Fund Evaluator:

Vanguard Long-Term Treasury Idx Admiral Overview

Vanguard Long-Term Treasury Idx Admiral (VLGSX) is a passively managed Taxable Bond Long Government fund. Vanguard launched the fund in 2010.

The investment seeks to track the performance of a market-weighted Treasury index with a long-term dollar-weighted average maturity. The fund employs an indexing investment approach designed to track the performance of the Bloomberg U.S. Long Treasury Index. This index includes fixed income securities issued by the U.S. Treasury (not including inflation-protected bonds, floating rate securities and certain other security types), with maturities greater than 10 years. Under normal circumstances, at least 80% of the fund's assets will be invested in bonds included in the index.

About Vanguard Long-Term Treasury Idx Admiral (VLGSX)

There are 1 members of the management team with an average tenure of 13.36 years: Joshua Barrickman (2013). Management tenure is more important for actively managed funds than passive index funds.

The fund has 2 primary benchmarks: Bloomberg US Agg Float Adj TR USD index with a weighting of 100% and Bloomberg US Treasury Long TR USD index with a weighting of 100%. Vanguard Long-Term Treasury Idx Admiral has 101 securities in its portfolio. The top 10 holdings constitute 21.4% 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 Long-Term Treasury Idx Admiral is part of the Fixed Income global asset class and is within the Taxable Bond fund group. Vanguard Long-Term Treasury Idx Admiral has 0.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0%. There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 99.0% (99.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). Vanguard Long-Term Treasury Idx Admiral has 1.0% of the portfolio in cash.

Assets Under Management

The fund has $1 billion in total assets, which is below the $1 billion average for the Long Government 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.

VLGSX 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 Long-Term Treasury Idx Admiral expense ratio is low compared to funds in the Long Government category. Vanguard Long-Term Treasury Idx Admiral has an expense ratio of 0.06%, which is 95% lower than its category average, making the fund expense ratio grade a B. 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 Long-Term Treasury Idx Admiral has a portfolio turnover rate of 20%, indicating that holds its assets around 0.1 years. By way of comparison, the average portfolio turnover is 121% for the Long Government category.

Recently, in the month of June 2026, Vanguard Long-Term Treasury Idx Admiral returned 1.0%, which earned it a grade of C, as the Long Government category had an average return of 1.0%. 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 Long-Term Treasury Idx Admiral has a trailing yield of 4.16%, which is below the 4.22% category average. The fund normally distributes its income monthly 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 Long-Term Treasury Idx Admiral Grades

Year to date, the fund has returned 0.7%, 0.3 percentage points better than the category, which translates into a grade of C. The fund has returned 2.9% over the past year (grade of D), -0.5% over the past three years (grade of D) and -5.7% per year over the past five years (grade of D) and -1.4% per year over the past 10 years (grade of C).

For more mutual fund grades, analysis and screening tools to help your investment discovery, join AAII for a $2, full-access trial. Learn more here: https://invest.aaii.com/membership.

Otherwise, for more information about Vanguard Long-Term Treasury Idx Admiral, including its riskiness, submit your email to unlock the rest of the article.