IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 153 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 0.65 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $29,000 | -58.6% | 2,900 | -23.7% | 0.00% | – |
| Q3 2018 | $70,000 | -21.3% | 3,800 | -19.1% | 0.00% | – |
| Q2 2018 | $89,000 | +1171.4% | 4,700 | +840.0% | 0.00% | – |
| Q1 2018 | $7,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q4 2017 | $7,000 | -61.1% | 500 | -58.3% | 0.00% | – |
| Q3 2017 | $18,000 | -91.0% | 1,200 | -88.7% | 0.00% | -100.0% |
| Q2 2017 | $200,000 | +81.8% | 10,600 | +63.1% | 0.00% | – |
| Q1 2017 | $110,000 | +161.9% | 6,500 | +132.1% | 0.00% | – |
| Q4 2016 | $42,000 | -60.7% | 2,800 | -58.8% | 0.00% | – |
| Q3 2016 | $107,000 | +296.3% | 6,800 | +300.0% | 0.00% | – |
| Q1 2015 | $27,000 | – | 1,700 | – | 0.00% | – |
| Q3 2014 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q2 2014 | $17,000 | – | 1,100 | – | 0.00% | – |
| Q1 2014 | $0 | – | 0 | – | 0.00% | – |
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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% |