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ETF comparison

SPAB vs VCRB

Both US Aggregate Bond.

State Street SPDR Portfolio Aggregate Bond ETF · Vanguard Core Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
15.8 %

1,184 positions appear in both funds. Buying equal dollars of SPAB and VCRB would leave roughly 15.8% of each dollar exposed to the same underlying securities.

SPAB unmatched 82.5% Shared 15.8% VCRB unmatched 88.0%

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.

In SPAB only
7,101 positions
Shared
1,184 positions
In VCRB only
2,230 positions

Side by side

SPAB

State Street SPDR Portfolio Aggregate Bond ETF

State Street · US Aggregate Bond

89 composite / 100
Expense ratio
0.030%
Net assets
$9.90B
TTM yield
4.22%
Top-10 conc.
4.4%
VCRB

Vanguard Core Bond ETF

Vanguard · US Aggregate Bond

85 composite / 100
Expense ratio
0.10%
Net assets
$7.56B
TTM yield
4.80%
Top-10 conc.
8.7%

Sub-score comparison

97
Cost
90
52
Tax efficiency
51
100
Liquidity
95
100
Concentration
100
—
Tracking quality
—
SPAB sub-score VCRB

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

SPAB is 7 bps cheaper than VCRB. On a $100,000 position that's about $70/yr more in fees for VCRB.

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 SPAB vs VCRB.

Top shared holdings

1,184 shared in total
# Holding In SPAB In VCRB Overlap
1 United States Treasury 0.37% 0.51% 0.37%
2 United States Treasury 0.37% 0.52% 0.37%
3 United States Treasury 0.36% 0.41% 0.36%
4 Government National Mortgage Association 0.28% 0.56% 0.28%
5 United States Treasury 0.34% 0.27% 0.27%
6 UMBS, TBA 0.27% 2.33% 0.27%
7 United States Treasury 0.23% 0.54% 0.23%
8 UMBS, TBA 0.23% 0.68% 0.23%
9 United States Treasury 0.21% 0.34% 0.21%
10 United States Treasury 0.21% 0.53% 0.21%
11 United States Treasury 0.19% 0.49% 0.19%
12 United States Treasury 0.18% 1.02% 0.18%

Only in SPAB

7,101 total
  • United States Treasury 0.79%
  • United States Treasury 0.44%
  • United States Treasury 0.43%
  • United States Treasury 0.42%
  • United States Treasury 0.40%
  • United States Treasury 0.40%
  • United States Treasury 0.39%
  • United States Treasury 0.38%
  • United States Treasury 0.37%
  • United States Treasury 0.37%

Only in VCRB

2,230 total
  • NVIDIA Corp 0.97%
  • NVIDIA Corp 0.75%
  • Fannie Mae REMICS 0.59%
  • OBX 2026-INV2 Trust 0.57%
  • Finland Government International Bond 0.54%
  • OBX 2026-INV4 Trust 0.47%
  • United States Treasury Note/Bond 0.43%
  • Italy Buoni Poliennali Del Tesoro 0.34%
  • Cassa Depositi e Prestiti SpA 0.33%
  • EFMT 2026-AE4 0.32%

Percentages are holdings overlap with the named fund.

Open SPAB or VCRB 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.