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ETF comparison

SCHZ vs VMBS

Both US Aggregate Bond.

Schwab U.S. Aggregate Bond ETF · Vanguard Mortgage-Backed Securities Index Fund ETF Shares

Holdings overlap

Weighted by ISIN/CUSIP
10.9 %

929 positions appear in both funds. Buying equal dollars of SCHZ and VMBS would leave roughly 10.9% of each dollar exposed to the same underlying securities.

SCHZ only 87.8% Shared 10.9% VMBS only 87.8%
In SCHZ only
11,153 positions
Shared
929 positions
In VMBS only
4,083 positions

Side by side

SCHZ

Schwab U.S. Aggregate Bond ETF

Schwab · US Aggregate Bond

89 composite / 100
Expense ratio
0.030%
Net assets
$10.60B
TTM yield
4.16%
Top-10 conc.
5.4%
VMBS

Vanguard Mortgage-Backed Securities Index Fund ETF Shares

Vanguard · US Aggregate Bond

89 composite / 100
Expense ratio
0.030%
Net assets
$17.34B
TTM yield
4.20%
Top-10 conc.
7.5%

Sub-score comparison

97
Cost
97
52
Tax efficiency
52
100
Liquidity
100
100
Concentration
100
—
Tracking quality
—
SCHZ sub-score VMBS

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 SCHZ vs VMBS.

Top shared holdings

929 shared in total
# Holding In SCHZ In VMBS Overlap
1 UMBS, TBA 0.28% 0.15% 0.15%
2 Freddie Mac 0.12% 0.25% 0.12%
3 Freddie Mac 0.11% 0.27% 0.11%
4 Freddie Mac 0.10% 0.21% 0.10%
5 Freddie Mac 0.10% 0.16% 0.10%
6 Government National Mortgage Association 0.09% 0.11% 0.09%
7 Freddie Mac 0.09% 0.22% 0.09%
8 Freddie Mac 0.09% 0.21% 0.09%
9 Fannie Mae 0.08% 0.16% 0.08%
10 Fannie Mae 0.08% 0.24% 0.08%
11 Freddie Mac 0.08% 0.15% 0.08%
12 Fannie Mae 0.08% 0.10% 0.08%

Only in SCHZ

11,153 total
  • United States Treasury 0.44%
  • United States Treasury 0.39%
  • United States Treasury 0.38%
  • United States Treasury 0.38%
  • United States Treasury 0.38%
  • United States Treasury 0.38%
  • United States Treasury 0.38%
  • United States Treasury 0.37%
  • United States Treasury 0.36%
  • United States Treasury 0.36%

Only in VMBS

4,083 total
  • Ginnie Mae II Pool 0.44%
  • Fannie Mae or Freddie Mac 0.43%
  • Fannie Mae or Freddie Mac 0.34%
  • Fannie Mae or Freddie Mac 0.32%
  • Freddie Mac Pool 0.29%
  • Fannie Mae or Freddie Mac 0.26%
  • Fannie Mae or Freddie Mac 0.22%
  • Fannie Mae Pool 0.21%
  • Fannie Mae or Freddie Mac 0.20%
  • Freddie Mac Pool 0.19%

Open SCHZ or VMBS at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

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.