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 | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $14,000 | +1300.0% | 1,339 | +1239.0% | 0.00% | – |
| Q1 2020 | $1,000 | -99.9% | 100 | -99.9% | 0.00% | -100.0% |
| Q4 2019 | $1,108,000 | +17.9% | 83,300 | -23.9% | 0.01% | +8.3% |
| Q3 2019 | $940,000 | +23400.0% | 109,500 | +27275.0% | 0.01% | – |
| Q2 2019 | $4,000 | -99.5% | 400 | -99.1% | 0.00% | -100.0% |
| Q3 2018 | $795,000 | -86.1% | 43,100 | -85.6% | 0.01% | -87.8% |
| Q2 2018 | $5,737,000 | +62.7% | 300,100 | +31.3% | 0.07% | +60.9% |
| Q1 2018 | $3,527,000 | +206.4% | 228,600 | +197.3% | 0.05% | +318.2% |
| Q4 2017 | $1,151,000 | +94.8% | 76,900 | +105.1% | 0.01% | +83.3% |
| Q3 2017 | $591,000 | +11.1% | 37,500 | +33.0% | 0.01% | -14.3% |
| Q2 2017 | $532,000 | -54.6% | 28,200 | -59.0% | 0.01% | -61.1% |
| Q1 2017 | $1,173,000 | -33.5% | 68,800 | -40.4% | 0.02% | -21.7% |
| Q4 2016 | $1,765,000 | -69.2% | 115,500 | -68.0% | 0.02% | -73.3% |
| Q3 2016 | $5,737,000 | -56.5% | 361,300 | -64.2% | 0.09% | -57.0% |
| Q2 2016 | $13,190,000 | +3690.2% | 1,008,800 | +17598.2% | 0.20% | +1900.0% |
| Q1 2016 | $348,000 | +3.3% | 5,700 | +89.2% | 0.01% | +42.9% |
| Q4 2015 | $337,000 | -57.8% | 3,013 | -5.7% | 0.01% | -63.2% |
| Q3 2015 | $798,000 | +107.3% | 3,194 | +68.6% | 0.02% | +111.1% |
| Q2 2015 | $385,000 | – | 1,894 | – | 0.01% | – |
Download | ||||||
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% |