Updated 2026-03-19

Large Cap vs Small Cap Funds in Your 401(k)

Market cap categories explained for 401(k) investors. Large, mid, and small cap differences, historical returns, and diversification strategy.

What You Will Learn

This guide covers everything you need to know about large cap vs small cap funds in your 401(k). We break down the rules, compare your options, and provide tools to help you make informed decisions about your retirement savings.

Enable JavaScript for the full interactive experience with calculators, live data, and tools.

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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