IRONWOOD PHARMACEUTICALS INC - IRWD

Sector: Healthcare · Industry: Pharmaceutical Preparations

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Company profile

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Q2 2026 · Q1 2026

Value (USD)

Total reported value ($000)

$680.5M

QoQ value delta ($000)

+$71.73M (+11.78%)

Implied price effect (QoQ)

+19.91%

Total shares

161,749,429

QoQ shares delta

-11,753,672 (-6.77%)

Total shares held by funds (by quarter)

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Top 25 only Full list

Partial Q2 2026 data: 214 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.

Manager	Value ($000)	Shares	% of 13F
BlackRock, Inc.	74,889	17,788,557	0.0%
ARMISTICE CAPITAL, LLC	58,653	13,932,000	0.72%
Sarissa Capital Management LP	38,684	9,188,635	21.75%
STATE STREET CORP	37,088	8,809,601	0.0%
BANK OF AMERICA CORP /DE/	36,558	8,683,803	0.0%
RENAISSANCE TECHNOLOGIES LLC	33,651	7,993,226	0.05%
VANGUARD CAPITAL MANAGEMENT LLC	27,821	6,608,508	0.0%
AQR CAPITAL MANAGEMENT LLC	27,221	6,465,921	0.01%
ACADIAN ASSET MANAGEMENT LLC	24,623	5,853,331	0.03%
VANGUARD PORTFOLIO MANAGEMENT LLC	23,211	5,513,355	0.0%
GEODE CAPITAL MANAGEMENT, LLC	20,345	4,831,657	0.0%
TWO SIGMA INVESTMENTS, LP	19,181	4,556,089	0.01%
MARSHALL WACE, LLP	18,061	4,290,093	0.01%
JACOBS LEVY EQUITY MANAGEMENT, INC	17,117	4,065,964	0.06%
GOLDMAN SACHS GROUP INC	13,951	3,313,808	0.0%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13,902	3,302,242	0.0%
FEDERATED HERMES, INC.	13,603	3,231,238	0.02%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	12,701	3,017,089	0.01%
DIMENSIONAL FUND ADVISORS LP	10,622	2,522,891	0.0%
MACKENZIE FINANCIAL CORP	9,967	2,367,493	0.01%
MORGAN STANLEY	7,830	1,859,914	0.0%
Connor, Clark & Lunn Investment Management Ltd.	7,627	1,811,714	0.01%
NORTHERN TRUST CORP	5,784	1,373,974	0.0%
Hillsdale Investment Management Inc.	5,264	1,250,428	0.12%
WELLS FARGO & COMPANY/MN	5,078	1,206,198	0.0%