VMBSVanguard Mortgage-Backed Securities Index Fund ETF Shares
Tracks the performance of a market-weighted mortgage-backed securities index.
By Vanguard · Launched 2009
Annual Cost
0.03%
#41 of 6,040 · low cost
Fund Size
$17.6B
#177 of 6,040 · large
Return (1Y)
+0.5%
Track Record
16 years
#718 of 6,040 · established
Performance
Total-return NAV · USDGrowth of $10,000
$9,976-0.2%
Total-return NAV, USD. Net of fund fees, before tax.
What's inside
How Beacon categorizes this fundAsset class
Fixed incomeRegion
North americaStrategy
Index tracking
Index tracked
Bloomberg US MBS Float Adjusted Index
Holdings
By weightConcentration
Top 10 holdings = 7.5% of funddiversified
Vanguard Cmt Funds-Vanguard Market Liquidity Fund
4.6%
Ginnie Mae II Pool
0.4%
Fannie Mae or Freddie Mac
0.4%
Fannie Mae or Freddie Mac
0.3%
Fannie Mae or Freddie Mac
0.3%
Ginnie Mae II Pool
0.3%
Freddie Mac Pool
0.3%
Ginnie Mae II Pool
0.3%
Freddie Mac Pool
0.3%
Fannie Mae or Freddie Mac
0.3%
Asset allocation
Bonds
96.2%
Cash
3.8%
Risk profile
Last 12 months · Sharpe & Sortino need 3+ yearsVolatility (1Y)
4.3%Low
Year-on-year price swings
Max drawdown
-17.5%Moderate
Worst peak-to-trough loss
Sharpe (3Y)
0.15Below average
Sortino (3Y)
0.22Moderate downside risk
Bond profile
Avg maturity
9.2 years
Credit ratings
AA
99.9%
Other
0.1%
Listing
- Exchange
- NASDAQ Global Select Market
Full fund details
- Objective
- Tracks the performance of a market-weighted mortgage-backed securities index.
- Strategy
- Employs an indexing investment approach to track the Bloomberg U.S. MBS Float Adjusted Index, investing primarily in fixed-rate U.S. agency mortgage-backed pass-through securities. Uses sampling to approximate the full Target Index in key risk factors and characteristics.
- Inception date
- November 19, 2009
- Fund family
- Vanguard
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Data updated on 2026-09-18