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 2023 | $1,444 | -38.5% | 149,900 | -32.1% | 0.01% | -40.0% |
| Q2 2023 | $2,349 | +256.4% | 220,800 | +252.7% | 0.02% | +200.0% |
| Q1 2023 | $659 | -100.0% | 62,600 | -53.8% | 0.01% | -54.5% |
| Q2 2022 | $1,562,000 | -48.9% | 135,500 | -44.2% | 0.01% | -38.9% |
| Q1 2022 | $3,054,000 | -37.0% | 242,800 | -41.4% | 0.02% | -28.0% |
| Q4 2021 | $4,850,000 | -83.3% | 414,500 | -81.3% | 0.02% | -84.3% |
| Q3 2021 | $28,998,000 | +949.9% | 2,220,400 | +934.7% | 0.16% | +835.3% |
| Q2 2021 | $2,762,000 | +14.6% | 214,600 | -0.5% | 0.02% | +6.2% |
| Q1 2021 | $2,410,000 | -69.0% | 215,600 | -68.4% | 0.02% | -69.8% |
| Q4 2020 | $7,778,000 | +115.3% | 682,900 | +70.0% | 0.05% | +103.8% |
| Q3 2020 | $3,612,000 | +67.3% | 401,600 | +92.0% | 0.03% | +52.9% |
| Q2 2020 | $2,159,000 | +155.2% | 209,200 | +149.6% | 0.02% | +325.0% |
| Q1 2020 | $846,000 | -65.9% | 83,800 | -55.0% | 0.00% | -78.9% |
| Q4 2019 | $2,478,000 | +3.4% | 186,200 | -19.5% | 0.02% | -9.5% |
| Q4 2018 | $2,397,000 | – | 231,400 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 2,855,515 | $43,661,000 | 13.90% |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 772,369 | $11,810,000 | 7.13% |
| Rubric Capital Management LP | 1,275,000 | $19,495,000 | 6.70% |
| SECTOR GAMMA AS | 1,972,678 | $30,162,000 | 5.68% |
| BRIDGER MANAGEMENT, LLC | 1,879,313 | $28,735,000 | 2.00% |
| Asymmetry Capital Management, L.P. | 57,363 | $877,000 | 1.63% |
| Orbimed Advisors | 7,241,300 | $110,719,000 | 1.41% |
| Broderick Brian C | 144,476 | $2,209,000 | 0.96% |
| Granahan Investment Management | 1,408,000 | $21,528,000 | 0.74% |
| Spark Investment Management LLC | 499,200 | $7,632,000 | 0.63% |