Ultragenyx Pharmaceutical closed at $14.90 on Oct 14, down 0.13%, 59.2% below its 52-week closing high. Volume of 3.0M shares was 0.54× its 20-day average (below normal).
Split-adjusted performance: +14.0% over one month, -40.8% over six months, -53.5% over one year.
In the quarter ended Jun 30, 2026, revenue was $214M, up 28.1% from a year earlier, with a net margin of -43.0%.
Short interest was 20.3M shares at the Sep 30 settlement, up 22.8% from the prior report (21.8% of float, 3.1 days to cover).