IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 138 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is 0.71 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $867,000 | -33.2% | 57,851 | -29.7% | 0.10% | -26.8% |
| Q3 2017 | $1,297,000 | +10.2% | 82,251 | +31.9% | 0.14% | -0.7% |
| Q2 2017 | $1,177,000 | +7.4% | 62,351 | -3.0% | 0.14% | +5.9% |
| Q1 2017 | $1,096,000 | +18.2% | 64,251 | +5.9% | 0.14% | -18.2% |
| Q4 2016 | $927,000 | +1.6% | 60,651 | +5.6% | 0.16% | -22.9% |
| Q3 2016 | $912,000 | +83.9% | 57,451 | +51.4% | 0.21% | +72.6% |
| Q2 2016 | $496,000 | +132.9% | 37,951 | +94.6% | 0.12% | +79.7% |
| Q1 2016 | $213,000 | – | 19,500 | – | 0.07% | – |
Download | ||||||
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% |