Rate my stock portfolio (UK Investor)

(Rounded to nearest whole number for ease)

Is the S&P500 ETF USD the best stock to hold for the best compounding interest rate?

Microsoft – 22%

Berkshire Hathaway Class B – 21%

Amazon – 15%

S&P500 ETF USD Acc – 12%

AMD – 5%

Games Workshop – 5%

Softcat – 4%

NVIDIA – 3%

Arrival – 3%

James Halstead – 2%

Anglo American – 2%

Apple – 2%

Lightwave inc – 1.5%