Fund Evaluator:
Vanguard Mega Cap Index Institutional (VMCTX)Best Performing in Large Blend Over the Last Year
| 67.3% | PRIMECAP Odyssey Growth (POGRX) |
| 62.4% | Vanguard PRIMECAP Core Inv (VPCCX) |
| 58.7% | Vanguard PRIMECAP Adm (VPMAX) |
| 58.6% | Vanguard PRIMECAP Inv (VPMCX) |
| 51.1% | PRIMECAP Odyssey Stock (POSKX) |
Fund Details
Vanguard Mega Cap Index Institutional Overview
Vanguard Mega Cap Index Institutional (VMCTX) is a passively managed U.S. Equity Large Blend fund. Vanguard launched the fund in 2008.
The investment seeks to track the performance of the CRSP U.S. Mega Cap Index that measures the investment return of large-capitalization stocks in the United States. The fund employs an indexing investment approach designed to track the performance of the index. The index is a float-adjusted, market-capitalization-weighted index designed to measure equity market performance of mega-capitalization stocks in the U.S. The Advisor attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the index, holding each stock in approximately the same proportion as its weighting in the index.
About Vanguard Mega Cap Index Institutional (VMCTX)
There are 2 members of the management team with an average tenure of 1.36 years: Chris Nieves (2025), Jena Stenger (2025). Management tenure is more important for actively managed funds than passive index funds.
The fund has 2 primary benchmarks: CRSP US Mega Cap TR USD index with a weighting of 100% and DJ US TSM Float Adjusted TR USD index with a weighting of 100%. Vanguard Mega Cap Index Institutional has 182 securities in its portfolio. The top 10 holdings constitute 47.0% of the fund’s assets. The fund meets the SEC requirement of being classified as a diversified fund. The fund is not considered to have an ESG focus with its investment selection and management.
Vanguard Mega Cap Index Institutional is part of the Equity global asset class and is within the U.S. Equity fund group. Vanguard Mega Cap Index Institutional has 0.2% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 99.5%. There is 0.2% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). Vanguard Mega Cap Index Institutional has 0.2% of the portfolio in cash.
Assets Under Management
The fund has $571 million in total assets, which is below the $6 billion average for the Large Blend category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
VMCTX Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The Vanguard Mega Cap Index Institutional expense ratio is low compared to funds in the Large Blend category. Vanguard Mega Cap Index Institutional has an expense ratio of 0.05%, which is 94% lower than its category average, making the fund expense ratio grade a A. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. Vanguard Mega Cap Index Institutional has a portfolio turnover rate of 3%, indicating that holds its assets around 0.3 years. By way of comparison, the average portfolio turnover is 48% for the Large Blend category.
Recently, in the month of June 2026, Vanguard Mega Cap Index Institutional returned -1.5%, which earned it a grade of F, as the Large Blend category had an average return of -0.2%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all funds in that category.
Vanguard Mega Cap Index Institutional has a trailing yield of 0.92%, which is above the 0.56% category average. The fund normally distributes its income quarterly and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
Vanguard Mega Cap Index Institutional Grades
Year to date, the fund has returned 9.6%, 0.6 percentage points better than the category, which translates into a grade of C. The fund has returned 22.9% over the past year (grade of B), 21.9% over the past three years (grade of A) and 13.9% per year over the past five years (grade of A) and 16.2% per year over the past 10 years (grade of A).
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VMCTX Trailing NAV Total Returns Data as of 6/30/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| VMCTX Return (NAV) | -1.5% | 16.1% | 22.9% | 21.9% | 13.9% | 16.2% |
| VMCTX Grade | F | A | B | A | A | A |
| +/- Category | -1.3% | 2.2% | 3.5% | 3.4% | 2.4% | 2.2% |
| Large Blend Avg | -0.2% | 13.8% | 19.5% | 18.5% | 11.6% | 14.1% |
| VMCTX Tax Cost Ratio | na | na | 0.2% | 0.3% | 0.3% | 0.4% |
VMCTX Annual NAV Total ReturnsData as of 6/30/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| VMCTX Return (NAV) | 9.6% | 19.3% | 27.2% | 29.7% | -19.9% | 27.6% | 21.5% | 31.4% | -3.5% | 22.6% | 11.8% |
| VMCTX Grade | C | A | A | A | D | C | A | B | A | B | B |
| +/- Category | 0.6% | 3.5% | 5.0% | 6.0% | -2.6% | 1.0% | 4.0% | 1.6% | 2.5% | 1.3% | 1.5% |
| Large Blend Avg | 9.0% | 15.9% | 22.1% | 23.7% | -17.3% | 26.5% | 17.5% | 29.8% | -5.9% | 21.3% | 10.2% |
| Risk Measures | |
| Standard Deviation: | 13.5% |
| Total Risk Index: | 1.11 - Above Average |
| Category Risk Index: | 1.02 - Above Average |
| Category Risk Grade: | D (71% Rank) |
| Beta: | 1.03 |
| R-Squared: | 99% |
| Leveraged Fund: | No |
| Inverse Fund: | No |
| Portfolio Characteristics | |
| Equity Investment Style: | Large-Cap Blend |
| Bond Investment Style: | na |
| Yield: | 0.9% |
| Dividend Distribution: | Quarterly |
| Cap Gains Distribution: | Annually |
| Total Assets: | $10585 Mil |
| Fund Total Assets: | $ 572 Mil |
| Share Class Type: | Inst |
| Portfolio Turnover: | 3% |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 1.4 years | |||
| Average Tenure: 1.4 years | |||
| Managers (Year): Nieves Chris (2025), Stenger Jena (2025) | |||
Portfolio Composition (as of 5/31/26)
| # of Holdings: | 182 |
| % in Top 10 Holdings: | 47.0% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 0.2% |
Portfolio Allocation |
|
| Domestic Stock: | 99.5% |
| Foreign Stock: | 0.2% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.2% |
| Cash: | 0.2% |
Purchase Information
| Fund Family: | Vanguard |
| Phone Number: | 800-662-7447 |
| Website: | www.vanguard.com |
| Status: | Open |
| Inception Date: | February 22, 2008 |
| Min. Initial Purchase: | $5,000,000 |
| Min. Initial IRA Purchase: | $ 0 |
| True No-Load: | Yes |
| Front Load Maximum: | 0.00% |
| Deferred Charge Maximum: | 0.00% |
| Redemption Charge Maximum: | 0.00% |
| 12b-1 Fee: | na |
Expenses and Fees | |
| Expense Ratio (%): | 0.05% ( Rating : Low ) |
| Category Average Expense Ratio (%): | 0.81% |
| Share Class: | Vanguard Mega Cap ETF |
| Min. Subsequent Purchase: | $ 1 |
| Min. Subsequent IRA Purchase: | $ 0 |