IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 141 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2014. The put-call ratio across all filers is 2.95 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $6,980,000 | -45.1% | 602,271 | -50.7% | 0.68% | -39.1% |
| Q3 2015 | $12,721,000 | +108.0% | 1,220,835 | +140.7% | 1.11% | +155.4% |
| Q2 2015 | $6,117,000 | -1.8% | 507,224 | +24.7% | 0.44% | +1.6% |
| Q4 2014 | $6,231,000 | +48.0% | 406,711 | +25.1% | 0.43% | +47.1% |
| Q3 2014 | $4,210,000 | – | 325,000 | – | 0.29% | – |
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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% |