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 ISTB
US aggregate bond comparison · BND 2026-03-31 · ISTB 2026-01-31
BND vs ISTB
VANGUARD TOTAL BOND MARKET INDEX FUND compared with iShares Core 1-5 Year USD Bond ETF
Most company exposure is different between these funds.BND has 14,446 companies outside the overlap; ISTB has 4,100.
ISTBbond
iShares Core 1-5 Year USD Bond ETF
7,027holdings
0.06%annual fee
USmarket
ValuationNot available for this holdings date
ISTB holdings and fund profile
Largest shared positions
2,915 companies held in both funds
BND weight
ISTB weight
| Shared company | BND | ISTB |
|---|---|---|
| United States Treasury | 0.35% | 1.00% |
| United States Treasury T | 0.31% | 0.60% |
| United States Treasury T | 0.31% | 0.92% |
| United States Treasury T | 0.48% | 0.31% |
| United States Treasury T | 0.29% | 0.73% |
| United States Treasury T | 0.26% | 0.40% |
| United States Treasury T | 0.24% | 0.71% |
| United States Treasury T | 0.24% | 0.32% |
| United States Treasury T | 0.24% | 0.64% |
| United States Treasury T | 0.24% | 0.71% |
| United States Treasury T | 0.24% | 1.12% |
| United States Treasury | 0.24% | 0.69% |
| United States Treasury T | 0.23% | 0.32% |
| United States Treasury T | 0.23% | 0.27% |
| United States Treasury T | 0.23% | 0.44% |
| United States Treasury | 0.23% | 0.54% |
| United States Treasury | 0.23% | 0.58% |
| United States Treasury T | 0.22% | 0.41% |
| United States Treasury T | 0.22% | 0.59% |
| United States Treasury T | 0.22% | 0.64% |
| United States Treasury | 0.22% | 0.53% |
| United States Treasury T | 0.22% | 0.81% |
| United States Treasury T | 0.22% | 0.55% |
| United States Treasury | 0.22% | 0.45% |
| United States Treasury T | 0.21% | 0.41% |
BND and ISTB questions
Based on the holdings compared above
How much do BND and ISTB overlap?
BND and ISTB overlap by 31.5% by weight, across 2915 shared companies.
Which companies do BND and ISTB 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 ISTB?
Holding both means 31.5% 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 ISTB cheaper?
BND has a 0.03% expense ratio and ISTB has 0.06%.
Compare your own portfolio
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