BNDUS aggregate bond
VANGUARD TOTAL BOND MARKET INDEX FUND
17,368holdings
0.03%annual fee
USmarket
ValuationNot available for this holdings date
BND holdings and fund profile
ETF comparisons / BND vs SPAB
US aggregate bond comparison · Holdings dated 2026-03-31
BND vs SPAB
VANGUARD TOTAL BOND MARKET INDEX FUND compared with State Street SPDR Portfolio Aggregate Bond ETF
The funds share a substantial core but differ outside it.BND has 10,741 companies outside the overlap; SPAB has 1,708.
SPABbond
State Street SPDR Portfolio Aggregate Bond ETF
8,343holdings
0.03%annual fee
USmarket
ValuationNot available for this holdings date
SPAB holdings and fund profile
Largest shared positions
6,620 companies held in both funds
BND weight
SPAB weight
| Shared company | BND | SPAB |
|---|---|---|
| United States Treasury T | 0.48% | 0.42% |
| United States Treasury T | 0.42% | 0.37% |
| United States Treasury T | 0.39% | 0.36% |
| United States Treasury T | 0.41% | 0.35% |
| United States Treasury T | 0.37% | 0.35% |
| United States Treasury T | 0.41% | 0.35% |
| United States Treasury T | 0.42% | 0.35% |
| United States Treasury T | 0.42% | 0.33% |
| United States Treasury T | 0.36% | 0.32% |
| United States Treasury T | 0.40% | 0.32% |
| United States Treasury T | 0.42% | 0.29% |
| United States Treasury T | 0.32% | 0.28% |
| United States Treasury T | 0.33% | 0.27% |
| United States Treasury T | 0.35% | 0.27% |
| United States Treasury | 0.35% | 0.25% |
| United States Treasury T | 0.31% | 0.24% |
| United States Treasury T | 0.24% | 0.25% |
| United States Treasury T | 0.24% | 0.28% |
| United States Treasury T | 0.24% | 0.40% |
| United States Treasury T | 0.32% | 0.24% |
| United States Treasury T | 0.34% | 0.24% |
| United States Treasury T | 0.32% | 0.24% |
| United States Treasury T | 0.24% | 0.27% |
| United States Treasury | 0.24% | 0.23% |
| United States Treasury | 0.23% | 0.31% |
BND and SPAB questions
Based on the holdings compared above
How much do BND and SPAB overlap?
BND and SPAB overlap by 56.9% by weight, across 6620 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 56.9% 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%.
Compare your own portfolio
Open the analyzerSee the companies and duplicated exposure across every fund you hold.