Carmax's Shares Outstanding (Diluted Average) fell 455.07% to $149.4 million in Q4 2025 from the same period last year, while for Nov 2025 it was $149.4 million, marking a year-over-year decrease of 455.07%. This contributed to the annual value of $156.1 million for FY2025, which is 166.72% down from last year.
Carmax's Shares Outstanding (Diluted Average) amounted to $149.4 million in Q4 2025, which was down 455.07% from $151.1 million recorded in Q3 2025.
Over the past 5 years, Carmax's Shares Outstanding (Diluted Average) peaked at $166.3 million during Q2 2021, and registered a low of $149.4 million during Q4 2025.
In the last 5 years, Carmax's Shares Outstanding (Diluted Average) had a median value of $159.1 million in 2023 and averaged $159.3 million.
Per our database at Business Quant, Carmax's Shares Outstanding (Diluted Average) surged by 168.65% in 2021 and then tumbled by 455.07% in 2025.
Quarter analysis of 5 years shows Carmax's Shares Outstanding (Diluted Average) stood at $165.6 million in 2021, then fell by 3.27% to $160.2 million in 2022, then decreased by 0.83% to $158.9 million in 2023, then dropped by 1.49% to $156.5 million in 2024, then fell by 4.55% to $149.4 million in 2025.
Its Shares Outstanding (Diluted Average) was $149.4 million in Q4 2025, compared to $151.1 million in Q3 2025 and $152.6 million in Q2 2025.

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