ALLIANCEBERNSTEIN L.P.

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1109448 NASHVILLE, TN

Back to AMPH Full portfolio

Position in AMPH

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,138,757

+$33,294 QoQ

Shares Held

56,430

0.0% QoQ

Ownership

0.133%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#57

of 209 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 74% Shared 0% None 26%

Common Shares in AMPH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

ALLIANCEBERNSTEIN L.P. holds $485,105,474 across 44 Drug Manufacturers - Specialty & Generic names. AMPH ranks #25 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UTHR	UNITED THERAPEUTICS Corp	234,607	$127,117,110
2	NBIX	Neurocrine Biosciences Inc	461,270	$77,742,445
3	RDY	Dr Reddys Laboratories Ltd	3,730,713	$54,058,031
4	ZTS	Zoetis Inc.	698,452	$50,190,760
5	KNSA	Kiniksa Pharmaceuticals International, plc	556,151	$35,565,856
6	VTRS	Viatris Inc	1,233,234	$19,583,755
7	ELAN	Elanco Animal Health Inc	621,675	$15,299,421
8	HIMS	Hims & Hers Health, Inc.	438,863	$15,215,380

All Filings in AMPH

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,138,757	56,430	0.0%	Shares	Defined	2026-08-14
2026-03-31	$1,105,463	56,430	-6.9%	Shares	Defined	2026-05-15
2025-12-31	$1,623,671	60,630	+19.8%	Shares	Defined	2026-02-17
2025-09-30	$1,349,289	50,630	0.0%	Shares	Defined	2025-11-14
2025-06-30	$1,162,464	50,630	0.0%	Shares	Defined	2025-08-14
2025-03-31	$1,467,763	50,630	0.0%	Shares	Defined	2025-05-15
2024-12-31	$1,879,891	50,630	+1.8%	Shares	Defined	2025-02-12
2024-09-30	$2,413,930	49,741	-0.1%	Shares	Defined	2024-11-14
2024-06-30	$1,990,800	49,770	+5.4%	Shares	Defined	2024-08-14
2024-03-31	$2,074,308	47,240	-38.6%	Shares	Defined	2024-05-14
2023-12-31	$4,755,646	76,890	-41.7%	Shares	Defined	2024-02-14
2023-09-30	$6,068,380	131,950	+163.5%	Shares	Defined	2023-11-14
2023-06-30	$2,878,097	50,080	+11.5%	Shares	Defined	2023-08-15
2023-03-31	$1,683,637	44,897	-44.2%	Shares	Defined	2023-05-15
2022-12-31	$2,254,040	80,444	+59.3%	Shares	Defined	2023-02-15
2022-09-30	$1,418,740	50,489	+0.3%	Shares	Defined	2022-11-15
2022-06-30	$1,751,572	50,347	+9.0%	Shares	Defined	2022-08-15
2022-03-31	$1,658,795	46,206	+0.3%	Shares	Defined	2022-05-13
2021-12-31	$1,072,574	46,053	-47.6%	Shares	Defined	2022-02-14
2021-09-30	$1,671,644	87,935	+84.5%	Shares	Defined	2021-11-10
2021-06-30	$961,027	47,670	0.0%	Shares	Defined	2021-07-30
2021-03-31	$873,314	47,670	-47.0%	Shares	Defined	2021-05-06
2020-12-31	$1,807,547	89,883	+1.2%	Shares	Defined	2021-02-08
2020-09-30	$1,665,187	88,810	-17.8%	Shares	Defined	2020-11-12
2020-06-30	$2,425,904	108,010	-0.2%	Shares	Defined	2020-08-13
2020-03-31	$1,605,539	108,190	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.