IONIS PHARMACEUTICALS INC's ticker is IONS and the CUSIP is 462222100. A total of 316 filers reported holding IONIS PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.96 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $258,000 | -62.6% | 5,079 | -70.4% | 0.05% | -63.7% |
| Q1 2017 | $689,000 | -48.2% | 17,131 | -38.3% | 0.15% | -50.5% |
| Q4 2016 | $1,331,000 | +22.2% | 27,781 | -6.6% | 0.30% | +24.5% |
| Q3 2016 | $1,089,000 | +50.8% | 29,741 | -4.3% | 0.24% | +46.3% |
| Q2 2016 | $722,000 | -39.5% | 31,076 | +5.4% | 0.16% | -40.7% |
| Q1 2016 | $1,194,000 | -32.9% | 29,476 | +2.6% | 0.27% | -32.8% |
| Q4 2015 | $1,779,000 | – | 28,726 | – | 0.41% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bellevue Group AG | 9,347,926 | $313,529,000 | 3.18% |
| Sicart Associates LLC | 291,254 | $9,769,000 | 2.66% |
| Camber Capital Management LP | 2,500,000 | $83,850,000 | 2.58% |
| SECTOR GAMMA AS | 263,870 | $8,850,000 | 1.76% |
| Parkman Healthcare Partners LLC | 136,380 | $4,574,000 | 1.16% |
| Eversept Partners, LP | 450,501 | $15,109,804 | 1.05% |
| SPHERA FUNDS MANAGEMENT LTD. | 350,000 | $11,739,000 | 0.99% |
| TANAKA CAPITAL MANAGEMENT INC | 16,661 | $559,000 | 0.80% |
| Sonora Investment Management, LLC | 163,703 | $5,491,000 | 0.69% |
| ARK Investment Management | 8,511,384 | $285,472,000 | 0.69% |