IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 205 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $117 | -68.5% | 10,950 | -63.5% | 0.06% | -65.6% |
| Q4 2022 | $372 | -99.9% | 30,000 | -26.8% | 0.18% | -21.1% |
| Q3 2022 | $425,000 | -10.1% | 41,000 | 0.0% | 0.23% | -3.3% |
| Q2 2022 | $473,000 | -8.3% | 41,000 | 0.0% | 0.24% | +3.4% |
| Q1 2022 | $516,000 | +7.9% | 41,000 | 0.0% | 0.23% | +12.6% |
| Q4 2021 | $478,000 | -10.7% | 41,000 | 0.0% | 0.21% | -18.3% |
| Q3 2021 | $535,000 | +1.3% | 41,000 | 0.0% | 0.25% | +2.4% |
| Q2 2021 | $528,000 | +15.3% | 41,000 | 0.0% | 0.25% | +7.9% |
| Q1 2021 | $458,000 | -1.9% | 41,000 | 0.0% | 0.23% | -4.2% |
| Q4 2020 | $467,000 | +26.6% | 41,000 | 0.0% | 0.24% | +8.2% |
| Q3 2020 | $369,000 | -12.8% | 41,000 | 0.0% | 0.22% | -16.0% |
| Q2 2020 | $423,000 | +2.2% | 41,000 | 0.0% | 0.26% | -20.6% |
| Q1 2020 | $414,000 | -24.2% | 41,000 | 0.0% | 0.33% | -6.2% |
| Q4 2019 | $546,000 | +55.1% | 41,000 | 0.0% | 0.35% | +40.2% |
| Q3 2019 | $352,000 | -21.6% | 41,000 | 0.0% | 0.25% | -16.6% |
| Q2 2019 | $449,000 | -19.1% | 41,000 | 0.0% | 0.30% | -17.1% |
| Q1 2019 | $555,000 | +30.6% | 41,000 | 0.0% | 0.36% | +16.3% |
| Q4 2018 | $425,000 | -43.9% | 41,000 | 0.0% | 0.31% | -32.5% |
| Q3 2018 | $757,000 | -3.4% | 41,000 | 0.0% | 0.46% | -9.8% |
| Q2 2018 | $784,000 | +23.9% | 41,000 | 0.0% | 0.51% | +19.6% |
| Q1 2018 | $633,000 | +2.9% | 41,000 | 0.0% | 0.43% | +6.2% |
| Q4 2017 | $615,000 | – | 41,000 | – | 0.40% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |