IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 205 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $500,000 | -9.3% | 39,779 | -15.9% | 0.04% | -6.5% |
| Q4 2021 | $551,000 | +0.5% | 47,320 | +12.6% | 0.05% | +2.2% |
| Q3 2021 | $548,000 | +6.4% | 42,014 | +5.0% | 0.04% | -13.5% |
| Q2 2021 | $515,000 | +41.9% | 40,019 | +23.0% | 0.05% | +33.3% |
| Q1 2021 | $363,000 | -2.2% | 32,545 | -0.2% | 0.04% | -15.2% |
| Q4 2020 | $371,000 | +88.3% | 32,620 | +48.4% | 0.05% | +64.3% |
| Q3 2020 | $197,000 | -7.1% | 21,980 | +6.6% | 0.03% | -15.2% |
| Q2 2020 | $212,000 | +24.0% | 20,610 | +21.2% | 0.03% | -2.9% |
| Q1 2020 | $171,000 | – | 17,010 | – | 0.03% | – |
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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% |