IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 218 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $320 | +47.5% | 33,225 | +62.5% | 0.02% | +50.0% |
| Q2 2023 | $217 | +55.0% | 20,440 | +53.7% | 0.01% | +27.3% |
| Q1 2023 | $140 | -15.2% | 13,300 | 0.0% | 0.01% | -21.4% |
| Q4 2022 | $165 | -99.9% | 13,300 | +2.3% | 0.01% | +16.7% |
| Q3 2022 | $135,000 | -72.3% | 13,000 | -68.9% | 0.01% | -61.3% |
| Q4 2021 | $487,000 | -51.9% | 41,742 | -46.2% | 0.03% | -59.2% |
| Q3 2021 | $1,013,000 | +16.2% | 77,542 | +14.5% | 0.08% | +46.2% |
| Q2 2021 | $872,000 | +9.8% | 67,742 | -4.6% | 0.05% | +2.0% |
| Q1 2021 | $794,000 | – | 71,042 | – | 0.05% | – |
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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% |