ETF comparison

SPABvsVCRB

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 roughly15.8%of each dollar exposed to the same underlying securities.

SPAB only 82.5%Shared 15.8%VCRB only 88.0%
In SPAB only
7,102 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

89composite / 100
Expense ratio
0.030%
Net assets
$10.22B
TTM yield
4.19%
Top-10 conc.
7.6%
VCRB

Vanguard Core Bond ETF

Vanguard · US Aggregate Bond

85composite / 100
Expense ratio
0.10%
Net assets
$7.71B
TTM yield
4.76%
Top-10 conc.
8.7%

Sub-score comparison

97
Cost
90
52
Tax efficiency
51
100
Liquidity
95
100
Concentration
100
Tracking quality
SPABsub-scoreVCRB

Tracking quality isn't part of the composite — seewhat we don't scorefor 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 thecost calculator pre-filled with SPAB vs VCRB.

Top shared holdings

1,184 shared in total
#HoldingIn SPABIn VCRBOverlap
1United States Treasury0.37%0.51%0.37%
2United States Treasury0.37%0.52%0.37%
3United States Treasury0.36%0.41%0.36%
4Government National Mortgage Association0.28%0.56%0.28%
5United States Treasury0.34%0.27%0.27%
6UMBS, TBA0.27%2.33%0.27%
7United States Treasury0.23%0.54%0.23%
8UMBS, TBA0.23%0.68%0.23%
9United States Treasury0.21%0.34%0.21%
10United States Treasury0.21%0.53%0.21%
11United States Treasury0.19%0.49%0.19%
12United States Treasury0.18%1.02%0.18%

Only in SPAB

7,102 total
  • United States Treasury0.79%
  • United States Treasury0.44%
  • United States Treasury0.43%
  • United States Treasury0.42%
  • United States Treasury0.40%
  • United States Treasury0.40%
  • United States Treasury0.39%
  • United States Treasury0.38%
  • United States Treasury0.37%
  • United States Treasury0.37%

Only in VCRB

2,230 total
  • NVIDIA Corp0.97%
  • NVIDIA Corp0.75%
  • Fannie Mae REMICS0.59%
  • OBX 2026-INV2 Trust0.57%
  • Finland Government International Bond0.54%
  • OBX 2026-INV4 Trust0.47%
  • United States Treasury Note/Bond0.43%
  • Italy Buoni Poliennali Del Tesoro0.34%
  • Cassa Depositi e Prestiti SpA0.33%
  • EFMT 2026-AE40.32%

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 methodologyand 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.