IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 142 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2015. The put-call ratio across all filers is 0.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $158,000 | -79.1% | 10,000 | -75.0% | 0.03% | -79.7% |
| Q2 2017 | $755,000 | +10.7% | 40,000 | 0.0% | 0.14% | +10.0% |
| Q1 2017 | $682,000 | +11.4% | 40,000 | 0.0% | 0.13% | +6.6% |
| Q4 2016 | $612,000 | -3.6% | 40,000 | 0.0% | 0.12% | -6.9% |
| Q3 2016 | $635,000 | +21.4% | 40,000 | 0.0% | 0.13% | +18.0% |
| Q2 2016 | $523,000 | +11.3% | 40,000 | 0.0% | 0.11% | +11.0% |
| Q1 2016 | $470,000 | +1.3% | 40,000 | 0.0% | 0.10% | +5.3% |
| Q4 2015 | $464,000 | +11.3% | 40,000 | 0.0% | 0.10% | +5.6% |
| Q3 2015 | $417,000 | -13.5% | 40,000 | 0.0% | 0.09% | -4.3% |
| Q2 2015 | $482,000 | -24.7% | 40,000 | 0.0% | 0.09% | -24.2% |
| Q1 2015 | $640,000 | +4.4% | 40,000 | 0.0% | 0.12% | +3.3% |
| Q4 2014 | $613,000 | +18.3% | 40,000 | 0.0% | 0.12% | +14.3% |
| Q3 2014 | $518,000 | -15.5% | 40,000 | 0.0% | 0.10% | -13.2% |
| Q2 2014 | $613,000 | +24.3% | 40,000 | 0.0% | 0.12% | +19.8% |
| Q1 2014 | $493,000 | – | 40,000 | – | 0.10% | – |
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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% |