Ionis Pharmaceuticals Stock Plunges After Q3 Earnings

Ionis Pharmaceuticals stock drops 25% following Q3 earnings that missed Tryngolza sales targets.

Nov 9, 2026

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Ionis Pharmaceuticals Stock Plunges After Q3 Earnings

Ionis Pharmaceuticals stock drops 25% following Q3 earnings that missed Tryngolza sales targets.

In brief

Ionis Pharmaceuticals stock drops 25% following Q3 earnings that missed Tryngolza sales targets. Ionis Pharmaceuticals stock fell 25% after Q3 earnings showed slower-than-expected Tryngolza uptake and competitive pressures. Originally reported by Seekingalpha.

Q3 Earnings Impact

Q3 Earnings Impact

Ionis Pharmaceuticals stock plunged over 25% after Q3 earnings despite beating revenue and EPS expectations.

Sales Guidance Cut

Mature man in studio against brown background with high

IONS slashed 2026 Tryngolza sales guidance by more than half due to slower uptake and competitive pressures.

Confidence Erosion

Major clinical and commercial setbacks in 2026 have eroded confidence in IONS' transition to mainstream biopharma.

What it means

Ionis Pharmaceuticals stock fell 25% after Q3 earnings showed slower-than-expected Tryngolza uptake and competitive pressures.

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