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 | $899,000 | -48.2% | 60,000 | -45.5% | 0.02% | -64.1% |
| Q3 2017 | $1,735,000 | -16.5% | 110,000 | 0.0% | 0.06% | -27.3% |
| Q2 2017 | $2,077,000 | -2.6% | 110,000 | -12.0% | 0.09% | +3.5% |
| Q1 2017 | $2,133,000 | +15.3% | 125,000 | +3.3% | 0.08% | -5.6% |
| Q4 2016 | $1,850,000 | +21.4% | 121,000 | +26.0% | 0.09% | -4.3% |
| Q3 2016 | $1,524,000 | +18.4% | 96,000 | -2.5% | 0.09% | -6.0% |
| Q2 2016 | $1,287,000 | -30.8% | 98,415 | -42.1% | 0.10% | +23.5% |
| Q1 2016 | $1,860,000 | +26.4% | 170,000 | +33.9% | 0.08% | -19.8% |
| Q4 2015 | $1,472,000 | +11.3% | 127,000 | 0.0% | 0.10% | +74.1% |
| Q3 2015 | $1,323,000 | -4.6% | 127,000 | +10.4% | 0.06% | +5.5% |
| Q2 2015 | $1,387,000 | -8.8% | 115,000 | +21.1% | 0.06% | -17.9% |
| Q1 2015 | $1,520,000 | +16.7% | 95,000 | +11.8% | 0.07% | +48.9% |
| Q4 2014 | $1,302,000 | -33.0% | 85,000 | -43.3% | 0.04% | -4.3% |
| Q3 2014 | $1,943,000 | -18.2% | 150,000 | -3.2% | 0.05% | -9.6% |
| Q2 2014 | $2,376,000 | +15.0% | 155,000 | -7.6% | 0.05% | +26.8% |
| Q1 2014 | $2,066,000 | +60.8% | 167,690 | +51.5% | 0.04% | +46.4% |
| Q4 2013 | $1,285,000 | -42.9% | 110,713 | -41.7% | 0.03% | +16.7% |
| Q3 2013 | $2,250,000 | +74.3% | 190,004 | +46.2% | 0.02% | -36.8% |
| Q2 2013 | $1,291,000 | – | 130,000 | – | 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% |