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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $2,000 | +100.0% | 141 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | -66.7% | 141 | -46.4% | 0.00% | – |
| Q2 2019 | $3,000 | 0.0% | 263 | 0.0% | 0.00% | – |
| Q1 2019 | $3,000 | +50.0% | 263 | +24.1% | 0.00% | – |
| Q4 2018 | $2,000 | -81.8% | 212 | -65.6% | 0.00% | – |
| Q3 2018 | $11,000 | +266.7% | 617 | +260.8% | 0.00% | – |
| Q2 2018 | $3,000 | +50.0% | 171 | 0.0% | 0.00% | – |
| Q1 2018 | $2,000 | -33.3% | 171 | -5.5% | 0.00% | – |
| Q4 2017 | $3,000 | -25.0% | 181 | -31.4% | 0.00% | – |
| Q3 2017 | $4,000 | +33.3% | 264 | +55.3% | 0.00% | – |
| Q2 2017 | $3,000 | +200.0% | 170 | +78.9% | 0.00% | – |
| Q1 2017 | $1,000 | 0.0% | 95 | +23.4% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 77 | 0.0% | 0.00% | – |
| Q3 2016 | $1,000 | – | 77 | – | 0.00% | – |
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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% |