IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 218 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2021. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,610,000 | -9.5% | 167,200 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $1,779,000 | +1.1% | 167,200 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $1,759,000 | -15.1% | 167,200 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $2,072,000 | +17.0% | 167,200 | -2.2% | 0.00% | 0.0% |
| Q3 2022 | $1,771,000 | -10.2% | 170,990 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $1,972,000 | -8.3% | 170,990 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $2,151,000 | +7.9% | 170,990 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $1,994,000 | -10.7% | 170,990 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $2,233,000 | +4457.1% | 170,990 | +4411.6% | 0.00% | – |
| Q2 2021 | $49,000 | +16.7% | 3,790 | 0.0% | 0.00% | – |
| Q1 2021 | $42,000 | -97.3% | 3,790 | -97.2% | 0.00% | -100.0% |
| Q4 2020 | $1,556,000 | +18.0% | 136,548 | -6.9% | 0.00% | 0.0% |
| Q3 2020 | $1,319,000 | -15.7% | 146,610 | -3.4% | 0.00% | -33.3% |
| Q2 2020 | $1,565,000 | +5.7% | 151,692 | +3.4% | 0.00% | 0.0% |
| Q1 2020 | $1,480,000 | -19.8% | 146,677 | +5.9% | 0.00% | 0.0% |
| Q4 2019 | $1,845,000 | +71.2% | 138,569 | +10.3% | 0.00% | +50.0% |
| Q3 2019 | $1,078,000 | -72.3% | 125,604 | -64.6% | 0.00% | 0.0% |
| Q2 2019 | $3,885,000 | +338.5% | 355,026 | +500.4% | 0.00% | 0.0% |
| Q4 2017 | $886,000 | -49.4% | 59,128 | -46.7% | 0.00% | -33.3% |
| Q3 2017 | $1,751,000 | -62.5% | 111,003 | -55.1% | 0.00% | -66.7% |
| Q2 2017 | $4,673,000 | +9.6% | 247,485 | -1.0% | 0.01% | +12.5% |
| Q1 2017 | $4,265,000 | -10.7% | 249,986 | -20.0% | 0.01% | -11.1% |
| Q4 2016 | $4,777,000 | -6.0% | 312,459 | -2.4% | 0.01% | -10.0% |
| Q3 2016 | $5,082,000 | +667.7% | 320,000 | +428.9% | 0.01% | +900.0% |
| Q1 2016 | $662,000 | -5.6% | 60,499 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $701,000 | +11.3% | 60,499 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $630,000 | -13.7% | 60,499 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $730,000 | -24.6% | 60,499 | 0.0% | 0.00% | -50.0% |
| Q1 2015 | $968,000 | +4.4% | 60,499 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $927,000 | +15.3% | 60,499 | -2.5% | 0.00% | 0.0% |
| Q3 2014 | $804,000 | -15.5% | 62,063 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $951,000 | +24.3% | 62,063 | 0.0% | 0.00% | +100.0% |
| Q1 2014 | $765,000 | +6.4% | 62,063 | +0.2% | 0.00% | 0.0% |
| Q4 2013 | $719,000 | 0.0% | 61,924 | +2.0% | 0.00% | 0.0% |
| Q3 2013 | $719,000 | +19.8% | 60,684 | +0.6% | 0.00% | 0.0% |
| Q2 2013 | $600,000 | – | 60,350 | – | 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% |