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 | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $6,723,000 | +5.8% | 534,384 | -1.9% | 0.00% | +33.3% |
| Q4 2021 | $6,352,000 | +5.0% | 544,769 | +17.6% | 0.00% | 0.0% |
| Q3 2021 | $6,049,000 | +25.8% | 463,155 | +24.0% | 0.00% | 0.0% |
| Q2 2021 | $4,807,000 | +135.6% | 373,486 | +104.7% | 0.00% | +200.0% |
| Q1 2021 | $2,040,000 | -22.0% | 182,431 | -20.5% | 0.00% | -50.0% |
| Q4 2020 | $2,614,000 | +47.1% | 229,466 | +16.1% | 0.00% | +100.0% |
| Q3 2020 | $1,777,000 | +11.8% | 197,588 | +28.3% | 0.00% | 0.0% |
| Q2 2020 | $1,589,000 | +24.5% | 154,009 | +21.8% | 0.00% | 0.0% |
| Q1 2020 | $1,276,000 | -51.4% | 126,425 | -35.9% | 0.00% | -50.0% |
| Q4 2019 | $2,625,000 | +277.2% | 197,198 | +143.2% | 0.00% | +100.0% |
| Q3 2019 | $696,000 | +1.6% | 81,086 | +29.5% | 0.00% | 0.0% |
| Q2 2019 | $685,000 | -3.1% | 62,608 | +19.8% | 0.00% | 0.0% |
| Q1 2019 | $707,000 | +39.7% | 52,255 | +6.9% | 0.00% | 0.0% |
| Q4 2018 | $506,000 | -63.8% | 48,886 | -35.5% | 0.00% | 0.0% |
| Q3 2018 | $1,399,000 | -11.2% | 75,787 | -8.1% | 0.00% | 0.0% |
| Q2 2018 | $1,576,000 | +45.0% | 82,448 | +17.1% | 0.00% | 0.0% |
| Q1 2018 | $1,087,000 | -5.7% | 70,417 | -8.5% | 0.00% | 0.0% |
| Q4 2017 | $1,153,000 | +12.6% | 76,937 | +18.5% | 0.00% | 0.0% |
| Q3 2017 | $1,024,000 | -15.4% | 64,930 | +1.3% | 0.00% | 0.0% |
| Q2 2017 | $1,211,000 | -12.1% | 64,121 | -20.5% | 0.00% | -50.0% |
| Q1 2017 | $1,377,000 | +15.8% | 80,693 | +3.7% | 0.00% | 0.0% |
| Q4 2016 | $1,189,000 | +24.0% | 77,780 | +28.8% | 0.00% | +100.0% |
| Q3 2016 | $959,000 | +21.4% | 60,386 | -0.0% | 0.00% | 0.0% |
| Q2 2016 | $790,000 | +33.0% | 60,395 | +11.3% | 0.00% | 0.0% |
| Q1 2016 | $594,000 | +18.6% | 54,255 | +25.5% | 0.00% | 0.0% |
| Q4 2015 | $501,000 | -11.8% | 43,237 | -20.6% | 0.00% | 0.0% |
| Q3 2015 | $568,000 | -25.9% | 54,487 | -14.4% | 0.00% | 0.0% |
| Q2 2015 | $767,000 | -39.5% | 63,631 | -19.7% | 0.00% | -66.7% |
| Q1 2015 | $1,268,000 | +16.7% | 79,222 | +11.6% | 0.00% | +50.0% |
| Q4 2014 | $1,087,000 | +69.8% | 70,977 | +43.7% | 0.00% | +100.0% |
| Q3 2014 | $640,000 | -19.2% | 49,405 | -4.4% | 0.00% | -50.0% |
| Q2 2014 | $792,000 | +160.5% | 51,679 | +109.2% | 0.00% | +100.0% |
| Q1 2014 | $304,000 | +49.8% | 24,698 | +41.1% | 0.00% | – |
| Q4 2013 | $203,000 | +33.6% | 17,507 | +36.2% | 0.00% | – |
| Q3 2013 | $152,000 | +47.6% | 12,854 | +23.8% | 0.00% | – |
| Q2 2013 | $103,000 | – | 10,384 | – | 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% |