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 | $188,977,000 | 19.02% |
| 13D Management LLC | 600,431 | $6,923,000 | 3.06% |
| BRIDGER MANAGEMENT, LLC | 956,014 | $11,023,000 | 2.48% |
| Brown Capital Management | 11,641,935 | $134,232,000 | 1.80% |
| Price Jennifer C. | 520,000 | $5,996,000 | 1.02% |
| Monarch Partners Asset Management LLC | 272,425 | $3,141,000 | 0.88% |
| ALPHASIMPLEX GROUP, LLC | 10,510 | $121,000 | 0.86% |
| Intrinsic Value Partners, LLC | 54,105 | $624,000 | 0.80% |
| CLARK ESTATES INC/NY | 355,000 | $4,093,000 | 0.71% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 692 | $60,000,000 | 0.63% |