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 | $991,225 | +21.6% | 102,931 | +34.4% | 0.00% | – |
| Q2 2023 | $815,066 | +1.4% | 76,604 | +0.2% | 0.00% | – |
| Q1 2023 | $803,917 | +86157.2% | 76,418 | +1.6% | 0.00% | -100.0% |
| Q4 2022 | $932 | -99.9% | 75,247 | -22.2% | 0.00% | 0.0% |
| Q3 2022 | $1,002,000 | -40.0% | 96,741 | -33.2% | 0.00% | 0.0% |
| Q2 2022 | $1,669,000 | -8.2% | 144,786 | +0.2% | 0.00% | 0.0% |
| Q1 2022 | $1,818,000 | +7.9% | 144,517 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $1,685,000 | +50.2% | 144,517 | +68.2% | 0.00% | 0.0% |
| Q3 2021 | $1,122,000 | -15.1% | 85,918 | -16.3% | 0.00% | 0.0% |
| Q2 2021 | $1,321,000 | +45.0% | 102,624 | +25.9% | 0.00% | 0.0% |
| Q1 2021 | $911,000 | -0.2% | 81,518 | +1.7% | 0.00% | 0.0% |
| Q4 2020 | $913,000 | +59.9% | 80,189 | +26.2% | 0.00% | – |
| Q3 2020 | $571,000 | -37.5% | 63,532 | -28.2% | 0.00% | -100.0% |
| Q2 2020 | $914,000 | +2.4% | 88,521 | +0.1% | 0.00% | 0.0% |
| Q1 2020 | $893,000 | -35.7% | 88,468 | -15.2% | 0.00% | 0.0% |
| Q4 2019 | $1,388,000 | -25.7% | 104,280 | -52.1% | 0.00% | -50.0% |
| Q3 2019 | $1,868,000 | -21.5% | 217,537 | 0.0% | 0.00% | -33.3% |
| Q2 2019 | $2,380,000 | -47.0% | 217,537 | -42.2% | 0.00% | 0.0% |
| Q1 2019 | $4,492,000 | +128.0% | 376,575 | +98.0% | 0.00% | 0.0% |
| Q4 2018 | $1,970,000 | -47.0% | 190,147 | -5.5% | 0.00% | -40.0% |
| Q3 2018 | $3,714,000 | -8.0% | 201,169 | -4.8% | 0.01% | 0.0% |
| Q2 2018 | $4,039,000 | -2.2% | 211,240 | -21.1% | 0.01% | 0.0% |
| Q1 2018 | $4,131,000 | -4.7% | 267,702 | -7.4% | 0.01% | -16.7% |
| Q4 2017 | $4,335,000 | +36.7% | 289,214 | +43.8% | 0.01% | +50.0% |
| Q3 2017 | $3,171,000 | -17.2% | 201,059 | -0.9% | 0.00% | -33.3% |
| Q2 2017 | $3,830,000 | +10.7% | 202,850 | 0.0% | 0.01% | 0.0% |
| Q1 2017 | $3,461,000 | +11.6% | 202,850 | 0.0% | 0.01% | +20.0% |
| Q4 2016 | $3,102,000 | -19.4% | 202,850 | -16.3% | 0.01% | -28.6% |
| Q3 2016 | $3,850,000 | +20.1% | 242,450 | 0.0% | 0.01% | +16.7% |
| Q2 2016 | $3,205,000 | +20.7% | 242,450 | +2.9% | 0.01% | +20.0% |
| Q1 2016 | $2,656,000 | – | 235,675 | – | 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% |