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 | $902,295 | +435.1% | 93,697 | +490.4% | 0.00% | – |
| Q2 2023 | $168,617 | +58.8% | 15,871 | +57.3% | 0.00% | – |
| Q1 2023 | $106,160 | -34.1% | 10,091 | -22.0% | 0.00% | – |
| Q4 2022 | $161,000 | +3.9% | 12,942 | -14.3% | 0.00% | – |
| Q3 2022 | $155,000 | -9.9% | 15,103 | +0.7% | 0.00% | – |
| Q2 2022 | $172,000 | -9.0% | 14,998 | +0.1% | 0.00% | – |
| Q1 2022 | $189,000 | +11.8% | 14,985 | +3.8% | 0.00% | – |
| Q4 2021 | $169,000 | +59.4% | 14,432 | +77.2% | 0.00% | – |
| Q3 2021 | $106,000 | +278.6% | 8,143 | +267.6% | 0.00% | – |
| Q2 2021 | $28,000 | +55.6% | 2,215 | +34.7% | 0.00% | – |
| Q1 2021 | $18,000 | -35.7% | 1,645 | -30.2% | 0.00% | – |
| Q4 2020 | $28,000 | +86.7% | 2,356 | +39.4% | 0.00% | – |
| Q3 2020 | $15,000 | -44.4% | 1,690 | -34.5% | 0.00% | – |
| Q2 2020 | $27,000 | +1250.0% | 2,580 | +1729.8% | 0.00% | – |
| Q1 2020 | $2,000 | – | 141 | – | 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% |