IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 142 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2015. The put-call ratio across all filers is 0.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $770,000 | +19.2% | 58,894 | -0.3% | 0.01% | +20.0% |
| Q1 2016 | $646,000 | -11.7% | 59,084 | -6.5% | 0.01% | 0.0% |
| Q4 2015 | $732,000 | +14.9% | 63,169 | +3.3% | 0.01% | 0.0% |
| Q3 2015 | $637,000 | -35.0% | 61,124 | -24.7% | 0.01% | -16.7% |
| Q2 2015 | $980,000 | -3.4% | 81,224 | +28.0% | 0.01% | +20.0% |
| Q1 2015 | $1,015,000 | +46.9% | 63,474 | +40.7% | 0.01% | +66.7% |
| Q4 2014 | $691,000 | +29.9% | 45,124 | +9.9% | 0.00% | +50.0% |
| Q3 2014 | $532,000 | -16.0% | 41,074 | -0.5% | 0.00% | -33.3% |
| Q2 2014 | $633,000 | -78.4% | 41,274 | -82.7% | 0.00% | -75.0% |
| Q1 2014 | $2,931,000 | -69.8% | 237,917 | -71.5% | 0.01% | -70.7% |
| Q4 2013 | $9,704,000 | -29.3% | 835,800 | -27.8% | 0.04% | -34.9% |
| Q3 2013 | $13,720,000 | -55.4% | 1,157,868 | -62.5% | 0.06% | -17.1% |
| Q2 2013 | $30,740,000 | – | 3,089,298 | – | 0.08% | – |
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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% |