IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 167 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2019. The put-call ratio across all filers is 0.20 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $2,000 | -33.3% | 300 | 0.0% | 0.00% | – |
| Q2 2020 | $3,000 | 0.0% | 300 | 0.0% | 0.00% | -100.0% |
| Q1 2020 | $3,000 | -25.0% | 300 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $4,000 | +100.0% | 300 | 0.0% | 0.00% | – |
| Q3 2019 | $2,000 | -33.3% | 300 | 0.0% | 0.00% | -100.0% |
| Q2 2019 | $3,000 | -25.0% | 300 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $4,000 | +33.3% | 300 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $3,000 | -40.0% | 300 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $5,000 | 0.0% | 300 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $5,000 | – | 300 | – | 0.00% | – |
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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% |