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 | $2,600 | -9.5% | 270 | 0.0% | 0.00% | – |
| Q2 2023 | $2,873 | -96.2% | 270 | -96.3% | 0.00% | – |
| Q1 2023 | $76,480 | +2186.4% | 7,270 | +2592.6% | 0.00% | – |
| Q4 2022 | $3,345 | +11.5% | 270 | 0.0% | 0.00% | – |
| Q3 2022 | $3,000 | 0.0% | 270 | 0.0% | 0.00% | – |
| Q2 2022 | $3,000 | -81.2% | 270 | -78.7% | 0.00% | – |
| Q1 2022 | $16,000 | +6.7% | 1,270 | 0.0% | 0.00% | – |
| Q4 2021 | $15,000 | -11.8% | 1,270 | 0.0% | 0.00% | – |
| Q3 2021 | $17,000 | +6.2% | 1,270 | 0.0% | 0.00% | – |
| Q2 2021 | $16,000 | +14.3% | 1,270 | 0.0% | 0.00% | – |
| Q1 2021 | $14,000 | 0.0% | 1,270 | 0.0% | 0.00% | – |
| Q4 2020 | $14,000 | +27.3% | 1,270 | 0.0% | 0.00% | – |
| Q3 2020 | $11,000 | -15.4% | 1,270 | 0.0% | 0.00% | – |
| Q2 2020 | $13,000 | -7.1% | 1,270 | -7.0% | 0.00% | – |
| Q1 2020 | $14,000 | -22.2% | 1,365 | 0.0% | 0.00% | – |
| Q4 2019 | $18,000 | +63.6% | 1,365 | +7.5% | 0.00% | – |
| Q3 2019 | $11,000 | -21.4% | 1,270 | 0.0% | 0.00% | – |
| Q2 2019 | $14,000 | -22.2% | 1,270 | -3.2% | 0.00% | – |
| Q1 2019 | $18,000 | +500.0% | 1,312 | +320.5% | 0.00% | – |
| Q4 2018 | $3,000 | -40.0% | 312 | +15.6% | 0.00% | – |
| Q3 2018 | $5,000 | 0.0% | 270 | 0.0% | 0.00% | – |
| Q2 2018 | $5,000 | +25.0% | 270 | 0.0% | 0.00% | – |
| Q1 2018 | $4,000 | 0.0% | 270 | 0.0% | 0.00% | – |
| Q4 2017 | $4,000 | 0.0% | 270 | 0.0% | 0.00% | – |
| Q3 2017 | $4,000 | +33.3% | 270 | +59.8% | 0.00% | – |
| Q4 2016 | $3,000 | +50.0% | 169 | +14.2% | 0.00% | – |
| Q2 2016 | $2,000 | 0.0% | 148 | 0.0% | 0.00% | – |
| Q1 2016 | $2,000 | – | 148 | – | 0.00% | – |
Download | ||||||
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% |