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 2023 | $1,422,785 | -73.6% | 147,745 | -64.7% | 0.00% | -87.5% |
| Q2 2021 | $5,391,000 | +3518.1% | 418,870 | +3037.6% | 0.02% | +2300.0% |
| Q1 2021 | $149,000 | -90.5% | 13,350 | -92.3% | 0.00% | -90.0% |
| Q3 2020 | $1,565,000 | +34.7% | 174,084 | +54.5% | 0.01% | +25.0% |
| Q2 2020 | $1,162,000 | -31.6% | 112,644 | -33.1% | 0.01% | -52.9% |
| Q1 2020 | $1,698,000 | -88.2% | 168,296 | -84.5% | 0.02% | -82.8% |
| Q4 2019 | $14,430,000 | +52.3% | 1,084,176 | -1.7% | 0.10% | +33.8% |
| Q3 2019 | $9,475,000 | +1006.9% | 1,103,031 | +1309.3% | 0.07% | +957.1% |
| Q2 2019 | $856,000 | -74.4% | 78,269 | -68.4% | 0.01% | -56.2% |
| Q1 2019 | $3,348,000 | -34.2% | 247,500 | -25.7% | 0.02% | -51.5% |
| Q4 2016 | $5,091,000 | +4178.2% | 332,957 | +3149.9% | 0.03% | +3200.0% |
| Q4 2015 | $119,000 | -82.8% | 10,245 | -76.2% | 0.00% | -88.9% |
| Q1 2015 | $690,000 | – | 43,101 | – | 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% |