IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 214 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $6,547,000 | +8.0% | 520,000 | 0.0% | 0.77% | +15.2% |
| Q4 2021 | $6,063,000 | -10.7% | 520,000 | 0.0% | 0.67% | -14.5% |
| Q3 2021 | $6,791,000 | +1.5% | 520,000 | 0.0% | 0.78% | +6.8% |
| Q2 2021 | $6,692,000 | +15.1% | 520,000 | 0.0% | 0.74% | +5.5% |
| Q1 2021 | $5,814,000 | +1.7% | 520,000 | +3.6% | 0.70% | -20.9% |
| Q4 2020 | $5,716,000 | +26.6% | 501,874 | 0.0% | 0.88% | +7.6% |
| Q3 2020 | $4,514,000 | +6.8% | 501,874 | +22.6% | 0.82% | +6.1% |
| Q2 2020 | $4,226,000 | +946.0% | 409,500 | +923.8% | 0.77% | +841.5% |
| Q1 2020 | $404,000 | +344.0% | 40,000 | +378.6% | 0.08% | +583.3% |
| Q2 2019 | $91,000 | – | 8,358 | – | 0.01% | – |
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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% |