IRONWOOD PHARMACEUTICALS INC - IRWD

Sector: Healthcare · Industry: Pharmaceutical Preparations
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Quarter snapshot

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Q3 2026 · Q2 2026
Value (USD)
Total reported value ($000)
$679M
QoQ value delta ($000)
-$482K (-0.07%)
Implied price effect (QoQ)
-0.2%
Shares
Total shares
161,670,268
QoQ shares delta
+214,383 (+0.13%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

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Top holders (Q3 2026)

Top 25 only Full list
Partial Q3 2026 data: 59 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 9,221 2,322,690 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%