ETF comparison
VGSH vs VMBS
US Treasury (Short) vs US Aggregate Bond.
Vanguard Short-Term Treasury Index Fund ETF Shares · Vanguard Mortgage-Backed Securities Index Fund ETF Shares
Holdings overlap
0 positions appear in both funds. Buying equal dollars of VGSH and VMBS would leave roughly 0.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
Expense ratios are effectively identical (0.030% vs 0.030%).
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with VGSH vs VMBS.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in VGSH
91 total- United States Treasury Note/Bond 2.24%
- United States Treasury Note/Bond 1.40%
- United States Treasury Note/Bond 1.35%
- United States Treasury Note/Bond 1.31%
- United States Treasury Note/Bond 1.30%
- United States Treasury Note/Bond 1.29%
- United States Treasury Note/Bond 1.26%
- United States Treasury Note/Bond 1.26%
- United States Treasury Note/Bond 1.25%
- United States Treasury Note/Bond 1.25%
Only in VMBS
5,112 total- Fannie Mae or Freddie Mac 0.52%
- Ginnie Mae II Pool 0.36%
- Ginnie Mae II Pool 0.32%
- Ginnie Mae II Pool 0.31%
- Fannie Mae Pool 0.29%
- Ginnie Mae II Pool 0.29%
- Ginnie Mae II Pool 0.29%
- Ginnie Mae II Pool 0.28%
- Freddie Mac Pool 0.27%
- Freddie Mac Pool 0.27%
Related comparisons
More comparisons with VGSH
- VGSH vs VTEB · Vanguard Tax-Exempt Bond Index Fund ETF Shares 0.0%
- VGSH vs VTIP · Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares 0.0%
- VGSH vs VWOB · Vanguard Emerging Markets Government Bond Index Fund ETF Shares 0.0%
- VGSH vs ZROZ · PIMCO 25+ Year Zero Coupon U.S. Treasury Index Exchange-Traded Fund 0.0%
- VGSH vs SCHO · Schwab Short-Term U.S. Treasury ETF 90.4%
- VGSH vs SHY · iShares 1-3 Year Treasury Bond ETF 87.7%
More comparisons with VMBS
- VMBS vs VTIP · Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares 0.0%
- VMBS vs VUSB · Vanguard Ultra-Short Bond ETF 0.0%
- VMBS vs SPMB · State Street SPDR Portfolio Mortgage Backed Bond ETF 21.2%
- VMBS vs MBB · iShares MBS ETF 17.2%
- VMBS vs BND · Vanguard Total Bond Market Index Fund ETF Shares 15.5%
- VMBS vs SCHZ · Schwab U.S. Aggregate Bond ETF 10.9%
Percentages are holdings overlap with the named fund.
Open VGSH or VMBS at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.