IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 140 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2014. The put-call ratio across all filers is 0.67 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $612,000 | +16.6% | 38,525 | -4.1% | 0.09% | +13.6% |
| Q2 2016 | $525,000 | -11.8% | 40,175 | -26.1% | 0.08% | -15.6% |
| Q1 2016 | $595,000 | -46.2% | 54,375 | -43.0% | 0.10% | -48.4% |
| Q4 2015 | $1,105,000 | +21.3% | 95,375 | +9.0% | 0.19% | +18.5% |
| Q3 2015 | $911,000 | -2.1% | 87,475 | +13.3% | 0.16% | +15.4% |
| Q2 2015 | $931,000 | -12.9% | 77,225 | +15.6% | 0.14% | -10.5% |
| Q1 2015 | $1,069,000 | +14.8% | 66,825 | +10.0% | 0.15% | +12.6% |
| Q4 2014 | $931,000 | +22.5% | 60,775 | +3.6% | 0.14% | +16.4% |
| Q3 2014 | $760,000 | +15.3% | 58,650 | +36.4% | 0.12% | +27.5% |
| Q2 2014 | $659,000 | +33.7% | 43,000 | +7.5% | 0.09% | +23.0% |
| Q1 2014 | $493,000 | +6.2% | 40,000 | 0.0% | 0.07% | -5.1% |
| Q4 2013 | $464,000 | +95.8% | 40,000 | +100.0% | 0.08% | +85.7% |
| Q3 2013 | $237,000 | +19.1% | 20,000 | 0.0% | 0.04% | +40.0% |
| Q2 2013 | $199,000 | – | 20,000 | – | 0.03% | – |
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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% |