IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 158 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2016. The put-call ratio across all filers is 2.50 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $525,000 | +2.9% | 34,000 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $510,000 | -4.9% | 34,000 | 0.0% | 0.01% | -7.1% |
| Q3 2017 | $536,000 | -6.6% | 34,000 | +11.8% | 0.01% | -12.5% |
| Q2 2017 | $574,000 | +10.6% | 30,400 | 0.0% | 0.02% | +6.7% |
| Q1 2017 | $519,000 | +11.6% | 30,400 | 0.0% | 0.02% | +7.1% |
| Q4 2016 | $465,000 | -4.9% | 30,400 | -1.3% | 0.01% | 0.0% |
| Q3 2016 | $489,000 | +24.7% | 30,800 | +2.7% | 0.01% | +16.7% |
| Q2 2016 | $392,000 | -69.5% | 30,000 | -75.7% | 0.01% | -69.2% |
| Q3 2015 | $1,284,000 | -35.2% | 123,270 | -25.0% | 0.04% | -29.1% |
| Q2 2015 | $1,983,000 | – | 164,400 | – | 0.06% | – |
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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% |