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 2020 | $2,649,000 | -52.3% | 262,577 | -37.1% | 0.27% | -16.3% |
| Q4 2019 | $5,556,000 | +68.5% | 417,407 | +8.7% | 0.32% | +103.2% |
| Q3 2019 | $3,298,000 | -21.8% | 384,155 | -0.4% | 0.16% | -16.5% |
| Q2 2019 | $4,218,000 | -19.7% | 385,600 | -0.7% | 0.19% | -7.4% |
| Q1 2019 | $5,256,000 | +79.9% | 388,435 | +37.8% | 0.20% | +72.0% |
| Q4 2018 | $2,921,000 | -45.7% | 281,910 | -3.2% | 0.12% | -25.3% |
| Q3 2018 | $5,375,000 | +15.1% | 291,165 | +19.2% | 0.16% | +10.5% |
| Q2 2018 | $4,671,000 | +37.1% | 244,275 | +10.7% | 0.14% | +31.2% |
| Q1 2018 | $3,406,000 | +6.3% | 220,750 | +3.3% | 0.11% | +11.2% |
| Q4 2017 | $3,203,000 | +71.9% | 213,680 | +80.9% | 0.10% | +66.1% |
| Q3 2017 | $1,863,000 | -34.6% | 118,135 | -21.7% | 0.06% | -23.4% |
| Q2 2017 | $2,848,000 | +36.1% | 150,830 | +23.0% | 0.08% | +28.3% |
| Q1 2017 | $2,092,000 | -0.2% | 122,640 | -10.5% | 0.06% | +7.1% |
| Q4 2016 | $2,096,000 | +52.9% | 137,100 | +58.8% | 0.06% | +47.4% |
| Q3 2016 | $1,371,000 | – | 86,310 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $172,422,800 | 22.05% |
| 13D Management LLC | 533,562 | $5,613,073 | 2.85% |
| Quantedge Capital Pte Ltd | 541,200 | $5,693,424 | 2.22% |
| Price Jennifer C. | 520,000 | $5,470,400 | 1.74% |
| Tamarack Advisers, LP | 210,000 | $2,209,200 | 0.81% |
| Intrinsic Value Partners, LLC | 51,605 | $542,885 | 0.73% |
| Brown Capital Management | 3,933,933 | $41,384,975 | 0.62% |
| Old West Investment Management, LLC | 75,219 | $791,303 | 0.43% |
| EMC Capital Management | 43,315 | $456 | 0.38% |
| Hillsdale Investment Management Inc. | 420,617 | $4,424,891 | 0.38% |