Vanguard Mortgage-Backed Securities Index Fund Institutional Shares (VMBIX) belongs to the Total Bond Market category. Below you'll find alternative mutual funds from the same category, ranked by key criteria, plus funds that investors commonly compare with VMBIX. Use the tables to find lower-cost options, better risk-adjusted returns, or a closer substitute for your current allocation.
Cheapest Alternatives to VMBIX
VMBIX charges 0.05% annually. There are 10 mutual funds in the Total Bond Market category with lower expense ratios, going as low as 0.02%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| Vanguard Total Bond Market II Index Fund | 0.02% | — | — | VMBIX vs VTBNX | |
| Vanguard Total Bond Market Index Fund Institutiona... | 0.03% | 394.40B | Sep 1995 | VMBIX vs VBTIX | |
| Fidelity U.S. Bond Index Fund | 0.03% | — | Mar 1990 | VMBIX vs FXNAX | |
| Fidelity Short-Term Bond Index Fund | 0.03% | — | Oct 2017 | VMBIX vs FNSOX | |
| Vanguard Total Bond Market Index Fund Institutiona... | 0.03% | 394.40B | Feb 2010 | VMBIX vs VBMPX |
Best Risk-Adjusted Alternatives to VMBIX
VMBIX has a PortfoliosLab risk / return rank of 39. There are 30 mutual funds in the Total Bond Market category with higher risk-adjusted ranks, going as high as 100.
| Symbol | Name | Risk / Return Rank | AUM | Inception | |
|---|---|---|---|---|---|
| Vanguard Ultra-Short-Term Bond Fund Admiral Shares | 100 | — | Feb 2015 | VMBIX vs VUSFX | |
| Vanguard Ultra-Short-Term Bond Fund Investor Share... | 99 | 15.70B | Feb 2015 | VMBIX vs VUBFX | |
| JPMorgan Strategic Income Opportunities Fund Class... | 99 | — | Oct 2008 | VMBIX vs JSOSX | |
| Fidelity Flex Conservative Income Bond Fund | 99 | — | May 2018 | VMBIX vs FJTDX | |
| Fidelity Conservative Income Bond Institutional Cl... | 99 | — | Mar 2011 | VMBIX vs FCNVX |
Top Performing VMBIX Alternatives (YTD)
VMBIX is at 0.94% YTD. There are 16 mutual funds in the Total Bond Market category with higher YTD returns, going as high as 2.98%.
| Symbol | Name | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|
| Fidelity Advisor Strategic Income Fund Class Z | 2.98% | — | Oct 2018 | VMBIX vs FIWDX | |
| Fidelity Advisor Strategic Income Fund Class I | 2.94% | — | Jul 1995 | VMBIX vs FSRIX | |
| Fidelity Strategic Income Fund | 2.87% | — | Oct 1994 | VMBIX vs FADMX | |
| Fidelity Advisor Strategic Income Fund Class A | 2.85% | — | Sep 1996 | VMBIX vs FSTAX | |
| Fidelity Advisor Strategic Income Fund Class M | 2.85% | — | Oct 1994 | VMBIX vs FSIAX |
Lowest Volatility Alternatives to VMBIX
VMBIX has 3.76% 1-year volatility. There are 44 mutual funds in the Total Bond Market category with lower 1-year volatility, going as low as 0.60%.
| Symbol | Name | Volatility 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| Vanguard Ultra-Short-Term Bond Fund Admiral Shares | 0.60% | — | Feb 2015 | VMBIX vs VUSFX | |
| JPMorgan Strategic Income Opportunities Fund Class... | 0.68% | — | Oct 2008 | VMBIX vs JSOSX | |
| Vanguard Ultra-Short-Term Bond Fund Investor Share... | 0.78% | 15.70B | Feb 2015 | VMBIX vs VUBFX | |
| Fidelity Conservative Income Bond Institutional Cl... | 1.18% | — | Mar 2011 | VMBIX vs FCNVX | |
| Fidelity Flex Conservative Income Bond Fund | 1.27% | — | May 2018 | VMBIX vs FJTDX |
Lowest Drawdown Alternatives to VMBIX
VMBIX has a 1-year max drawdown of -2.63%. There are 31 mutual funds in the Total Bond Market category with shallower 1-year drawdowns, going as shallow as -0.10%.
| Symbol | Name | Max Drawdown 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| Fidelity Conservative Income Bond Institutional Cl... | -0.10% | — | Mar 2011 | VMBIX vs FCNVX | |
| Fidelity Flex Conservative Income Bond Fund | -0.10% | — | May 2018 | VMBIX vs FJTDX | |
| Vanguard Ultra-Short-Term Bond Fund Admiral Shares | -0.25% | — | Feb 2015 | VMBIX vs VUSFX | |
| JPMorgan Strategic Income Opportunities Fund Class... | -0.26% | — | Oct 2008 | VMBIX vs JSOSX | |
| Vanguard Ultra-Short-Term Bond Fund Investor Share... | -0.30% | 15.70B | Feb 2015 | VMBIX vs VUBFX |
Other Mutual Funds from Vanguard
The 10 most viewed Vanguard mutual funds shown here include VTSAX, VFIAX, VTIAX and span 8 categories. AUM among these funds goes as high as $2T.
Often Compared With VMBIX
Investors most often compare VMBIX with SPY, VBIPX, BND. These 8 comparison targets span 3 categories, based on PortfoliosLab usage data.
| Symbol | Name | Category | Risk / Return Rank | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|---|---|
| State Street SPDR S&P 500 ETF | S&P 500 | 60 | 8.10% | 765.27B | Jan 1993 | VMBIX vs SPY | |
| Vanguard Short-Term Bond Index Fund Institutional ... | Total Bond Market | 32 | 0.02% | — | Sep 2011 | VMBIX vs VBIPX | |
| Vanguard Total Bond Market ETF | Total Bond Market | 35 | 0.94% | 394.40B | Apr 2007 | VMBIX vs BND | |
| Fidelity Series Short-Term Credit Fund | Total Bond Market | 75 | 0.71% | — | Mar 2015 | VMBIX vs FYBTX | |
| Fidelity Total Bond Fund | Intermediate Core-Plus Bond | 22 | 0.36% | — | Oct 2002 | VMBIX vs FTBFX | |
| Vanguard Short-Term Federal Fund Investor Shares | Total Bond Market | 43 | 0.31% | 4.50B | Dec 1987 | VMBIX vs VSGBX | |
| DoubleLine Total Return Bond Fund Class I | Total Bond Market | 17 | 0.01% | — | Apr 2010 | VMBIX vs DBLTX | |
| Vanguard Mortgage-Backed Securities Index Fund Adm... | Total Bond Market | 37 | 0.92% | 17.10B | Dec 2009 | VMBIX vs VMBSX |
Compare VMBIX with Any Fund or Stock
Compare VMBIX with any ETF, mutual fund, or stock using PortfoliosLab's comparison tool.
Pair VMBIX with funds that move differently
Vanguard Mortgage-Backed Securities Index Fund Institutional Shares alternatives help with substitution. Diversifiers are the next step when you want funds with lower historical correlation to VMBIX.
Explore VMBIX Diversifiers