IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 214 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $311,823 | -15.1% | 29,641 | 0.0% | 0.01% | -14.3% |
| Q4 2022 | $367,252 | +24.1% | 29,641 | +3.9% | 0.01% | +16.7% |
| Q3 2022 | $296,000 | -10.0% | 28,531 | 0.0% | 0.01% | 0.0% |
| Q2 2022 | $329,000 | -8.4% | 28,531 | 0.0% | 0.01% | +20.0% |
| Q1 2022 | $359,000 | +7.8% | 28,531 | 0.0% | 0.01% | 0.0% |
| Q4 2021 | $333,000 | -10.7% | 28,531 | 0.0% | 0.01% | -16.7% |
| Q3 2021 | $373,000 | +1.6% | 28,531 | 0.0% | 0.01% | +20.0% |
| Q2 2021 | $367,000 | +15.0% | 28,531 | 0.0% | 0.01% | 0.0% |
| Q1 2021 | $319,000 | -1.8% | 28,531 | 0.0% | 0.01% | 0.0% |
| Q4 2020 | $325,000 | +26.5% | 28,531 | 0.0% | 0.01% | 0.0% |
| Q3 2020 | $257,000 | -12.6% | 28,531 | 0.0% | 0.01% | -16.7% |
| Q2 2020 | $294,000 | -45.6% | 28,531 | -46.7% | 0.01% | -53.8% |
| Q1 2020 | $540,000 | -24.2% | 53,531 | 0.0% | 0.01% | +30.0% |
| Q4 2019 | $712,000 | +190.6% | 53,531 | +87.6% | 0.01% | +233.3% |
| Q3 2019 | $245,000 | -21.5% | 28,531 | 0.0% | 0.00% | -25.0% |
| Q2 2019 | $312,000 | -19.2% | 28,531 | 0.0% | 0.00% | -20.0% |
| Q1 2019 | $386,000 | +29.5% | 28,531 | -0.9% | 0.01% | +25.0% |
| Q4 2018 | $298,000 | -44.0% | 28,804 | 0.0% | 0.00% | -42.9% |
| Q3 2018 | $532,000 | -3.4% | 28,804 | 0.0% | 0.01% | 0.0% |
| Q2 2018 | $551,000 | +20.6% | 28,804 | -2.7% | 0.01% | +16.7% |
| Q1 2018 | $457,000 | +2.9% | 29,612 | 0.0% | 0.01% | +20.0% |
| Q4 2017 | $444,000 | -4.9% | 29,612 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $467,000 | -16.5% | 29,612 | 0.0% | 0.01% | -28.6% |
| Q2 2017 | $559,000 | +10.7% | 29,612 | 0.0% | 0.01% | +16.7% |
| Q1 2017 | $505,000 | +11.5% | 29,612 | 0.0% | 0.01% | 0.0% |
| Q4 2016 | $453,000 | -42.5% | 29,612 | -40.3% | 0.01% | -33.3% |
| Q3 2016 | $788,000 | -39.3% | 49,612 | -50.0% | 0.01% | +12.5% |
| Q2 2016 | $1,298,000 | +139.0% | 99,224 | +100.0% | 0.01% | +14.3% |
| Q1 2016 | $543,000 | -5.6% | 49,612 | 0.0% | 0.01% | -12.5% |
| Q4 2015 | $575,000 | +9.3% | 49,612 | -1.7% | 0.01% | +14.3% |
| Q3 2015 | $526,000 | -13.6% | 50,495 | 0.0% | 0.01% | 0.0% |
| Q2 2015 | $609,000 | -24.6% | 50,495 | 0.0% | 0.01% | -22.2% |
| Q1 2015 | $808,000 | +4.4% | 50,495 | 0.0% | 0.01% | +12.5% |
| Q4 2014 | $774,000 | +18.3% | 50,495 | 0.0% | 0.01% | +14.3% |
| Q3 2014 | $654,000 | -15.5% | 50,495 | 0.0% | 0.01% | -12.5% |
| Q2 2014 | $774,000 | +24.4% | 50,495 | 0.0% | 0.01% | 0.0% |
| Q1 2014 | $622,000 | +4.0% | 50,495 | -1.9% | 0.01% | 0.0% |
| Q4 2013 | $598,000 | -2.0% | 51,495 | 0.0% | 0.01% | 0.0% |
| Q3 2013 | $610,000 | +19.4% | 51,495 | 0.0% | 0.01% | +14.3% |
| Q2 2013 | $511,000 | – | 51,495 | – | 0.01% | – |
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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% |