IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2017. The put-call ratio across all filers is 0.83 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $105,000 | -3.7% | 6,850 | 0.0% | 0.02% | -4.5% |
| Q3 2016 | $109,000 | +91.2% | 6,850 | +24.5% | 0.02% | +46.7% |
| Q3 2015 | $57,000 | -13.6% | 5,500 | 0.0% | 0.02% | -11.8% |
| Q2 2015 | $66,000 | -25.0% | 5,500 | 0.0% | 0.02% | -22.7% |
| Q1 2015 | $88,000 | +4.8% | 5,500 | 0.0% | 0.02% | -4.3% |
| Q4 2014 | $84,000 | +18.3% | 5,500 | 0.0% | 0.02% | +4.5% |
| Q3 2014 | $71,000 | +2.9% | 5,500 | +22.2% | 0.02% | 0.0% |
| Q2 2014 | $69,000 | +25.5% | 4,500 | 0.0% | 0.02% | +22.2% |
| Q1 2014 | $55,000 | +5.8% | 4,500 | 0.0% | 0.02% | -5.3% |
| Q4 2013 | $52,000 | -41.6% | 4,500 | -40.0% | 0.02% | -47.2% |
| Q3 2013 | $89,000 | +20.3% | 7,500 | 0.0% | 0.04% | +2.9% |
| Q2 2013 | $74,000 | -32.7% | 7,500 | +25.0% | 0.04% | -37.5% |
| Q1 2013 | $110,000 | +66.7% | 6,000 | 0.0% | 0.06% | +30.2% |
| Q4 2012 | $66,000 | – | 6,000 | – | 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% |