MORGAN STANLEY

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 895421 NEW YORK, NY

Back to AMPH Full portfolio

Position in AMPH

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

Position Value

$8,234,399

-$7,609,475 QoQ

Shares Held

420,337

-29.0% QoQ

Ownership

0.953%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 95.01661761872022.ToString("F0")% Shared 0.ToString("F0")% None 4.983382381279783.ToString("F0")%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

MORGAN STANLEY holds $4,148,184,090 across 73 Drug Manufacturers - Specialty & Generic names. AMPH ranks #31 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	14,145,735	$1,672,167,321
2	UTHR	UNITED THERAPEUTICS Corp	409,288	$242,699,592
3	TEVA	Teva Pharmaceutical Industries Ltd	7,426,253	$223,678,734
4	VTRS	Viatris Inc	16,089,939	$217,375,067
5	HLN	Haleon plc	19,166,253	$191,854,187
6	HIMS	Hims & Hers Health, Inc.	8,889,088	$184,537,462
7	NBIX	Neurocrine Biosciences Inc	1,219,196	$160,616,870
8	ELAN	Elanco Animal Health Inc	6,417,527	$153,571,413

All Filings in AMPH

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,234,399	420,337	-29.0%	Shares	Defined	2026-05-15
2025-12-31	$15,843,874	591,631	+2.9%	Shares	Defined	2026-05-27
2025-09-30	$15,315,193	574,679	-15.6%	Shares	Defined	2026-05-27
2025-06-30	$15,640,855	681,222	+30.5%	Shares	Defined	2025-08-15
2025-03-31	$15,136,022	522,112	-17.4%	Shares	Defined	2025-05-15
2024-12-31	$23,468,904	632,074	-6.7%	Shares	Defined	2025-05-15
2024-09-30	$32,885,187	677,626	+11.1%	Shares	Defined	2025-05-14
2024-06-30	$24,405,480	610,137	+9.1%	Shares	Defined	2025-05-14
2024-03-31	$24,547,397	559,039	-2.1%	Shares	Defined	2024-10-17
2023-12-31	$35,323,335	571,113	+2.3%	Shares	Defined	2024-08-16
2023-09-30	$25,672,027	558,209	-1.5%	Shares	Defined	2023-11-15
2023-06-30	$32,574,855	566,815	+9.0%	Shares	Defined	2023-08-14
2023-03-31	$19,501,610	520,043	-13.8%	Shares	Defined	2023-05-15
2022-12-31	$16,897,401	603,048	-15.1%	Shares	Defined	2023-02-14
2022-09-30	$19,961,786	710,384	-14.1%	Shares	Defined	2022-11-14
2022-06-30	$28,764,055	826,791	+47.0%	Shares	Defined	2022-10-27
2022-03-31	$20,189,976	562,395	-9.1%	Shares	Defined	2022-10-27
2021-12-31	$14,410,497	618,742	+19.6%	Shares	Defined	2022-02-14
2021-09-30	$9,836,435	517,435	+24.9%	Shares	Defined	2021-11-15
2021-06-30	$8,350,772	414,225	+21.3%	Shares	Defined	2021-08-23
2021-03-31	$6,258,110	341,600	+2.9%	Shares	Defined	2021-05-17
2020-12-31	$6,674,668	331,908	+242.7%	Shares	Defined	2021-02-16
2020-09-30	$1,815,711	96,838	-20.8%	Shares	Defined	2020-11-13
2020-06-30	$2,746,430	122,281	-47.9%	Shares	Defined	2020-08-14
2020-03-31	$3,481,744	234,619	—	Shares	Defined	2020-05-26
No filing history on record for this holder in this stock.