IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 214 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.89 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $148 | +111.4% | 15,391 | +132.8% | 0.00% | – |
| Q2 2023 | $70 | +6900.0% | 6,612 | +5966.1% | 0.00% | – |
| Q1 2023 | $1 | -99.3% | 109 | -99.0% | 0.00% | – |
| Q4 2022 | $134 | -99.9% | 10,888 | -0.1% | 0.00% | – |
| Q2 2022 | $125,000 | +60.3% | 10,900 | +73.8% | 0.00% | – |
| Q1 2022 | $78,000 | +52.9% | 6,270 | +59.9% | 0.00% | – |
| Q3 2021 | $51,000 | -94.2% | 3,921 | -94.9% | 0.00% | -100.0% |
| Q4 2020 | $878,000 | +136.0% | 77,200 | +86.6% | 0.00% | 0.0% |
| Q3 2020 | $372,000 | +332.6% | 41,379 | +384.8% | 0.00% | – |
| Q1 2020 | $86,000 | +83.0% | 8,536 | +138.8% | 0.00% | – |
| Q4 2019 | $47,000 | +291.7% | 3,574 | +142.6% | 0.00% | – |
| Q3 2019 | $12,000 | – | 1,473 | – | 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% |