D
Vanguard Mortgage-Backed Securities Index Fund Institutional Shares VMBIX
NASDAQ
Recommendation
NAV
Total Assets
Dividend Yield
Turnover Ratio
Expense Ratio
Weiss Ratings VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Rating D
Reward Index Weak
Reward Grade D
Risk Index Fair
Risk Grade C
Company Info VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Provider Vanguard
Manager/Tenure (Years) Joshua C. Barrickman (13)
Website http://www.vanguard.com
Fund Information VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Fund Name Vanguard Mortgage-Backed Securities Index Fund Institutional Shares
Category Government Mortgage-Backed Bond
Sub-Category US Fixed Income
Prospectus Objective Government Bond - Mortgage
Inception Date Oct 31, 2013
Open/Closed To New Investors Open
Minimum Initial Investment 5,000,000.00
Minimum Subsequent Investment 1.00
Front End Fee --
Back End Fee --
Dividends and Shares VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Dividend Yield 4.07%
Dividend VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Dividend Yield (Forward) --
Asset Allocation VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Cash 5.11%
Stock 0.00%
U.S. Stock 0.00%
Non-U.S. Stock 0.00%
Bond 94.89%
U.S. Bond 94.89%
Non-U.S. Bond 0.00%
Preferred 0.00%
Convertible 0.00%
Other Net 0.00%
Price History VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
7-Day Total Return -0.95%
30-Day Total Return -3.06%
60-Day Total Return -3.02%
90-Day Total Return -3.86%
Year to Date Total Return -2.88%
1-Year Total Return -1.63%
2-Year Total Return 2.51%
3-Year Total Return 16.92%
5-Year Total Return -1.55%
Price VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Closing Price --
1-Month Low Price --
1-Month High Price --
52-Week Low Price --
52-Week Low Price (Date) --
52-Week High Price --
52-Week High Price (Date) --
NAV VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Nav $23.97
1-Month Low NAV $23.97
1-Month High NAV $24.85
52-Week Low NAV $23.97
52-Week Low NAV (Date) Oct 02, 2026
52-Week High NAV $25.92
52-Week High Price (Date) Feb 28, 2026
Beta / Standard Deviation VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Beta 1.15
Standard Deviation 6.36
Balance Sheet VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Total Assets 17.10B
Operating Ratios VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Expense Ratio 0.02%
Turnover Ratio 91.00%
Performance VMBIX-NASDAQ Click to
Compare
Click to
Compare
Click to
Compare
Last Bull Market Total Return 7.02%
Last Bear Market Total Return -4.06%