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Vanguard Mortgage-Backed Securities Index Fund ETF Shares (VMBS)

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Upturn Advisory Summary
02/27/2026: VMBS (2-star) has a low Upturn Star Rating. Not recommended to BUY.
Key Highlights
Volume (30-day avg) - | Beta 1.11 | 52 Weeks Range 43.28 - 46.52 | Updated Date 06/30/2025 |
52 Weeks Range 43.28 - 46.52 | Updated Date 06/30/2025 |
Upturn AI SWOT
Vanguard Mortgage-Backed Securities Index Fund ETF Shares
ETF Overview
Overview
The Vanguard Mortgage-Backed Securities Index Fund ETF Shares (VMBS) is designed to track the performance of the Bloomberg U.S. MBS Index. This index comprises a wide range of investment-grade fixed-rate and adjustable-rate mortgage-backed securities issued by government-sponsored enterprises and agencies.
Reputation and Reliability
Vanguard is one of the world's largest investment management companies and is widely recognized for its commitment to low-cost investing and its investor-centric approach. It has a long and established track record of reliability and stability in the ETF market.
Management Expertise
Vanguard ETFs are typically passively managed, aiming to replicate the performance of a specific index. The expertise lies in their robust index-tracking methodologies and operational efficiency, rather than active stock picking.
Investment Objective
Goal
To provide investors with broad exposure to the U.S. investment-grade mortgage-backed securities market.
Investment Approach and Strategy
Strategy: VMBS aims to replicate the performance of the Bloomberg U.S. MBS Index, which includes a broad range of mortgage-backed securities.
Composition The ETF holds a diversified portfolio of mortgage-backed securities, primarily those guaranteed by government-sponsored entities like Fannie Mae and Freddie Mac, as well as Ginnie Mae. The underlying assets are fixed-rate and adjustable-rate mortgage pass-through securities.
Market Position
Market Share: Data on specific ETF market share within niche bond sectors like MBS can be proprietary and fluctuate. However, Vanguard is a dominant player across the ETF landscape.
Total Net Assets (AUM): As of recent data (please refer to live market data for current figures), VMBS typically holds billions of dollars in assets under management.
Competitors
Key Competitors
- iShares MBS ETF (MBB)
- SPDR Bloomberg Barclays Mortgage Backed Securities ETF (MBG)
Competitive Landscape
The MBS ETF market is competitive, with several major ETF providers offering similar products. Vanguard's key advantage lies in its low expense ratios and brand trust. Competitors may differentiate on slightly different index methodologies or historical tracking differences. Disadvantages might include the sheer size of Vanguard's offerings, which can sometimes lead to less tailored liquidity compared to smaller, more specialized ETFs, though this is generally not a significant issue for VMBS.
Financial Performance
Historical Performance: VMBS has historically provided income and capital appreciation, with returns influenced by interest rate movements. Its performance typically mirrors that of the broader U.S. MBS market. (Specific numerical data for 1-year, 3-year, 5-year, and 10-year returns should be sourced from financial data providers for up-to-date analysis).
Benchmark Comparison: VMBS aims to closely track the performance of the Bloomberg U.S. MBS Index. Deviations from the benchmark are typically minimal due to its passive investment strategy.
Expense Ratio: 0.04
Liquidity
Average Trading Volume
VMBS generally exhibits strong liquidity, with substantial average daily trading volumes allowing for easy entry and exit for most investors.
Bid-Ask Spread
The bid-ask spread for VMBS is typically tight, reflecting its high trading volume and the liquidity of its underlying assets, minimizing trading costs for investors.
Market Dynamics
Market Environment Factors
VMBS is significantly influenced by interest rate policies of the Federal Reserve, inflation expectations, and housing market trends. Changes in interest rates directly impact the value of mortgage-backed securities, with rising rates generally leading to price declines and falling rates to price appreciation.
Growth Trajectory
The growth of VMBS is tied to the overall demand for fixed-income investments and the specific appeal of mortgage-backed securities within an investor's portfolio. As an index-tracking ETF, its strategy and holdings remain largely consistent, reflecting the composition of its benchmark index.
Moat and Competitive Advantages
Competitive Edge
VMBS benefits from Vanguard's reputation for low costs, making it an attractive option for cost-conscious investors. Its broad diversification across the U.S. mortgage-backed securities market reduces single-security risk. As a passively managed index fund, it offers transparency and predictable exposure to a significant segment of the bond market.
Risk Analysis
Volatility
VMBS exhibits moderate volatility, primarily driven by interest rate sensitivity. It is less volatile than equity ETFs but more volatile than short-term government bond funds.
Market Risk
The primary market risk is interest rate risk, where rising interest rates can cause the value of the ETF's holdings to decline. Prepayment risk is also a factor, as homeowners may refinance their mortgages, affecting the expected cash flows of the securities. Credit risk is generally low due to the nature of the underlying guaranteed securities.
Investor Profile
Ideal Investor Profile
The ideal investor for VMBS is one seeking to diversify their fixed-income portfolio with exposure to mortgage-backed securities, looking for a stable income stream and potential for capital appreciation, and who understands the impact of interest rate changes on bond prices.
Market Risk
VMBS is best suited for long-term investors and passive index followers who aim to hold diversified fixed-income assets as part of a broader investment strategy.
Summary
The Vanguard Mortgage-Backed Securities Index Fund ETF Shares (VMBS) offers investors broad, low-cost exposure to the U.S. investment-grade mortgage-backed securities market. It passively tracks the Bloomberg U.S. MBS Index, providing diversified holdings in government-sponsored enterprise and agency-issued MBS. While offering stable income, it is sensitive to interest rate fluctuations. Its strong liquidity and Vanguard's reputation make it a reliable choice for long-term fixed-income diversification.
Similar ETFs
Sources and Disclaimers
Data Sources:
- Vanguard Official Website
- Financial Data Providers (e.g., Bloomberg, Morningstar, ETF.com - actual data for AUM, performance, and volumes would be sourced here in a live scenario)
Disclaimers:
This information is for informational purposes only and should not be considered investment advice. ETF performance can vary significantly, and past performance is not indicative of future results. Investors should conduct their own due diligence and consult with a financial advisor before making investment decisions. All numerical data, especially for AUM and performance, is illustrative and should be verified with current market data.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About Vanguard Mortgage-Backed Securities Index Fund ETF Shares
Exchange NASDAQ | Headquaters - | ||
IPO Launch date - | CEO - | ||
Sector - | Industry - | Full time employees - | Website |
Full time employees - | Website | ||
The fund employs an indexing investment approach designed to track the performance of the Bloomberg U.S. MBS Float Adjusted Index. This index covers U.S. agency mortgage-backed pass-through securities issued by the GNMA, the FNMA, and the FHLMC. To be included in the index, pool aggregates must have at least $1 billion currently outstanding and a weighted average maturity of at least 1 year. All of the fund's investments will be selected through the sampling process, and at least 80% of the fund's assets will be invested in bonds included in the index.

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