2022-03-31	$6,222,223	173,321	+136.8%	Shares	Sole	2022-05-16
2021-12-31	$1,704,385	73,181	-62.8%	Shares	Sole	2022-02-14
2021-09-30	$3,743,791	196,938	+1092.8%	Shares	Sole	2021-11-15
2021-06-30	$332,841	16,510	-86.2%	Shares	Sole	2021-08-16
2021-03-31	$2,192,812	119,695	-33.4%	Shares	Sole	2021-05-17
2020-12-31	$3,613,626	179,693	+41.0%	Shares	Sole	2021-02-16
2020-09-30	$2,389,968	127,465	+190.8%	Shares	Sole	2020-11-16
2020-06-30	$984,511	43,834	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.