IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 132 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2015. The put-call ratio across all filers is 1.51 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $503,000 | +53.4% | 38,500 | +28.3% | 0.17% | +88.9% |
| Q1 2016 | $328,000 | -41.1% | 30,000 | -37.6% | 0.09% | -27.4% |
| Q4 2015 | $557,000 | -24.8% | 48,100 | -32.3% | 0.12% | -17.3% |
| Q3 2015 | $741,000 | -8.2% | 71,100 | +6.3% | 0.15% | -27.2% |
| Q2 2015 | $807,000 | -20.7% | 66,900 | +5.2% | 0.21% | -24.5% |
| Q1 2015 | $1,018,000 | +36.6% | 63,600 | +30.9% | 0.27% | +115.0% |
| Q4 2014 | $745,000 | -7.6% | 48,600 | -21.9% | 0.13% | -24.0% |
| Q3 2014 | $806,000 | -15.5% | 62,200 | 0.0% | 0.17% | -9.2% |
| Q2 2014 | $954,000 | +248.2% | 62,200 | +180.2% | 0.18% | +206.7% |
| Q1 2014 | $274,000 | – | 22,200 | – | 0.06% | – |
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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% |