IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 138 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 1.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $179,000 | -80.9% | 11,380 | -77.0% | 0.04% | -82.3% |
| Q2 2017 | $936,000 | +327.4% | 49,580 | +286.4% | 0.20% | +314.3% |
| Q1 2017 | $219,000 | -63.1% | 12,830 | -67.0% | 0.05% | -65.2% |
| Q4 2016 | $594,000 | -72.8% | 38,830 | -71.8% | 0.14% | -73.1% |
| Q3 2016 | $2,187,000 | +21.4% | 137,757 | 0.0% | 0.52% | +21.2% |
| Q2 2016 | $1,801,000 | +107.2% | 137,757 | +73.5% | 0.43% | +107.2% |
| Q1 2016 | $869,000 | -5.5% | 79,415 | 0.0% | 0.21% | -2.8% |
| Q4 2015 | $920,000 | +11.1% | 79,415 | 0.0% | 0.22% | +3.4% |
| Q3 2015 | $828,000 | -13.6% | 79,415 | 0.0% | 0.21% | -3.7% |
| Q2 2015 | $958,000 | -22.4% | 79,415 | +3.0% | 0.22% | -23.9% |
| Q1 2015 | $1,234,000 | -31.0% | 77,115 | -34.0% | 0.28% | -32.4% |
| Q4 2014 | $1,789,000 | +27.0% | 116,772 | +7.3% | 0.42% | +35.9% |
| Q3 2014 | $1,409,000 | -19.9% | 108,782 | -5.1% | 0.31% | -19.9% |
| Q2 2014 | $1,758,000 | +21.7% | 114,672 | -2.2% | 0.39% | +13.2% |
| Q1 2014 | $1,445,000 | – | 117,250 | – | 0.34% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $183,240,000 | 17.56% |
| HealthInvest Partners AB | 1,450,000 | $16,211,000 | 12.91% |
| Healthcare Value Capital, LLC | 200,000 | $2,236,000 | 4.98% |
| BRIDGER MANAGEMENT, LLC | 2,852,414 | $31,890,000 | 2.98% |
| Camber Capital Management LP | 7,500,000 | $83,850,000 | 2.88% |
| 13D Management LLC | 658,017 | $7,357,000 | 2.72% |
| Brown Capital Management | 20,170,126 | $225,502,000 | 1.68% |
| Healthcare Value Capital, LLC | 50,000 | $559,000 | 1.24% |
| Zebra Capital Management LLC | 59,122 | $661,000 | 0.73% |
| PRICE MICHAEL F | 520,000 | $5,814,000 | 0.70% |