Vertex Pharmaceuticals closed at $549.04 on Nov 4, up 3.44%, 1.8% below its 52-week closing high. Volume of 1.8M shares was 1.15× its 20-day average (close to normal).
Split-adjusted performance: +9.3% over one month, +28.4% over six months, +28.9% over one year.
In the quarter ended Sep 30, 2026, revenue was $3.44B, up 11.8% from a year earlier, with a net margin of 19.0%.
Short interest was 4.3M shares at the Oct 15 settlement, down 5.3% from the prior report (1.7% of float, 3.4 days to cover).