IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 153 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 0.65 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 | $188,977,000 | 19.02% |
| 13D Management LLC | 600,431 | $6,923,000 | 3.06% |
| BRIDGER MANAGEMENT, LLC | 956,014 | $11,023,000 | 2.48% |
| Brown Capital Management | 11,641,935 | $134,232,000 | 1.80% |
| Price Jennifer C. | 520,000 | $5,996,000 | 1.02% |
| Monarch Partners Asset Management LLC | 272,425 | $3,141,000 | 0.88% |
| ALPHASIMPLEX GROUP, LLC | 10,510 | $121,000 | 0.86% |
| Intrinsic Value Partners, LLC | 54,105 | $624,000 | 0.80% |
| CLARK ESTATES INC/NY | 355,000 | $4,093,000 | 0.71% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 692 | $60,000,000 | 0.63% |