IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 214 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2021. The put-call ratio across all filers is 0.89 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 ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $172,422,800 | 22.05% |
| 13D Management LLC | 533,562 | $5,613,073 | 2.85% |
| Quantedge Capital Pte Ltd | 541,200 | $5,693,424 | 2.22% |
| Price Jennifer C. | 520,000 | $5,470,400 | 1.74% |
| Tamarack Advisers, LP | 210,000 | $2,209,200 | 0.81% |
| Intrinsic Value Partners, LLC | 51,605 | $542,885 | 0.73% |
| Brown Capital Management | 3,933,933 | $41,384,975 | 0.62% |
| Old West Investment Management, LLC | 75,219 | $791,303 | 0.43% |
| EMC Capital Management | 43,315 | $456 | 0.38% |
| Hillsdale Investment Management Inc. | 420,617 | $4,424,891 | 0.38% |