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 | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $3,544,000 | -3.5% | 192,000 | 0.0% | 0.13% | -14.5% |
| Q2 2018 | $3,671,000 | +23.9% | 192,000 | 0.0% | 0.15% | +9.4% |
| Q1 2018 | $2,963,000 | +3.0% | 192,000 | 0.0% | 0.14% | -7.3% |
| Q4 2017 | $2,878,000 | -5.0% | 192,000 | 0.0% | 0.15% | -12.8% |
| Q3 2017 | $3,028,000 | -16.5% | 192,000 | 0.0% | 0.17% | -23.9% |
| Q2 2017 | $3,625,000 | – | 192,000 | – | 0.23% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |