MARTINGALE ASSET MANAGEMENT L P

Position in SUPN — Supernus Pharmaceuticals, Inc.

CIK 936944 BOSTON, MA

Back to SUPN Full portfolio

Position in SUPN

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$3,457,925

-$33,631 QoQ

Shares Held

74,348

+10.1% QoQ

Ownership

0.128%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#75

of 331 holders

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 67% Shared 0% None 33%

Common Shares in SUPN Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

MARTINGALE ASSET MANAGEMENT L P holds $52,615,067 across 17 Drug Manufacturers - Specialty & Generic names. SUPN ranks #6 (6.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NBIX	Neurocrine Biosciences Inc	69,799	$11,763,923
2	ALKS	Alkermes plc.	170,004	$8,908,209
3	AMRX	Amneal Pharmaceuticals, Inc.	283,033	$4,899,301
4	UTHR	UNITED THERAPEUTICS Corp	7,622	$4,129,828
5	INDV	Indivior Pharmaceuticals, Inc.	85,564	$3,510,690
6	SUPN	Supernus Pharmaceuticals, Inc. This page	74,348	$3,457,925
7	PCRX	Pacira BioSciences, Inc.	112,025	$2,842,074
8	ANIP	Ani Pharmaceuticals Inc	30,741	$2,544,739

All Filings in SUPN

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,457,925	74,348	+10.1%	Shares	Sole	2026-08-13
2026-03-31	$3,491,556	67,548	+15.9%	Shares	Sole	2026-05-13
2025-12-31	$2,895,919	58,268	-2.8%	Shares	Sole	2026-02-13
2025-09-30	$2,865,152	59,953	-7.5%	Shares	Sole	2025-11-13
2025-06-30	$2,042,275	64,793	+13.3%	Shares	Sole	2025-08-11
2025-03-31	$1,873,267	57,199	+28.3%	Shares	Sole	2025-05-14
2024-12-31	$1,612,446	44,592	+18.0%	Shares	Sole	2025-02-13
2024-09-30	$1,178,478	37,796	+4.6%	Shares	Sole	2024-11-14
2024-06-30	$966,638	36,136	0.0%	Shares	Sole	2024-08-12
2024-03-31	$1,232,598	36,136	0.0%	Shares	Sole	2024-05-14
2023-12-31	$1,045,775	36,136	-24.9%	Shares	Sole	2024-02-12
2023-09-30	$1,327,109	48,136	0.0%	Shares	Sole	2023-11-14
2023-06-30	$1,446,968	48,136	+4.1%	Shares	Sole	2023-08-11
2023-03-31	$1,675,094	46,235	+0.4%	Shares	Sole	2023-05-12
2022-12-31	$1,642,068	46,035	-5.6%	Shares	Sole	2023-02-13
2022-09-30	$1,650,796	48,768	+8.5%	Shares	Sole	2022-11-14
2022-06-30	$1,300,474	44,968	+7.0%	Shares	Sole	2022-08-11
2022-03-31	$1,357,989	42,017	-8.2%	Shares	Sole	2022-05-12
2021-12-31	$1,334,711	45,772	+414.2%	Shares	Sole	2022-02-11
2021-09-30	$237,389	8,901	-59.9%	Shares	Sole	2021-11-12
2021-03-31	$581,745	22,221	-47.5%	Shares	Sole	2021-05-13
2020-12-31	$1,065,475	42,348	-26.3%	Shares	Sole	2021-02-10
2020-09-30	$1,197,216	57,448	+75.6%	Shares	Sole	2020-11-12
2020-06-30	$776,933	32,713	—	Shares	Sole	2020-08-10
No filing history on record for this holder in this stock.