IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 213 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is 0.19 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $105,843 | -95.9% | 10,991 | -95.5% | 0.00% | -100.0% |
| Q2 2023 | $2,605,938 | +16.8% | 244,919 | -51.6% | 0.00% | 0.0% |
| Q1 2023 | $2,230,483 | -19.7% | 505,954 | +125.7% | 0.00% | 0.0% |
| Q4 2022 | $2,777,020 | +25.0% | 224,134 | +4.6% | 0.00% | 0.0% |
| Q3 2022 | $2,221,000 | -11.5% | 214,356 | -1.6% | 0.00% | 0.0% |
| Q2 2022 | $2,511,000 | +1.5% | 217,814 | +10.8% | 0.00% | 0.0% |
| Q1 2022 | $2,473,000 | +37.7% | 196,609 | +27.7% | 0.00% | 0.0% |
| Q4 2021 | $1,796,000 | +97.1% | 154,003 | +120.7% | 0.00% | 0.0% |
| Q3 2021 | $911,000 | +29.8% | 69,788 | +27.9% | 0.00% | – |
| Q2 2021 | $702,000 | +21.9% | 54,578 | +5.9% | 0.00% | – |
| Q1 2021 | $576,000 | -2.2% | 51,546 | -0.3% | 0.00% | – |
| Q4 2020 | $589,000 | +60.5% | 51,719 | +26.7% | 0.00% | – |
| Q3 2020 | $367,000 | -63.6% | 40,826 | -58.2% | 0.00% | -100.0% |
| Q2 2020 | $1,008,000 | +95.3% | 97,676 | +90.8% | 0.00% | 0.0% |
| Q1 2020 | $516,000 | -54.1% | 51,184 | -39.3% | 0.00% | 0.0% |
| Q4 2019 | $1,123,000 | +7921.4% | 84,388 | +9255.7% | 0.00% | – |
| Q4 2017 | $14,000 | 0.0% | 902 | 0.0% | 0.00% | – |
| Q3 2017 | $14,000 | +40.0% | 902 | +68.0% | 0.00% | – |
| Q2 2017 | $10,000 | +900.0% | 537 | +437.0% | 0.00% | – |
| Q3 2014 | $1,000 | – | 100 | – | 0.00% | – |
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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% |