Adaptive Biotechnologies is trading 4.19% down at $23.57, with no clear company-specific catalyst identified on August 6, 2026.

  • Its latest major event was the July 29 second-quarter report, which showed an adjusted loss wider than expected despite higher revenue and raised MRD guidance.
  • The broader biotech sector is rising on the Argenx–Forte Biosciences acquisition news, so the decline is not sector-driven.
  • Trading reflects an unexplained, company-specific or flow-driven move rather than a confirmed news catalyst.