IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 218 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $170,123 | -82.8% | 15,989 | -83.0% | 0.01% | -85.4% |
| Q1 2023 | $990,700 | -32.8% | 94,173 | -20.8% | 0.04% | -47.4% |
| Q4 2022 | $1,473,964 | +863.4% | 118,964 | +706.9% | 0.08% | +1200.0% |
| Q3 2022 | $153,000 | -86.9% | 14,744 | -84.1% | 0.01% | -88.0% |
| Q1 2022 | $1,164,000 | +24.1% | 92,587 | +29.0% | 0.05% | -26.5% |
| Q3 2021 | $938,000 | -64.7% | 71,800 | -65.2% | 0.07% | -73.4% |
| Q2 2021 | $2,655,000 | +1029.8% | 206,300 | +882.4% | 0.26% | +1063.6% |
| Q1 2021 | $235,000 | – | 21,000 | – | 0.02% | – |
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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% |