IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 153 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 0.65 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $17,466,000 | +0.6% | 764,028 | -15.2% | 1.33% | +2.6% |
| Q2 2018 | $17,363,000 | +31.3% | 900,856 | +6.1% | 1.29% | +24.4% |
| Q1 2018 | $13,221,000 | +2.1% | 849,299 | -1.0% | 1.04% | +15.0% |
| Q4 2017 | $12,955,000 | -7.9% | 857,747 | -2.9% | 0.90% | -12.1% |
| Q3 2017 | $14,061,000 | -13.5% | 883,217 | +3.3% | 1.03% | -15.0% |
| Q2 2017 | $16,261,000 | +300.7% | 855,314 | +258.4% | 1.21% | +335.3% |
| Q1 2017 | $4,058,000 | – | 238,628 | – | 0.28% | – |
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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% |