Buffett’s Legacy Plan: 90% S&P 500, 10% Treasury – A Gold Standard for Investors

Warren Buffett’s post‑mortem allocation, dedicating 90 % to the S&P 500 and 10 % to short‑term government bonds, offers a fresh benchmark for investors.

The Strategic Blueprint of the Estate

In his 2013 shareholder letter, Buffett earmarked 10 % of the cash to short‑term Treasury bonds and the remaining 90 % to a low‑cost S&P 500 index fund, striking a balance between growth and liquidity.

The S&P 500’s 2025 Journey

■The S&P 500 rose 16.39 % (ex‑dividends) and 17.88 % (incl. dividends) in 2025.

■Inflation, geopolitical risks, and post‑pandemic recovery shaped the index’s performance.

■Buffett’s approach is less about destiny and more about sustainable resilience.

The Cushion of Short‑Term Bonds

■Short‑term bonds deliver low risk and high liquidity, essential for emergency cash needs.

■2024 bond yields hovered around 1.5 %, providing a steady income stream.

■Allocating 10 % to these instruments mitigates market‑volatility exposure.

Practical Steps for Investors

■Platforms like Acorns enable $5‑level investments into the S&P 500, democratizing access.

■Moby offers a portfolio that has outperformed the index by roughly 12 % on average, appealing to active traders.

■WiserAdvisor connects high‑net‑worth investors (> $250 k) with tax‑and‑withdrawal specialists.

Market Trajectories and Future Outlook

■The 2025 surge is underpinned by growth in Technology and Healthcare.

■A drop in inflation to 3.0 % could further lift long‑term returns.

■Even in a low‑rate environment, short‑term bonds maintain stability, reinforcing portfolio risk profiles.

Markets will likely see reduced volatility as Buffett’s straightforward strategy gains traction, offering a reliable roadmap for medium‑ and long‑term investors.