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 | $1,422,785 | -73.6% | 147,745 | -64.7% | 0.00% | -87.5% |
| Q2 2021 | $5,391,000 | +3518.1% | 418,870 | +3037.6% | 0.02% | +2300.0% |
| Q1 2021 | $149,000 | -90.5% | 13,350 | -92.3% | 0.00% | -90.0% |
| Q3 2020 | $1,565,000 | +34.7% | 174,084 | +54.5% | 0.01% | +25.0% |
| Q2 2020 | $1,162,000 | -31.6% | 112,644 | -33.1% | 0.01% | -52.9% |
| Q1 2020 | $1,698,000 | -88.2% | 168,296 | -84.5% | 0.02% | -82.8% |
| Q4 2019 | $14,430,000 | +52.3% | 1,084,176 | -1.7% | 0.10% | +33.8% |
| Q3 2019 | $9,475,000 | +1006.9% | 1,103,031 | +1309.3% | 0.07% | +957.1% |
| Q2 2019 | $856,000 | -74.4% | 78,269 | -68.4% | 0.01% | -56.2% |
| Q1 2019 | $3,348,000 | -34.2% | 247,500 | -25.7% | 0.02% | -51.5% |
| Q4 2016 | $5,091,000 | +4178.2% | 332,957 | +3149.9% | 0.03% | +3200.0% |
| Q4 2015 | $119,000 | -82.8% | 10,245 | -76.2% | 0.00% | -88.9% |
| Q1 2015 | $690,000 | – | 43,101 | – | 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% |