Who Owns IRONWOOD PHARMACEUTICALS INC (IRWD)? -- Institutional Holders (2026-06-30)

255 institutions reported holding $694.5M of IRONWOOD PHARMACEUTICALS INC (IRWD) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($74.9M), ARMISTICE CAPITAL, LLC ($58.7M), VANGUARD GROUP INC ($57.8M), Sarissa Capital Management LP ($38.7M), STATE STREET CORP ($37.1M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	BlackRock, Inc.	$74.9M	17.8M	Added
2	ARMISTICE CAPITAL, LLC	$58.7M	13.9M	Trimmed
3	VANGUARD GROUP INC	$57.8M	13.7M	Trimmed
4	Sarissa Capital Management LP	$38.7M	9.2M	Hold
5	STATE STREET CORP	$37.1M	8.8M	Added
6	BANK OF AMERICA CORP /DE/	$36.6M	8.7M	Added
7	RENAISSANCE TECHNOLOGIES LLC	$33.7M	8.0M	Trimmed
8	AQR CAPITAL MANAGEMENT LLC	$27.2M	6.5M	Trimmed
9	ACADIAN ASSET MANAGEMENT LLC	$24.6M	5.9M	Trimmed
10	GEODE CAPITAL MANAGEMENT, LLC	$20.3M	4.8M	Added
11	TWO SIGMA INVESTMENTS, LP	$19.2M	4.6M	Trimmed
12	MARSHALL WACE, LLP	$18.1M	4.3M	Trimmed
13	JACOBS LEVY EQUITY MANAGEMENT, INC	$17.1M	4.1M	Added
14	GOLDMAN SACHS GROUP INC	$14.0M	3.3M	Added
15	Sixth Street Partners Management Company, L.P.	$13.9M	3.3M	New
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$13.9M	3.3M	Trimmed
17	FEDERATED HERMES, INC.	$13.6M	3.2M	Trimmed
18	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$12.7M	3.0M	Trimmed
19	DIMENSIONAL FUND ADVISORS LP	$10.6M	2.5M	Added
20	MACKENZIE FINANCIAL CORP	$10.0M	2.4M	Added
21	MORGAN STANLEY	$7.8M	1.9M	Added
22	Connor, Clark & Lunn Investment Management Ltd.	$7.6M	1.8M	Trimmed
23	NORTHERN TRUST CORP	$5.8M	1.4M	Added
24	Hillsdale Investment Management Inc.	$5.3M	1.3M	Added
25	WELLS FARGO & COMPANY/MN	$5.1M	1.2M	Added

来源：SEC 13F 申报文件 · 截至 2026-06-30