Growth Metrics

Carmax (KMX) Shares Outstanding (Diluted Average) (2016 - 2025)

Carmax (KMX) has 17 years of Shares Outstanding (Diluted Average) data on record, last reported at $145.9 million in Q4 2025.

  • For Q4 2025, Shares Outstanding (Diluted Average) fell 6.8% year-over-year to $145.9 million; the TTM value through Nov 2025 reached $145.9 million, down 6.8%, while the annual FY2025 figure was $156.1 million, 1.67% down from the prior year.
  • Shares Outstanding (Diluted Average) reached $145.9 million in Q4 2025 per KMX's latest filing, down from $149.6 million in the prior quarter.
  • Across five years, Shares Outstanding (Diluted Average) topped out at $166.3 million in Q2 2021 and bottomed at $145.9 million in Q4 2025.
  • Average Shares Outstanding (Diluted Average) over 5 years is $159.0 million, with a median of $158.8 million recorded in 2023.
  • Peak YoY movement for Shares Outstanding (Diluted Average): rose 1.69% in 2021, then dropped 6.8% in 2025.
  • A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $165.6 million in 2021, then dropped by 3.27% to $160.2 million in 2022, then decreased by 0.87% to $158.8 million in 2023, then fell by 1.45% to $156.5 million in 2024, then fell by 6.8% to $145.9 million in 2025.
  • Per Business Quant database, its latest 3 readings for Shares Outstanding (Diluted Average) were $145.9 million in Q4 2025, $149.6 million in Q3 2025, and $152.6 million in Q2 2025.