--- title: Your 401(k) May Be Your Largest Investment. Is It Receiving Enough Attention? description: Learn how to evaluate target date funds, diversification, market styles, and quarterly 401(k) reviews without chasing performance. image: https://blog.designfinancialgroup.com/hubfs/signal-2026-07-15-14-11-47-122_003.jpg --- [Skip to content](https://blog.designfinancialgroup.com/blog/your-401k-may-be-your-largest-investment.-is-it-receiving-enough-attention#main-content) ![](https://blog.designfinancialgroup.com/hs-fs/hubfs/signal-2026-07-15-14-11-47-122_003.jpg?width=1774&height=887&name=signal-2026-07-15-14-11-47-122_003.jpg) # Your 401(k) May Be Your Largest Investment. Is It Receiving Enough Attention? ![Richard Shupick](https://blog.designfinancialgroup.com/hs-fs/hubfs/Rich_Shupick_0073.jpg?width=48&height=48&name=Rich_Shupick_0073.jpg) Richard Shupick July 15, 2026 For many Americans, the largest investment account they will ever own is not sitting at a bank or brokerage firm. It is quietly growing inside an employer sponsored 401(k) plan. Money enters with every paycheck, often joined by an employer contribution, yet the investment choices made during enrollment may remain untouched for years as careers, families, markets, and retirement plans change. Consider Mark, a fictional 52 year old plant manager who had contributed to his 401(k) for more than two decades. His balance had grown substantially, but he could not explain how the account was invested. He eventually moved everything into a target date fund because it appeared to be the easiest option. Mark was saving consistently and avoiding emotional trading, both of which mattered. However, the account representing a major part of his retirement resources had never been considered alongside his pension, Social Security, outside investments, retirement timeline, or tolerance for market declines. Like many participants, he did not have a financial professional regularly reviewing the investments inside his workplace plan. Managing your own 401(k) does not require predicting every turn in the market. It does require understanding what you own and following a disciplined review process. Three areas deserve particular attention. ## **1. Understand What a Target Date Fund Can and Cannot Do** Target date funds have become a central part of the retirement system. At year end 2023, 71 percent of participants in a large Employee Benefit Research Institute and Investment Company Institute database held target date funds, and those investments represented 42 percent of total plan assets. Their popularity is understandable. A participant chooses a fund with a year near the expected retirement date, such as 2040 or 2050. The fund then provides a mix of stocks, bonds, and other investments while gradually becoming more conservative as that year approaches. This changing allocation is known as a glide path. A target date fund also handles rebalancing. For participants who might otherwise hold too much cash, concentrate their savings in one category, or make emotional changes during volatile markets, this can be a practical solution. The limitation is that convenience is not the same as personalization. The fund generally knows only an approximate retirement year. It does not know whether the participant has a pension, a working spouse, substantial savings outside the plan, significant debt, an early retirement goal, or a greater ability to tolerate volatility. Two employees expecting to retire in 2040 may therefore need very different investment strategies. Funds carrying the same retirement year can also differ meaningfully. One 2040 fund may own more stocks, international investments, or bonds than another. Fees, underlying investments, risk levels, and glide paths can also vary. Participants should review what the fund owns, what it costs, and whether its risk level remains appropriate. A target date fund is also generally designed to function as a complete portfolio. Adding several stock and bond funds beside it can duplicate holdings and unintentionally alter the allocation the fund was designed to maintain. ## **What Plan Sponsors Should Consider** Participants are not the only ones responsible for thoughtful oversight. Employers sponsoring the plan also have important duties when selecting and monitoring target date funds. A plan holding a large percentage of its assets in target date funds is not automatically overexposed. Many employers use a target date series as the plan’s qualified default investment alternative, which means participants who do not make an election may be placed into an age appropriate fund. The more important issue is whether the sponsor followed a prudent selection and monitoring process. The Department of Labor advises plan fiduciaries to understand the fund’s investments and glide path, compare alternatives, examine fees, consider participant demographics, and review the series periodically. This responsibility becomes more significant when a large portion of participant assets flows into one fund series. The concern is not an arbitrary percentage. It is the effect that one selection may have across much of the workforce. Sponsors should be able to explain why the series was selected, how it compares with alternatives, and whether it continues to fit the participant population. ## **2. Build an Allocation Beyond Familiar Investments** Many investors naturally prefer companies and markets they recognize. An American participant may feel most comfortable owning primarily large United States companies because those names appear in daily life. Familiarity, however, does not necessarily produce a diversified portfolio. A participant can own several domestic funds and still be concentrated in many of the same companies. A large company index fund, a growth fund, and a technology fund may appear different while sharing numerous underlying holdings. International investments can broaden a portfolio across countries, currencies, industries, and economic cycles. They also carry additional risks, including currency fluctuations, political conditions, and differing regulations. Their purpose is not to outperform every year, but to reduce dependence on a single country or market segment. Recent results illustrate why this exposure can matter. The MSCI EAFE Index, which represents developed markets outside the United States and Canada, produced a net return of 31.22 percent in 2025 and 9.44 percent for the six months ending June 30, 2026. The S&P 500, a measure of large United States companies, gained 16.39 percent in 2025. Based on its closing levels on December 31, 2025, and June 30, 2026, its price return for the first six months of 2026 was approximately 9.55 percent. These figures do not suggest that participants should move heavily into international investments after a strong period. They demonstrate that market leadership changes, sometimes quickly. A participant with no international allocation would have missed an important source of return during 2025, but adding it only after that performance could become another form of chasing the market. The same principle applies to growth and value investments. Growth companies may lead during periods when investors favor expanding earnings and innovation, while value companies may benefit when the market favors lower valuations, dividends, or economically sensitive businesses. A quarterly review may reveal that recent performance has caused one style to dominate the portfolio. That does not mean eliminating the weaker style and moving everything into the recent winner. No one can reliably predict when leadership will shift. A more durable approach is to maintain reasonable exposure to both growth and value, then rebalance when market movements cause the portfolio to stray materially from its intended allocation. ## **3. Review the Account Quarterly Without Chasing Performance** A quarterly review does not mean rebuilding the portfolio every three months. It means checking whether the account still reflects the strategy the participant intended to own. Suppose an investor begins with 70 percent in stocks and 30 percent in bonds. After a strong period for stocks, the account may drift to 77 percent stocks and 23 percent bonds. The investor is now taking more risk without deliberately choosing to do so. Rebalancing can bring the account closer to its intended allocation. In some cases, this may involve directing future contributions toward underrepresented categories rather than selling existing holdings. A quarterly check can also uncover contributions sitting in cash, funds with overlapping investments, rising expenses, or an allocation selected at age 35 that remains unchanged at age 60. Reviewing quarterly does not mean changes must be made quarterly. Adjustments should be based on meaningful allocation drift, changes in personal circumstances, or the investor’s established strategy. The review should not become an attempt to identify and purchase whichever investment style recently performed best. Even professional managers have difficulty doing that consistently. S&P Dow Jones Indices reported that 79 percent of active large company United States equity funds underperformed the S&P 500 in 2025. A useful review asks whether the retirement timeline has changed, whether the account remains diversified, whether growth and value exposure is still reasonable, whether fees remain appropriate, and whether the level of risk still fits the participant’s situation. ## **Conclusion: Give Your Largest Account the Attention It Deserves** A 401(k) can grow quietly for decades, which is both its strength and its weakness. Automatic contributions make disciplined saving easier, but automation can create the impression that no further attention is required. Target date funds may provide a useful foundation, but they are not individualized financial plans. Diversification should extend beyond familiar investments and include reasonable exposure to different markets and investment styles. Quarterly reviews can help identify drift and changing needs, provided they do not become an excuse for frequent trading or performance chasing. The goal is not constant activity. It is to understand what you own, why you own it, and whether the strategy continues to support the retirement you are working to create. We also advise having a qualified financial professional in your corner to assist you and your family as you work toward your financial goals. A professional can help evaluate your 401(k) alongside Social Security, pensions, outside investments, taxes, insurance, and future income needs. Professional guidance cannot eliminate investment risk or guarantee results, but it may help families make more informed and coordinated financial decisions. ## **Sources** U.S. Department of Labor, “Target Date Retirement Funds: Tips for ERISA Plan Fiduciaries” [https://www.dol.gov/sites/dolgov/files/EBSA/about-ebsa/our-activities/resource-center/fact-sheets/target-date-retirement-funds-erisa-plan-fiduciaries-tips.pdf](https://www.dol.gov/sites/dolgov/files/EBSA/about-ebsa/our-activities/resource-center/fact-sheets/target-date-retirement-funds-erisa-plan-fiduciaries-tips.pdf) U.S. Government Accountability Office, “401(k) Retirement Plans: Department of Labor Should Update Guidance on Target Date Funds” [https://www.gao.gov/products/gao-24-105364](https://www.gao.gov/products/gao-24-105364) Investment Company Institute and Employee Benefit Research Institute, “401(k) Plan Asset Allocation, Account Balances, and Loan Activity in 2023” [https://www.ici.org/system/files/2026-04/per32-02.pdf](https://www.ici.org/system/files/2026-04/per32-02.pdf) MSCI, “MSCI EAFE Index” [https://www.msci.com/documents/10199/255599/msci-eafe-index-usd-net.pdf](https://www.msci.com/documents/10199/255599/msci-eafe-index-usd-net.pdf) S&P Dow Jones Indices, “S&P 500” [https://www.spglobal.com/spdji/en/indices/equity/sp-500](https://www.spglobal.com/spdji/en/indices/equity/sp-500) S&P Dow Jones Indices, “U.S. Equities Market Attributes, December 2025” [https://www.spglobal.com/spdji/en/commentary/article/us-equities-market-attributes](https://www.spglobal.com/spdji/en/commentary/article/us-equities-market-attributes) S&P Dow Jones Indices, “SPIVA U.S. Year End 2025” [https://www.spglobal.com/spdji/en/spiva/article/spiva-us](https://www.spglobal.com/spdji/en/spiva/article/spiva-us)   ## Share this post [mailto:https%3A%2F%2Fblog.designfinancialgroup.com%2Fblog%2Fyour-401k-may-be-your-largest-investment.-is-it-receiving-enough-attention](mailto:https%3A%2F%2Fblog.designfinancialgroup.com%2Fblog%2Fyour-401k-may-be-your-largest-investment.-is-it-receiving-enough-attention) ## Keep reading ### [![](https://blog.designfinancialgroup.com/hs-fs/hubfs/signal-2026-07-15-14-11-47-122_002.jpg?width=1774&height=887&name=signal-2026-07-15-14-11-47-122_002.jpg) Retiring Outside the United States, Part 3: Could Thailand Become Home?](https://blog.designfinancialgroup.com/blog/retiring-outside-the-united-states-part-3-could-thailand-become-home) ### [![](https://blog.designfinancialgroup.com/hs-fs/hubfs/signal-2026-07-01-15-34-15-579_002.jpg?width=1536&height=1024&name=signal-2026-07-01-15-34-15-579_002.jpg) Part 2: The Financial Reality of Retiring Abroad](https://blog.designfinancialgroup.com/blog/part-2-the-financial-reality-of-retiring-abroad) [![Design-FullLogo-HighRes tight 2500 White (2)-1](https://blog.designfinancialgroup.com/hs-fs/hubfs/Design-FullLogo-HighRes%20tight%202500%20White%20(2)-1.png?width=6532&height=1100&name=Design-FullLogo-HighRes%20tight%202500%20White%20(2)-1.png "Design-FullLogo-HighRes tight 2500 White (2)-1")](https://www.designfinancialgroup.com/) - Home - Products - Pricing - Blog - Company --- *Securities offered through OneAmerica Securities, Inc., a Registered Investment Advisor, Member [FINRA](https://www.finra.org/), [SIPC](https://www.sipc.org/). Design Financial Group is not an affiliate of OneAmerica Securities and is not a broker dealer or Registered Investment Advisor.* *Design Financial Group may conduct life insurance and securities business in Michigan and may be licensed in other states. Financial professionals cannot conduct life insurance or securities business in states in which they are not licensed. This content should not be construed as an offer for the sale of insurance or securities products in unauthorized states or countries.* *Provided content is for overview and informational purposes only and is not intended and should not be relied upon as individualized tax, legal, fiduciary, or investment advice. Investing involves risk which includes potential loss of principal. Past performance is not a guarantee of future results. Guarantees are subject to the claims paying ability of the issuing insurance company.* *All numeric examples and any individuals shown are hypothetical and were used for explanatory purposes only. Actual results may vary.* *These concepts were derived under current laws and regulations. Changes in the law or regulations may affect the information provided. Neither OneAmerica Securities, Design Financial Group, nor their representatives provide tax or legal advice. For answers to specific questions and before making any decisions, please consult a qualified attorney or tax advisor.* *Not affiliated with or endorsed by the Social Security Administration, the Centers for Medicare & Medicaid Services, or any other governmental agency.* *Access OneAmerica Securities [Form CRS](https://oasf.my.salesforce.com/sfc/p/#50000000bbUu/a/TO0000004FQH/LKgM0Q3AyhmGi4qQ_fBYJBWFrcnPtaUk6whq7_Qi5mI).*     Privacy Policy · Legal · © 2026 Design Financial Group. All rights reserved. ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Richard Shupick", "url" : "https://blog.designfinancialgroup.com/blog/author/richard-shupick" }, "dateModified" : "2026-07-15T18:24:13.876Z", "datePublished" : "2026-07-15T18:24:13.000Z", "headline" : "Your 401(k) May Be Your Largest Investment. Is It Receiving Enough Attention?", "image" : [ "https://blog.designfinancialgroup.com/hubfs/signal-2026-07-15-14-11-47-122_003.jpg" ], "mainEntityOfPage" : { "@id" : "https://blog.designfinancialgroup.com/blog/your-401k-may-be-your-largest-investment.-is-it-receiving-enough-attention", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://blog.designfinancialgroup.com/hubfs/Design-FullLogo-HighRes%20tight%202500%20(1).png" }, "name" : "Design Financial Group" } } ```