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 | $263,891 | -10.8% | 27,403 | -1.5% | 0.00% | 0.0% |
| Q2 2023 | $295,952 | -0.2% | 27,815 | -1.3% | 0.00% | 0.0% |
| Q1 2023 | $296,569 | +30.3% | 28,191 | +53.5% | 0.00% | 0.0% |
| Q4 2022 | $227,542 | +13.2% | 18,365 | -5.4% | 0.00% | 0.0% |
| Q3 2022 | $201,000 | -10.3% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $224,000 | -8.2% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $244,000 | +8.0% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $226,000 | -11.0% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $254,000 | +1.6% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $250,000 | +15.2% | 19,421 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $217,000 | -16.9% | 19,421 | -15.1% | 0.00% | -50.0% |
| Q4 2020 | $261,000 | +50.9% | 22,888 | +18.7% | 0.00% | +100.0% |
| Q3 2020 | $173,000 | -13.1% | 19,285 | 0.0% | 0.00% | -50.0% |
| Q2 2020 | $199,000 | +24.4% | 19,285 | +21.7% | 0.00% | +100.0% |
| Q1 2020 | $160,000 | +16.8% | 15,844 | +53.5% | 0.00% | 0.0% |
| Q4 2019 | $137,000 | +87.7% | 10,320 | +22.1% | 0.00% | 0.0% |
| Q3 2019 | $73,000 | -20.7% | 8,452 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $92,000 | -19.3% | 8,452 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $114,000 | +9.6% | 8,452 | -15.9% | 0.00% | 0.0% |
| Q4 2018 | $104,000 | -44.1% | 10,052 | 0.0% | 0.00% | -50.0% |
| Q3 2018 | $186,000 | +8.1% | 10,052 | +11.6% | 0.00% | 0.0% |
| Q2 2018 | $172,000 | +23.7% | 9,010 | 0.0% | 0.00% | +100.0% |
| Q1 2018 | $139,000 | +3.0% | 9,010 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $135,000 | +117.7% | 9,010 | +128.6% | 0.00% | 0.0% |
| Q3 2017 | $62,000 | -16.2% | 3,941 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $74,000 | +29.8% | 3,941 | +18.1% | 0.00% | 0.0% |
| Q1 2017 | $57,000 | +11.8% | 3,337 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $51,000 | -3.8% | 3,337 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $53,000 | +43.2% | 3,337 | +17.5% | 0.00% | – |
| Q2 2016 | $37,000 | +19.4% | 2,839 | 0.0% | 0.00% | – |
| Q1 2016 | $31,000 | -6.1% | 2,839 | 0.0% | 0.00% | – |
| Q4 2015 | $33,000 | +120.0% | 2,839 | +98.0% | 0.00% | – |
| Q3 2015 | $15,000 | +66.7% | 1,434 | +93.5% | 0.00% | – |
| Q2 2015 | $9,000 | -25.0% | 741 | 0.0% | 0.00% | – |
| Q1 2015 | $12,000 | – | 741 | – | 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% |