IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 129 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2014. The put-call ratio across all filers is 0.36 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $190,000 | -29.1% | 15,720 | -6.0% | 0.01% | -37.5% |
| Q1 2015 | $268,000 | +1.1% | 16,720 | -3.5% | 0.01% | 0.0% |
| Q4 2014 | $265,000 | +18.3% | 17,329 | 0.0% | 0.01% | +14.3% |
| Q3 2014 | $224,000 | -28.2% | 17,329 | -14.8% | 0.01% | -30.0% |
| Q2 2014 | $312,000 | +24.8% | 20,329 | 0.0% | 0.01% | +25.0% |
| Q1 2014 | $250,000 | – | 20,329 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $172,422,800 | 22.05% |
| 13D Management LLC | 533,562 | $5,613,073 | 2.85% |
| Quantedge Capital Pte Ltd | 541,200 | $5,693,424 | 2.22% |
| Price Jennifer C. | 520,000 | $5,470,400 | 1.74% |
| Tamarack Advisers, LP | 210,000 | $2,209,200 | 0.81% |
| Intrinsic Value Partners, LLC | 51,605 | $542,885 | 0.73% |
| Brown Capital Management | 3,933,933 | $41,384,975 | 0.62% |
| Old West Investment Management, LLC | 75,219 | $791,303 | 0.43% |
| EMC Capital Management | 43,315 | $456 | 0.38% |
| Hillsdale Investment Management Inc. | 420,617 | $4,424,891 | 0.38% |