IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 157 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 0.79 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $285,000 | -45.8% | 22,175 | -52.1% | 0.03% | -39.5% |
| Q4 2020 | $526,000 | -23.4% | 46,255 | -8.9% | 0.04% | +7.5% |
| Q1 2019 | $687,000 | -1.9% | 50,800 | -24.9% | 0.04% | +11.1% |
| Q4 2018 | $700,000 | +25.9% | 67,600 | +132.3% | 0.04% | +227.3% |
| Q2 2018 | $556,000 | +26.1% | 29,100 | +24.4% | 0.01% | +57.1% |
| Q2 2017 | $441,000 | -22.5% | 23,400 | -29.9% | 0.01% | -22.2% |
| Q1 2017 | $569,000 | +157.5% | 33,400 | +130.3% | 0.01% | +50.0% |
| Q4 2016 | $221,000 | +19.5% | 14,500 | +23.9% | 0.01% | 0.0% |
| Q3 2016 | $185,000 | -80.5% | 11,700 | -83.9% | 0.01% | -86.4% |
| Q2 2016 | $948,000 | – | 72,500 | – | 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% |