Replacing Warren Buffett is perhaps the ultimate poisoned chalice. With him at the helm, Berkshire Hathaway Inc. (BRK.A, BRK.B) has delivered a staggering total return of more than 5.5 million percent to shareholders since Buffett took over the company in 1965.

The Oracle of Omaha is retiring soon, but these ETFs can help investors channel different aspects of his investing philosophy.

Buffett is known for his long-term investment philosophies and willingness to hold winning stocks, even if they become significant portions of his portfolio. Just four winning stocks make up 57% of Berkshire Hathaway's $277 billion stock portfolio. Here they are, and why they are still excellent buy-and-hold candidates for any long-term investor.