IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 165 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 0.86 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $862,000 | -70.6% | 89,500 | -59.3% | 0.00% | -73.3% |
| Q4 2019 | $2,928,000 | +45.2% | 220,000 | +101.5% | 0.02% | +50.0% |
| Q3 2018 | $2,016,000 | -12.4% | 109,200 | -9.3% | 0.01% | -16.7% |
| Q2 2018 | $2,301,000 | +37.9% | 120,370 | +11.3% | 0.01% | +33.3% |
| Q1 2018 | $1,669,000 | -10.8% | 108,195 | -13.4% | 0.01% | 0.0% |
| Q4 2017 | $1,872,000 | -1.8% | 124,909 | +3.3% | 0.01% | -10.0% |
| Q3 2017 | $1,906,000 | -56.2% | 120,888 | -47.6% | 0.01% | -16.7% |
| Q2 2017 | $4,356,000 | +568.1% | 230,750 | +503.7% | 0.01% | +200.0% |
| Q1 2017 | $652,000 | – | 38,220 | – | 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% |