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 | $1,529,880 | -43.4% | 158,866 | -37.4% | 0.01% | -38.9% |
| Q2 2023 | $2,700,700 | -58.9% | 253,825 | -59.4% | 0.02% | -55.0% |
| Q1 2023 | $6,578,924 | +73.8% | 625,373 | +104.7% | 0.04% | +81.8% |
| Q4 2022 | $3,785,157 | +11.9% | 305,501 | -6.4% | 0.02% | +15.8% |
| Q3 2022 | $3,383,000 | +10.2% | 326,500 | +22.6% | 0.02% | 0.0% |
| Q2 2022 | $3,070,000 | +1028.7% | 266,252 | +1132.0% | 0.02% | +850.0% |
| Q1 2022 | $272,000 | -88.0% | 21,611 | -88.9% | 0.00% | -90.9% |
| Q4 2021 | $2,273,000 | -35.8% | 194,937 | -28.1% | 0.02% | -51.1% |
| Q3 2021 | $3,540,000 | +249.8% | 271,061 | +244.7% | 0.04% | +309.1% |
| Q2 2021 | $1,012,000 | +16.9% | 78,634 | +1.6% | 0.01% | 0.0% |
| Q1 2021 | $866,000 | +7.7% | 77,429 | +9.6% | 0.01% | 0.0% |
| Q4 2020 | $804,000 | +52.6% | 70,615 | +20.6% | 0.01% | +37.5% |
| Q3 2020 | $527,000 | -31.2% | 58,563 | -21.1% | 0.01% | -38.5% |
| Q2 2020 | $766,000 | -41.5% | 74,250 | -42.8% | 0.01% | -62.9% |
| Q1 2020 | $1,309,000 | -50.5% | 129,738 | -34.7% | 0.04% | -27.1% |
| Q4 2019 | $2,646,000 | +1011.8% | 198,767 | +616.8% | 0.05% | +860.0% |
| Q3 2019 | $238,000 | -56.8% | 27,730 | -45.0% | 0.01% | -50.0% |
| Q2 2019 | $551,000 | -79.2% | 50,379 | -74.2% | 0.01% | -88.4% |
| Q1 2019 | $2,645,000 | +196.2% | 195,482 | +126.7% | 0.09% | +104.8% |
| Q4 2018 | $893,000 | +499.3% | 86,241 | +965.2% | 0.04% | +425.0% |
| Q3 2018 | $149,000 | -68.0% | 8,096 | -73.9% | 0.01% | -68.0% |
| Q4 2017 | $465,000 | +830.0% | 30,997 | +956.1% | 0.02% | +525.0% |
| Q1 2017 | $50,000 | -58.7% | 2,935 | -62.9% | 0.00% | -60.0% |
| Q4 2016 | $121,000 | +536.8% | 7,919 | +444.3% | 0.01% | +900.0% |
| Q2 2016 | $19,000 | -96.7% | 1,455 | -97.2% | 0.00% | -97.0% |
| Q1 2016 | $571,000 | +693.1% | 52,161 | +743.9% | 0.03% | +725.0% |
| Q4 2015 | $72,000 | -70.4% | 6,181 | -73.5% | 0.00% | -66.7% |
| Q3 2015 | $243,000 | +67.6% | 23,281 | +93.1% | 0.01% | +71.4% |
| Q2 2015 | $145,000 | -44.2% | 12,056 | -25.9% | 0.01% | -46.2% |
| Q1 2015 | $260,000 | +3614.3% | 16,276 | +3370.4% | 0.01% | – |
| Q4 2014 | $7,000 | -97.3% | 469 | -97.6% | 0.00% | -100.0% |
| Q3 2014 | $258,000 | +183.5% | 19,911 | +236.2% | 0.02% | +220.0% |
| Q2 2014 | $91,000 | – | 5,923 | – | 0.01% | – |
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% |