IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 195 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q1 2020. The put-call ratio across all filers is 0.11 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $273,000 | -24.2% | 27,055 | 0.0% | 0.01% | 0.0% |
| Q4 2019 | $360,000 | +55.2% | 27,055 | 0.0% | 0.01% | +50.0% |
| Q3 2019 | $232,000 | -21.6% | 27,055 | 0.0% | 0.00% | -33.3% |
| Q2 2019 | $296,000 | -19.1% | 27,055 | 0.0% | 0.01% | -25.0% |
| Q1 2019 | $366,000 | +30.7% | 27,055 | 0.0% | 0.01% | +14.3% |
| Q4 2018 | $280,000 | -69.0% | 27,055 | -44.7% | 0.01% | -46.2% |
| Q3 2018 | $902,000 | +112.7% | 48,910 | +120.8% | 0.01% | +44.4% |
| Q2 2018 | $424,000 | +21.1% | 22,155 | -2.2% | 0.01% | +12.5% |
| Q1 2018 | $350,000 | +59.1% | 22,655 | +54.6% | 0.01% | +166.7% |
| Q4 2017 | $220,000 | – | 14,655 | – | 0.00% | – |
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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% |