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 | $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% |