Institutional Ownership
Ironwood Pharmaceuticals Inc
CUSIP 46333X108COM CL AIRWDQ1 2026
Institutional Holders
219
13F filers
Shares Held
145.46M
Aggregate institutional
Institutional Value
$482.95M
Q1 2026
Net New Holders
+22
47 new · 25 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions47
Increased86
Decreased56
Sold out25
Institutional Holders
219 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Armistice Capital, LLC | 15.03M | $52.75M | −997.0K | Reduced |
| 2 | Blackrock, Inc. | 13.36M | $46.90M | +578.1K | Added |
| 3 | Sarissa Capital Management LP | 9.19M | $32.25M | −6.73M | Reduced |
| 4 | Bank Of America Corp /De/ | 8.68M | $30.48M | −2.84M | Reduced |
| 5 | Renaissance Technologies LLC | 8.06M | $28.29M | −143.9K | Reduced |
| 6 | Aqr Capital Management LLC | 7.54M | $26.45M | +2.81M | Added |
| 7 | State Street Corp | 7.46M | $26.17M | +3.05M | Added |
| 8 | Two Sigma Investments, LP | 5.85M | $20.53M | +3.00M | Added |
| 9 | Charles Schwab Investment Management Inc | 4.74M | $16.63M | −238.1K | Reduced |
| 10 | Geode Capital Management, LLC | 4.54M | $15.95M | +920.0K | Added |
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