IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 166 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.80 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $12,056,000 | +1.1% | 781,339 | -1.8% | 0.27% | +8.0% |
| Q4 2017 | $11,927,000 | +5.0% | 795,659 | +10.5% | 0.25% | +1.2% |
| Q3 2017 | $11,355,000 | -8.8% | 720,069 | +9.2% | 0.25% | -6.8% |
| Q2 2017 | $12,452,000 | +22.5% | 659,509 | +10.7% | 0.26% | +20.5% |
| Q1 2017 | $10,165,000 | +7.2% | 595,835 | -4.0% | 0.22% | +2.3% |
| Q4 2016 | $9,485,000 | +53.0% | 620,345 | +58.9% | 0.21% | +81.4% |
| Q3 2016 | $6,200,000 | +21.4% | 390,435 | 0.0% | 0.12% | +15.7% |
| Q2 2016 | $5,105,000 | +26.4% | 390,435 | +5.8% | 0.10% | +27.5% |
| Q1 2016 | $4,038,000 | – | 369,085 | – | 0.08% | – |
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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% |