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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $74,815 | -4.9% | 7,769 | +5.0% | 0.00% | 0.0% |
| Q2 2023 | $78,704 | +1.1% | 7,397 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $77,816 | -24.0% | 7,397 | -10.5% | 0.00% | -20.0% |
| Q4 2022 | $102,441 | +19.6% | 8,268 | 0.0% | 0.01% | +25.0% |
| Q3 2022 | $85,656 | -10.1% | 8,268 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $95,330 | -18.9% | 8,268 | -11.5% | 0.00% | 0.0% |
| Q1 2022 | $117,510 | -70.8% | 9,341 | -72.9% | 0.00% | -20.0% |
| Q4 2021 | $402,457 | -19.7% | 34,516 | -10.1% | 0.01% | -28.6% |
| Q3 2021 | $501,347 | -13.5% | 38,388 | -14.7% | 0.01% | -12.5% |
| Q2 2021 | $579,369 | +20.8% | 45,017 | +4.9% | 0.01% | +14.3% |
| Q1 2021 | $479,644 | +1.8% | 42,902 | +3.7% | 0.01% | 0.0% |
| Q4 2020 | $471,170 | +19.7% | 41,367 | -5.5% | 0.01% | 0.0% |
| Q3 2020 | $393,720 | -22.4% | 43,771 | -10.9% | 0.01% | -22.2% |
| Q2 2020 | $507,218 | +0.4% | 49,149 | -1.9% | 0.01% | -18.2% |
| Q1 2020 | $505,378 | -23.0% | 50,087 | +1.6% | 0.01% | 0.0% |
| Q4 2019 | $656,223 | +50.3% | 49,303 | -3.1% | 0.01% | +57.1% |
| Q3 2019 | $436,659 | -10.8% | 50,863 | +13.6% | 0.01% | -12.5% |
| Q2 2019 | $489,795 | -19.1% | 44,771 | 0.0% | 0.01% | -27.3% |
| Q1 2019 | $605,752 | +30.6% | 44,771 | 0.0% | 0.01% | +22.2% |
| Q4 2018 | $463,828 | -43.9% | 44,771 | 0.0% | 0.01% | -40.0% |
| Q3 2018 | $826,473 | -99.9% | 44,771 | 0.0% | 0.02% | +7.1% |
| Q2 2018 | $856,022,000 | +26.5% | 44,771 | +2.1% | 0.01% | +40.0% |
| Q1 2018 | $676,467,000 | +107105.5% | 43,841 | +4.1% | 0.01% | +25.0% |
| Q4 2017 | $631,000 | -56.2% | 42,125 | -53.9% | 0.01% | -11.1% |
| Q3 2017 | $1,440,000 | -16.4% | 91,282 | 0.0% | 0.01% | -25.0% |
| Q2 2017 | $1,723,000 | +11.4% | 91,282 | +0.7% | 0.01% | +9.1% |
| Q1 2017 | $1,547,000 | +8.4% | 90,655 | -2.8% | 0.01% | +10.0% |
| Q4 2016 | $1,427,000 | -3.7% | 93,310 | 0.0% | 0.01% | -9.1% |
| Q3 2016 | $1,482,000 | +18.7% | 93,310 | -2.3% | 0.01% | +22.2% |
| Q2 2016 | $1,249,000 | +28.5% | 95,517 | +7.5% | 0.01% | +28.6% |
| Q1 2016 | $972,000 | -4.2% | 88,848 | +1.5% | 0.01% | -12.5% |
| Q4 2015 | $1,015,000 | +13.8% | 87,559 | +2.2% | 0.01% | +33.3% |
| Q3 2015 | $892,000 | -16.2% | 85,634 | -3.0% | 0.01% | -14.3% |
| Q2 2015 | $1,064,000 | -28.0% | 88,245 | -4.4% | 0.01% | -36.4% |
| Q1 2015 | $1,477,000 | +4.5% | 92,285 | 0.0% | 0.01% | +10.0% |
| Q4 2014 | $1,414,000 | +18.2% | 92,285 | 0.0% | 0.01% | +11.1% |
| Q3 2014 | $1,196,000 | -15.5% | 92,285 | 0.0% | 0.01% | -10.0% |
| Q2 2014 | $1,415,000 | +33.7% | 92,285 | +7.4% | 0.01% | +42.9% |
| Q1 2014 | $1,058,000 | +20.5% | 85,904 | +13.6% | 0.01% | +16.7% |
| Q4 2013 | $878,000 | -2.0% | 75,598 | 0.0% | 0.01% | -14.3% |
| Q3 2013 | $896,000 | +29.1% | 75,598 | +8.4% | 0.01% | +16.7% |
| Q2 2013 | $694,000 | – | 69,750 | – | 0.01% | – |
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% |