IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 132 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2015. The put-call ratio across all filers is 1.51 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $58,528,000 | -45.5% | 3,100 | -50.8% | 0.01% | -40.0% |
| Q1 2017 | $107,478,000 | -95.4% | 6,300 | -96.7% | 0.02% | -92.2% |
| Q2 2015 | $2,321,550,000 | -24.6% | 192,500 | 0.0% | 0.26% | -24.6% |
| Q1 2015 | $3,080,000,000 | +5.5% | 192,500 | +1.0% | 0.34% | -9.5% |
| Q4 2014 | $2,918,460,000 | +24.6% | 190,500 | +5.4% | 0.38% | +15.2% |
| Q3 2014 | $2,342,264,000 | – | 180,800 | – | 0.33% | – |
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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% |