IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 201 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2019. 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 | $134,820 | -29.6% | 14,000 | -23.1% | 0.00% | -50.0% |
| Q1 2023 | $191,464 | -8.6% | 18,200 | +7.7% | 0.00% | 0.0% |
| Q4 2022 | $209,391 | -84.2% | 16,900 | -84.0% | 0.00% | -83.3% |
| Q1 2022 | $1,326,000 | -23.8% | 105,400 | -29.4% | 0.01% | 0.0% |
| Q4 2021 | $1,740,000 | -35.7% | 149,200 | -28.0% | 0.01% | -57.1% |
| Q3 2021 | $2,707,000 | -7.3% | 207,300 | -8.6% | 0.03% | -3.4% |
| Q2 2021 | $2,920,000 | +17.3% | 226,900 | +1.9% | 0.03% | +20.8% |
| Q1 2021 | $2,490,000 | +66.3% | 222,700 | +69.5% | 0.02% | +50.0% |
| Q4 2020 | $1,497,000 | +61.0% | 131,400 | +27.1% | 0.02% | +45.5% |
| Q3 2020 | $930,000 | +161.2% | 103,400 | +199.7% | 0.01% | +175.0% |
| Q2 2020 | $356,000 | 0.0% | 34,500 | -2.3% | 0.00% | -20.0% |
| Q1 2020 | $356,000 | +38.5% | 35,300 | +82.9% | 0.01% | +66.7% |
| Q4 2019 | $257,000 | -51.6% | 19,300 | -45.5% | 0.00% | -50.0% |
| Q4 2017 | $531,000 | -38.5% | 35,400 | -22.5% | 0.01% | -45.5% |
| Q2 2017 | $863,000 | – | 45,700 | – | 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% |