IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 231 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2021. The put-call ratio across all filers is 0.20 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,330 | +9.6% | 242,037 | +21.2% | 0.02% | +15.0% |
| Q2 2023 | $2,125 | +46.2% | 199,745 | +44.6% | 0.02% | +11.1% |
| Q1 2023 | $1,453 | -63.6% | 138,167 | -57.1% | 0.02% | -67.9% |
| Q4 2022 | $3,987 | -99.9% | 321,829 | -52.5% | 0.06% | -26.3% |
| Q3 2022 | $7,016,000 | +912.4% | 677,233 | +1175.9% | 0.08% | +1800.0% |
| Q3 2021 | $693,000 | -32.0% | 53,077 | -33.0% | 0.00% | -55.6% |
| Q2 2021 | $1,019,000 | +495.9% | 79,184 | +424.9% | 0.01% | +200.0% |
| Q4 2020 | $171,000 | +58.3% | 15,086 | +19.2% | 0.00% | -40.0% |
| Q3 2019 | $108,000 | – | 12,651 | – | 0.01% | – |
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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% |