IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.80 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $285,000 | -45.8% | 22,175 | -52.1% | 0.03% | -39.5% |
| Q4 2020 | $526,000 | -23.4% | 46,255 | -8.9% | 0.04% | +7.5% |
| Q1 2019 | $687,000 | -1.9% | 50,800 | -24.9% | 0.04% | +11.1% |
| Q4 2018 | $700,000 | +25.9% | 67,600 | +132.3% | 0.04% | +227.3% |
| Q2 2018 | $556,000 | +26.1% | 29,100 | +24.4% | 0.01% | +57.1% |
| Q2 2017 | $441,000 | -22.5% | 23,400 | -29.9% | 0.01% | -22.2% |
| Q1 2017 | $569,000 | +157.5% | 33,400 | +130.3% | 0.01% | +50.0% |
| Q4 2016 | $221,000 | +19.5% | 14,500 | +23.9% | 0.01% | 0.0% |
| Q3 2016 | $185,000 | -80.5% | 11,700 | -83.9% | 0.01% | -86.4% |
| Q2 2016 | $948,000 | – | 72,500 | – | 0.04% | – |
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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% |