IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 218 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $157,835,700 | 21.26% |
| AlphaCentric Advisors LLC | 292,500 | $2,816,775 | 1.60% |
| Quantedge Capital Pte Ltd | 179,900 | $1,732,437 | 0.94% |
| Intrinsic Value Partners, LLC | 50,355 | $484,919 | 0.62% |
| Brown Capital Management | 3,719,796 | $35,821,635 | 0.55% |
| ARMISTICE CAPITAL, LLC | 3,456,000 | $33,281,280 | 0.51% |
| SummerHaven Investment Management, LLC | 67,765 | $652,577 | 0.48% |
| BRAIDWELL LP | 1,348,099 | $12,982,193 | 0.41% |
| AFFINITY INVESTMENT ADVISORS, LLC | 50,733 | $488,559 | 0.32% |
| EMC Capital Management | 43,315 | $417 | 0.31% |