401(k) administration

Everything you need to know about 401(k) blackout periodsMaybe you’ve heard of a 401(k) blackout period, but if you don’t know exactly what it is or how to explain it to your employees, read on.Published Oct. 15, 2026 • 5 min read

Dana KarlsonSr. Manager Copy & Content

Share the Wealth: Everything you need to know about profit sharing 401(k) plansIn addition to bonuses, raises, and extra perks, many employers elect to add profit sharing to their 401(k) plan. Read on for answers to frequently asked questions.Updated Oct. 15, 2026 • 9 min read

Betterment Editors

What is a 401(k) QDIA?What is a QDIA? A 401(k) Qualified Default Investment Alternative (QDIA) is the investment used when an employee contributes to the plan without having specified how the money should be invested. As a "safe harbor," a QDIA protects plan fiduciaries from liability for the default investment's ...Updated Oct. 14, 2026 • 9 min read

Betterment Editors

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All about vesting of employer contributions10 min read

Alternatives: What are they and how does Betterment use them?4 min read

Safe Harbor vs. traditional 401(k) plans: Which is right for you and your Employees?9 min read

Betterment 401(k) bulk upload tutorial for plan sponsors6 min read

2026 portfolio updates: What plan sponsors need to know3 min read

Target Income built with BlackRock: New name, new strategy3 min read

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