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 | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $219,000 | -19.5% | 19,613 | -17.9% | 0.00% | 0.0% |
| Q4 2020 | $272,000 | +28.3% | 23,902 | +1.2% | 0.00% | 0.0% |
| Q3 2020 | $212,000 | -13.1% | 23,613 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $244,000 | +2.5% | 23,613 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $238,000 | -35.3% | 23,613 | -14.5% | 0.00% | -50.0% |
| Q4 2019 | $368,000 | +16.8% | 27,613 | -24.7% | 0.00% | 0.0% |
| Q3 2019 | $315,000 | -21.2% | 36,650 | +0.4% | 0.00% | 0.0% |
| Q2 2019 | $400,000 | -19.0% | 36,519 | 0.0% | 0.00% | -33.3% |
| Q1 2019 | $494,000 | -73.8% | 36,519 | -79.9% | 0.00% | -72.7% |
| Q4 2018 | $1,886,000 | -43.9% | 182,052 | 0.0% | 0.01% | -31.2% |
| Q3 2018 | $3,361,000 | -6.0% | 182,052 | -2.7% | 0.02% | -20.0% |
| Q2 2018 | $3,576,000 | +824.0% | 187,052 | +646.5% | 0.02% | +566.7% |
| Q1 2018 | $387,000 | -26.4% | 25,058 | -28.5% | 0.00% | 0.0% |
| Q4 2017 | $526,000 | – | 35,058 | – | 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% |