IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 157 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 0.79 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $23,122,000 | +26.6% | 2,030,000 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $18,260,000 | -12.8% | 2,030,000 | 0.0% | 0.00% | -20.0% |
| Q2 2020 | $20,950,000 | +2.3% | 2,030,000 | 0.0% | 0.01% | -16.7% |
| Q1 2020 | $20,483,000 | -24.2% | 2,030,000 | 0.0% | 0.01% | 0.0% |
| Q4 2019 | $27,019,000 | +55.0% | 2,030,000 | 0.0% | 0.01% | +50.0% |
| Q3 2019 | $17,428,000 | -21.5% | 2,030,000 | 0.0% | 0.00% | -20.0% |
| Q2 2019 | $22,208,000 | -19.1% | 2,030,000 | 0.0% | 0.01% | -28.6% |
| Q1 2019 | $27,466,000 | +30.6% | 2,030,000 | 0.0% | 0.01% | +16.7% |
| Q4 2018 | $21,031,000 | -43.9% | 2,030,000 | 0.0% | 0.01% | -33.3% |
| Q3 2018 | $37,474,000 | -3.5% | 2,030,000 | 0.0% | 0.01% | +12.5% |
| Q2 2018 | $38,814,000 | +23.9% | 2,030,000 | 0.0% | 0.01% | +14.3% |
| Q1 2018 | $31,323,000 | +57.1% | 2,030,000 | +52.6% | 0.01% | +75.0% |
| Q4 2017 | $19,937,000 | -4.9% | 1,330,000 | 0.0% | 0.00% | -20.0% |
| Q3 2017 | $20,974,000 | -16.5% | 1,330,000 | 0.0% | 0.01% | -16.7% |
| Q2 2017 | $25,110,000 | +10.7% | 1,330,000 | 0.0% | 0.01% | +20.0% |
| Q1 2017 | $22,690,000 | +47.6% | 1,330,000 | -9.8% | 0.01% | 0.0% |
| Q3 2015 | $15,370,000 | -13.6% | 1,475,000 | 0.0% | 0.01% | 0.0% |
| Q2 2015 | $17,789,000 | -24.6% | 1,475,000 | 0.0% | 0.01% | -16.7% |
| Q1 2015 | $23,600,000 | -4.0% | 1,475,000 | -8.1% | 0.01% | -14.3% |
| Q4 2014 | $24,589,000 | +18.3% | 1,605,000 | 0.0% | 0.01% | +16.7% |
| Q3 2014 | $20,793,000 | -15.5% | 1,605,000 | 0.0% | 0.01% | -14.3% |
| Q2 2014 | $24,605,000 | +21.0% | 1,605,000 | -2.7% | 0.01% | +16.7% |
| Q1 2014 | $20,328,000 | -12.2% | 1,650,000 | -17.3% | 0.01% | -14.3% |
| Q4 2013 | $23,162,000 | -2.0% | 1,995,000 | 0.0% | 0.01% | 0.0% |
| Q3 2013 | $23,641,000 | -18.8% | 1,995,000 | -31.8% | 0.01% | -22.2% |
| Q2 2013 | $29,104,000 | – | 2,925,000 | – | 0.01% | – |
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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% |