Updated 2026-03-19

Three-Fund Portfolio for Your 401(k): Simple & Low-Cost

Build a diversified 401(k) portfolio with just three index funds. The Bogleheads approach with allocation percentages by age and fund selection.

What You Will Learn

This guide covers everything you need to know about three-fund portfolio for your 401(k): simple & low-cost. We break down the rules, compare your options, and provide tools to help you make informed decisions about your retirement savings.

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Pavlo Pyskunov

Pavlo Pyskunov

Managing Director & Investment Fund Director

Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.

Last updated: 2026-03-19

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