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Ironwood Pharmaceuticals Inc
IRWDAdd to Watchlist
4.390USD
+0.160+3.78%
Close 07-31 16:00（ET）Quotes delayed by 15 min
722.65MMarket Cap
6.98P/E TTM
Shareholding Stats
Updated: Thu, May 14
Updated: Thu, May 14
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Armistice Capital LLC
9.73%
BlackRock Institutional Trust Company, N.A.
6.98%
BofA Global Research (US)
6.05%
Sarissa Capital Management, L.P.
5.58%
Renaissance Technologies LLC
4.98%
Other
66.66%
Shareholders
Shareholders
Proportion
Armistice Capital LLC
9.73%
BlackRock Institutional Trust Company, N.A.
6.98%
BofA Global Research (US)
6.05%
Sarissa Capital Management, L.P.
5.58%
Renaissance Technologies LLC
4.98%
Other
66.66%
Shareholder Types
Shareholders
Proportion
Investment Advisor
28.39%
Hedge Fund
27.45%
Investment Advisor/Hedge Fund
26.49%
Research Firm
8.61%
Individual Investor
3.16%
Pension Fund
0.73%
Family Office
0.39%
Bank and Trust
0.15%
Insurance Company
0.04%
Other
4.61%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
549
166.41M
101.09%
-30.77M
2025Q4
554
153.43M
94.31%
-52.92M
2025Q3
552
156.43M
96.30%
-36.74M
2025Q2
583
167.85M
103.73%
-32.54M
2025Q1
598
162.94M
100.73%
-39.13M
2024Q4
595
170.54M
106.57%
-31.05M
2024Q3
583
171.68M
107.49%
-32.57M
2024Q2
576
178.76M
112.46%
-25.68M
2024Q1
583
179.31M
112.83%
-3.43M
2023Q4
563
172.78M
110.50%
-13.64M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Armistice Capital LLC
16.02M
9.83%
-125.00K
-0.77%
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
11.49M
7.05%
+361.51K
+3.25%
Dec 31, 2025
BofA Global Research (US)
11.52M
7.07%
-173.88K
-1.49%
Dec 31, 2025
Sarissa Capital Management, L.P.
9.19M
5.64%
-6.73M
-42.28%
Mar 17, 2026
Renaissance Technologies LLC
8.20M
5.03%
-147.20K
-1.76%
Dec 31, 2025
Acadian Asset Management LLC
6.46M
3.96%
-44.68K
-0.69%
Dec 31, 2025
Two Sigma Investments, LP
5.99M
3.68%
+142.29K
+2.43%
Dec 31, 2025
Charles Schwab Investment Management, Inc.
4.98M
3.05%
+58.60K
+1.19%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Acquirers Small and Micro Deep Value ETF
1.29%
Amplify Etho Climate Leadership U.S. ETF
0.36%
Vanguard US Value Factor ETF
0.19%
SPDR SSGA US Small Cap Low Volatility Index ETF
0.14%
ProShares Ultra Nasdaq Biotechnology
0.07%
Fidelity Enhanced Small Cap ETF
0.07%
WisdomTree US SmallCap Fund
0.06%
iShares Micro-Cap ETF
0.06%
Schwab Fundamental U.S. Small Company ETF
0.06%
Invesco RAFI US 1500 Small-Mid ETF
0.04%
View more
Acquirers Small and Micro Deep Value ETF
Proportion1.29%
Amplify Etho Climate Leadership U.S. ETF
Proportion0.36%
Vanguard US Value Factor ETF
Proportion0.19%
SPDR SSGA US Small Cap Low Volatility Index ETF
Proportion0.14%
ProShares Ultra Nasdaq Biotechnology
Proportion0.07%
Fidelity Enhanced Small Cap ETF
Proportion0.07%
WisdomTree US SmallCap Fund
Proportion0.06%
iShares Micro-Cap ETF
Proportion0.06%
Schwab Fundamental U.S. Small Company ETF
Proportion0.06%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.04%