MARTINGALE ASSET MANAGEMENT L P

Position in IRWD — Ironwood Pharmaceuticals Inc

CIK 936944 BOSTON, MA

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Position in IRWD

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

Position Value

$863,012

+$143,494 QoQ

Shares Held

204,991

0.0% QoQ

Ownership

0.124%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#69

of 212 holders

Holding Since

Mar 2022

10 quarters on record

Voting authority Sole 14% Shared 0% None 86%

Common Shares in IRWD 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. IRWD ranks #13 (1.6% 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.	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 IRWD

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10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$863,012	204,991	0.0%	Shares	Sole	2026-08-13
2026-03-31	$719,518	204,991	+46.6%	Shares	Sole	2026-05-13
2023-12-31	$1,599,975	139,858	-0.1%	Shares	Sole	2024-02-12
2023-09-30	$1,348,180	139,998	0.0%	Shares	Sole	2023-11-14
2023-06-30	$1,489,578	139,998	+4.2%	Shares	Sole	2023-08-11
2023-03-31	$1,412,751	134,292	+2.1%	Shares	Sole	2023-05-12
2022-12-31	$1,630,400	131,590	+2.2%	Shares	Sole	2023-02-13
2022-09-30	$1,333,881	128,753	+3.0%	Shares	Sole	2022-11-14
2022-06-30	$1,441,826	125,050	+30.1%	Shares	Sole	2022-08-11
2022-03-31	$1,209,541	96,148	—	Shares	Sole	2022-05-12
No filing history on record for this holder in this stock.