IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 138 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is 0.71 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $2,252,000 | -73.6% | 119,300 | -76.1% | 0.14% | -74.2% |
| Q1 2017 | $8,516,000 | +11.6% | 499,200 | 0.0% | 0.54% | -14.3% |
| Q4 2016 | $7,632,000 | -15.4% | 499,200 | -12.1% | 0.63% | -14.1% |
| Q3 2016 | $9,021,000 | +99.4% | 568,100 | +64.1% | 0.73% | +72.8% |
| Q2 2016 | $4,525,000 | +109.2% | 346,100 | +75.0% | 0.42% | +93.2% |
| Q1 2016 | $2,163,000 | +68.6% | 197,800 | +78.7% | 0.22% | +34.4% |
| Q4 2015 | $1,283,000 | +154.1% | 110,700 | +127.8% | 0.16% | +147.0% |
| Q3 2015 | $505,000 | -79.9% | 48,600 | -76.7% | 0.07% | -81.2% |
| Q2 2015 | $2,511,000 | – | 208,400 | – | 0.35% | – |
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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% |