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 | $2,357 | +5.5% | 244,749 | +16.5% | 0.01% | 0.0% |
| Q2 2023 | $2,235 | +12.1% | 210,012 | +10.9% | 0.01% | 0.0% |
| Q1 2023 | $1,993 | -10.1% | 189,402 | +5.8% | 0.01% | -18.2% |
| Q4 2022 | $2,218 | -99.9% | 179,036 | +1.1% | 0.01% | 0.0% |
| Q3 2022 | $1,835,000 | -9.3% | 177,130 | +0.9% | 0.01% | -8.3% |
| Q2 2022 | $2,023,000 | +3.1% | 175,471 | +12.4% | 0.01% | 0.0% |
| Q1 2022 | $1,963,000 | +35.1% | 156,049 | +25.2% | 0.01% | +33.3% |
| Q4 2021 | $1,453,000 | +80.9% | 124,617 | +102.6% | 0.01% | +50.0% |
| Q3 2021 | $803,000 | +28.9% | 61,517 | +27.0% | 0.01% | +20.0% |
| Q2 2021 | $623,000 | +21.4% | 48,438 | +5.6% | 0.01% | 0.0% |
| Q1 2021 | $513,000 | -5.0% | 45,888 | -3.3% | 0.01% | -28.6% |
| Q4 2020 | $540,000 | +62.2% | 47,442 | +28.1% | 0.01% | +40.0% |
| Q3 2020 | $333,000 | -9.3% | 37,041 | +4.2% | 0.01% | -28.6% |
| Q2 2020 | $367,000 | – | 35,557 | – | 0.01% | – |
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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% |