IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 170 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2017. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $43,000 | +152.9% | 4,200 | +145.8% | 0.01% | +33.3% |
| Q1 2020 | $17,000 | -93.2% | 1,709 | -90.9% | 0.01% | -81.6% |
| Q4 2019 | $250,000 | +8.7% | 18,800 | -29.9% | 0.05% | -18.3% |
| Q3 2019 | $230,000 | +103.5% | 26,835 | +159.7% | 0.06% | +81.8% |
| Q2 2019 | $113,000 | -40.5% | 10,335 | -31.1% | 0.03% | +32.0% |
| Q1 2019 | $190,000 | +9400.0% | 15,000 | +14900.0% | 0.02% | – |
| Q1 2018 | $2,000 | -98.3% | 100 | -98.8% | 0.00% | -100.0% |
| Q4 2017 | $121,000 | -63.0% | 8,101 | -53.2% | 0.03% | -43.8% |
| Q2 2017 | $327,000 | +91.2% | 17,314 | +54.6% | 0.05% | +118.2% |
| Q4 2016 | $171,000 | -2.3% | 11,200 | +2.2% | 0.02% | -31.2% |
| Q1 2015 | $175,000 | – | 10,962 | – | 0.03% | – |
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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% |