Portillo's closed at $5.40 on Nov 4, up 3.65%, 16.9% below its 52-week closing high. Volume of 1.3M shares was 0.62× its 20-day average (below normal).
Split-adjusted performance: +42.9% over one month, +20.3% over six months, +3.1% over one year.
In the quarter ended Jun 28, 2026, revenue was $198.95M, up 5.6% from a year earlier, with a net margin of 3.5%.
Short interest was 9.6M shares at the Oct 15 settlement, down 8.3% from the prior report (15.5% of float, 4.4 days to cover).