IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 154 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 1.04 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $688,290 | -72.2% | 105,566 | -62.9% | 0.00% | -75.0% |
| Q1 2024 | $2,480,260 | +148.1% | 284,760 | +225.9% | 0.00% | +100.0% |
| Q4 2023 | $999,547 | -79.7% | 87,373 | -82.9% | 0.00% | -83.3% |
| Q3 2023 | $4,913,293 | +252.7% | 510,207 | +289.7% | 0.01% | +200.0% |
| Q2 2023 | $1,393,021 | -13.4% | 130,923 | -14.4% | 0.00% | -42.9% |
| Q1 2023 | $1,608,077 | +16.3% | 152,859 | +14.5% | 0.01% | 0.0% |
| Q3 2022 | $1,383,000 | +28.3% | 133,494 | +55.8% | 0.01% | +40.0% |
| Q1 2022 | $1,078,000 | -46.4% | 85,687 | -50.3% | 0.01% | 0.0% |
| Q4 2021 | $2,010,000 | -63.8% | 172,387 | -59.5% | 0.01% | -68.8% |
| Q3 2021 | $5,557,000 | +227.7% | 425,530 | +222.9% | 0.02% | +166.7% |
| Q2 2021 | $1,696,000 | -21.2% | 131,768 | -31.6% | 0.01% | -53.8% |
| Q1 2021 | $2,153,000 | +731.3% | 192,592 | +569.8% | 0.01% | +333.3% |
| Q3 2020 | $259,000 | -80.5% | 28,753 | -77.6% | 0.00% | -85.7% |
| Q2 2020 | $1,326,000 | -24.4% | 128,447 | -26.2% | 0.02% | -53.3% |
| Q1 2020 | $1,755,000 | +708.8% | 173,983 | +967.8% | 0.04% | +4400.0% |
| Q4 2019 | $217,000 | -93.6% | 16,294 | -95.9% | 0.00% | -96.7% |
| Q3 2019 | $3,406,000 | +33.4% | 396,739 | +110.2% | 0.03% | +11.1% |
| Q1 2019 | $2,553,000 | +211.3% | 188,713 | +138.5% | 0.03% | +170.0% |
| Q4 2018 | $820,000 | +34.2% | 79,123 | +139.0% | 0.01% | +42.9% |
| Q3 2018 | $611,000 | +127.1% | 33,100 | +84.2% | 0.01% | +40.0% |
| Q4 2017 | $269,000 | +21.7% | 17,966 | +38.8% | 0.01% | -16.7% |
| Q1 2017 | $221,000 | -81.6% | 12,947 | -83.5% | 0.01% | -87.8% |
| Q4 2016 | $1,199,000 | +544.6% | 78,428 | +570.3% | 0.05% | +308.3% |
| Q3 2016 | $186,000 | -19.1% | 11,700 | -44.3% | 0.01% | -33.3% |
| Q1 2016 | $230,000 | -59.9% | 21,000 | -57.5% | 0.02% | -71.4% |
| Q4 2015 | $573,000 | – | 49,400 | – | 0.06% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $183,240,000 | 17.56% |
| HealthInvest Partners AB | 1,450,000 | $16,211,000 | 12.91% |
| Healthcare Value Capital, LLC | 200,000 | $2,236,000 | 4.98% |
| BRIDGER MANAGEMENT, LLC | 2,852,414 | $31,890,000 | 2.98% |
| Camber Capital Management LP | 7,500,000 | $83,850,000 | 2.88% |
| 13D Management LLC | 658,017 | $7,357,000 | 2.72% |
| Brown Capital Management | 20,170,126 | $225,502,000 | 1.68% |
| Healthcare Value Capital, LLC | 50,000 | $559,000 | 1.24% |
| Zebra Capital Management LLC | 59,122 | $661,000 | 0.73% |
| PRICE MICHAEL F | 520,000 | $5,814,000 | 0.70% |