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Ironwood Pharma
IRWD
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Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
82.43%
Hedge funds
14.39%
Individuals & Insiders
3.18%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Armistice Capital LLC
9.13%
15.03M
0.70%
-997.00K
03/31/2026
BlackRock, Inc.
8.12%
13.36M
0.28%
+578.12K
03/31/2026
Sarissa Capital Management LP
5.58%
9.19M
4.18%
-6.73M
03/31/2026
Bank of America Corporation
5.27%
8.68M
1.79%
-2.84M
03/31/2026
Renaissance Technologies LLC
4.90%
8.06M
0.13%
-143.90K
03/31/2026
State Street Global Advisors, Inc.
4.53%
7.46M
1.82%
+3.05M
03/31/2026
AQR Capital Management, LLC
4.46%
7.34M
1.68%
+2.81M
03/31/2026
Vanguard Portfolio Management, LLC
4.06%
6.68M
--
+6.68M
03/31/2026
Acadian Asset Management LLC
4.00%
6.58M
0.04%
+119.46K
03/31/2026
Vanguard Capital Management, LLC
3.70%
6.10M
--
+6.10M
03/31/2026
Two Sigma Investments, LP
3.55%
5.85M
1.80%
+3.00M
03/31/2026
Charles Schwab Investment Management, Inc.
2.88%
4.74M
0.00%
+0
06/30/2026
Geode Capital Management, LLC
2.76%
4.54M
0.54%
+919.99K
03/31/2026
Marshall Wace LLP
2.75%
4.53M
0.04%
+101.06K
03/31/2026
Jacobs Levy Equity Management Inc
2.21%
3.63M
0.51%
+872.81K
03/31/2026
Arrowstreet Capital, Limited Partnership
2.06%
3.40M
1.81%
+2.99M
03/31/2026
Federated Hermes, Inc.
2.03%
3.35M
<0.01%
+30.67K
03/31/2026
Dimensional Fund Advisors LP
1.26%
2.08M
1.06%
+1.75M
03/31/2026
The Goldman Sachs Group, Inc.
1.17%
1.92M
0.79%
+1.31M
03/31/2026
Connor, Clark & Lunn Investment Management Ltd.
1.11%
1.84M
0.11%
-155.50K
03/31/2026