DIMENSIONAL FUND ADVISORS LP

Position in IRWD — Ironwood Pharmaceuticals Inc

CIK 354204 AUSTIN, TX

Back to IRWD Full portfolio

Position in IRWD

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$7,308,012

+$6,193,095 QoQ

Shares Held

2,082,055

+529.3% QoQ

Ownership

1.26%

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 93.09778079829783.ToString("F0")% Shared 3.1857467742206618.ToString("F0")% None 3.7164724274815026.ToString("F0")%

Common Shares in IRWD Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $3,107,808,414 across 44 Drug Manufacturers - Specialty & Generic names. IRWD ranks #28 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ELAN	Elanco Animal Health Inc	24,527,135	$586,934,337
2	VTRS	Viatris Inc	38,310,693	$517,577,461
3	ZTS	Zoetis Inc.	2,771,447	$327,612,748
4	UTHR	UNITED THERAPEUTICS Corp	512,739	$304,043,970
5	ALKS	Alkermes plc.	4,522,378	$159,911,284
6	PBH	Prestige Consumer Healthcare Inc.	2,672,777	$158,415,490
7	SUPN	Supernus Pharmaceuticals, Inc.	2,307,030	$119,250,378
8	LNTH	Lantheus Holdings, Inc.	1,379,570	$104,640,383

All Filings in IRWD

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,308,012	2,082,055	+529.3%	Shares	Sole	2026-05-07
2025-12-31	$1,114,917	330,836	+266.1%	Shares	Sole	2026-02-12
2025-09-30	$118,387	90,373	0.0%	Shares	Sole	2025-11-12
2025-06-30	$65,068	90,373	-0.0%	Shares	Sole	2025-08-12
2025-03-31	$132,889	90,401	-58.6%	Shares	Sole	2025-05-13
2024-12-31	$967,609	218,422	+4.9%	Shares	Sole	2025-02-13
2024-09-30	$858,084	208,273	-2.5%	Shares	Sole	2024-11-07
2024-06-30	$1,392,795	213,619	+48.6%	Shares	Sole	2024-08-09
2024-03-31	$1,252,245	143,771	-95.3%	Shares	Sole	2024-05-10
2023-12-31	$35,255,915	3,081,811	-44.1%	Shares	Sole	2024-02-07
2023-09-30	$53,128,476	5,516,976	-1.7%	Shares	Sole	2023-11-09
2023-06-30	$59,701,760	5,611,068	+21.7%	Shares	Sole	2023-08-09
2023-03-31	$48,487,508	4,609,079	+25.8%	Shares	Sole	2023-05-12
2022-12-31	$45,379,587	3,662,598	+9.9%	Shares	Sole	2023-02-09
2022-09-30	$34,515,612	3,331,623	+8.2%	Shares	Sole	2022-11-10
2022-06-30	$35,504,210	3,079,290	+0.2%	Shares	Sole	2022-08-12
2022-03-31	$38,677,587	3,074,530	-0.1%	Shares	Defined	2022-05-13
2021-12-31	$35,877,691	3,076,989	+4.1%	Shares	Defined	2022-02-09
2021-09-30	$38,619,373	2,957,073	+10.4%	Shares	Defined	2021-11-12
2021-06-30	$34,485,551	2,679,530	+37.8%	Shares	Defined	2021-08-12
2021-03-31	$21,741,734	1,944,699	+48.7%	Shares	Defined	2021-05-14
2020-12-31	$14,891,274	1,307,399	+28.8%	Shares	Defined	2021-03-08
2020-09-30	$9,122,494	1,014,738	+16.1%	Shares	Defined	2020-11-12
2020-06-30	$9,017,781	873,816	+69.9%	Shares	Defined	2020-08-13
2020-03-31	$5,188,318	514,204	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.