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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $2,000 | -99.0% | 2 | -100.0% | 0.00% | -100.0% |
| Q2 2021 | $207,000 | +15.6% | 16,098 | 0.0% | 0.02% | -4.5% |
| Q1 2021 | $179,000 | -24.8% | 16,098 | -23.2% | 0.02% | -33.3% |
| Q4 2020 | $238,000 | +81.7% | 20,972 | +43.8% | 0.03% | +17.9% |
| Q3 2020 | $131,000 | -20.6% | 14,580 | -9.3% | 0.03% | -24.3% |
| Q2 2020 | $165,000 | +1.9% | 16,080 | 0.0% | 0.04% | -19.6% |
| Q1 2020 | $162,000 | -23.9% | 16,080 | 0.0% | 0.05% | -14.8% |
| Q4 2019 | $213,000 | +21.7% | 16,080 | -21.4% | 0.05% | +8.0% |
| Q3 2019 | $175,000 | +10.8% | 20,460 | +99.4% | 0.05% | -2.0% |
| Q1 2018 | $158,000 | +3.3% | 10,259 | 0.0% | 0.05% | -3.8% |
| Q4 2017 | $153,000 | -10.0% | 10,259 | 0.0% | 0.05% | -14.5% |
| Q3 2017 | $170,000 | +3.0% | 10,259 | +2.0% | 0.06% | -12.7% |
| Q1 2017 | $165,000 | -18.3% | 10,059 | -24.1% | 0.07% | -33.6% |
| Q4 2016 | $202,000 | +11.0% | 13,259 | +15.2% | 0.11% | +0.9% |
| Q3 2016 | $182,000 | +21.3% | 11,509 | 0.0% | 0.11% | +11.6% |
| Q2 2016 | $150,000 | +20.0% | 11,509 | 0.0% | 0.10% | +10.5% |
| Q1 2016 | $125,000 | -6.0% | 11,509 | 0.0% | 0.09% | -4.4% |
| Q4 2015 | $133,000 | – | 11,509 | – | 0.09% | – |
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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% |