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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $334,450 | -9.5% | 34,730 | 0.0% | 0.01% | -8.3% |
| Q2 2023 | $369,527 | +1.1% | 34,730 | 0.0% | 0.01% | 0.0% |
| Q1 2023 | $365,360 | +84867.4% | 34,730 | 0.0% | 0.01% | -20.0% |
| Q4 2022 | $430 | -99.9% | 34,730 | 0.0% | 0.02% | +7.1% |
| Q3 2022 | $360,000 | -10.0% | 34,730 | 0.0% | 0.01% | -6.7% |
| Q2 2022 | $400,000 | -8.5% | 34,730 | 0.0% | 0.02% | +7.1% |
| Q1 2022 | $437,000 | +7.9% | 34,730 | 0.0% | 0.01% | +16.7% |
| Q4 2021 | $405,000 | -12.0% | 34,730 | -1.4% | 0.01% | -36.8% |
| Q3 2021 | $460,000 | +2.9% | 35,235 | +1.5% | 0.02% | 0.0% |
| Q2 2021 | $447,000 | +15.2% | 34,730 | 0.0% | 0.02% | +11.8% |
| Q1 2021 | $388,000 | -2.0% | 34,730 | 0.0% | 0.02% | -5.6% |
| Q4 2020 | $396,000 | – | 34,730 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |