BND vs SPAB: fund overlap

ETF comparisons  /  BND vs SPAB

US aggregate bond comparison · Holdings dated 2026-06-30

BND vs SPAB

VANGUARD TOTAL BOND MARKET INDEX FUND compared with State Street(R) SPDR(R) Portfolio Aggregate Bond ETF

The funds share a substantial core but differ outside it.BND has 10,799 companies outside the overlap; SPAB has 1,688.
BNDUS aggregate bond

VANGUARD TOTAL BOND MARKET INDEX FUND

17,409holdings
0.03%annual fee
USmarket
ValuationNot available for this holdings date
BND holdings and fund profile
SPABbond

State Street(R) SPDR(R) Portfolio Aggregate Bond ETF

8,303holdings
0.03%annual fee
USmarket
ValuationNot available for this holdings date
SPAB holdings and fund profile

Price development

Both lines rebased to 0% over their shared dates

Largest shared positions

6,597 companies held in both funds

BND weight SPAB weight
Shared companyBND SPAB
United States Treasury T
0.47%
0.41%
United States Treasury T
0.41%
0.39%
United States Treasury T
0.39%
0.39%
United States Treasury T
0.41%
0.36%
United States Treasury T
0.39%
0.36%
United States Treasury T
0.41%
0.36%
United States Treasury T
0.41%
0.36%
United States Treasury Note/Bond T
0.41%
0.35%
United States Treasury T
0.40%
0.33%
United States Treasury T
0.36%
0.33%
United States Treasury T
0.41%
0.32%
United States Treasury T
0.36%
0.31%
United States Treasury T
0.32%
0.30%
United States Treasury T
0.29%
0.32%
United States Treasury T
0.32%
0.27%
United States Treasury T
0.32%
0.26%
United States Treasury Note/Bond T
0.25%
0.30%
United States Treasury TNOTE
0.34%
0.24%
United States Treasury Note/Bond T
0.24%
0.25%
United States Treasury T
0.24%
0.24%
United States Treasury T
0.23%
0.24%
United States Treasury
0.23%
0.30%
United States Treasury
0.23%
0.25%
United States Treasury T
0.34%
0.23%
United States Treasury T
0.32%
0.23%

BND and SPAB questions

Based on the holdings compared above

How much do BND and SPAB overlap?

BND and SPAB overlap by 58.2% by weight, across 6,597 shared companies.

Which companies do BND and SPAB both hold?

The largest companies held in both funds are United States Treasury, United States Treasury, United States Treasury, United States Treasury, United States Treasury.

Can I hold both BND and SPAB?

Holding both means 58.2% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.

Is BND or SPAB cheaper?

BND has a 0.03% expense ratio and SPAB has 0.03%.

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