BNDX vs ISTB: Holdings Overlap
BNDXVanguard Total International Bond Index Fund
Vanguard · 6707 holdings · $83.0B · as of 2026-04-30
ISTBiShares Core 1-5 Year USD Bond ETF
iShares · 7059 holdings · $5.1B · as of 2026-04-30
How similar are BNDX and ISTB?
Vanguard Total International Bond Index Fund (BNDX, by Vanguard) holds 6707 positions; iShares Core 1-5 Year USD Bond ETF (ISTB, by iShares) holds 7059. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0BNDX holds 6707 · ISTB holds 7059
- Weight in Shared Holdings
- BNDX 0%·ISTB 0%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in BNDX
6707 of 6707 positions (98.8% of the fund) are not held by ISTB. Showing the top 30 by weight.
- French Republic Government Bonds OAT0.40%
- French Republic Government Bonds OAT0.39%
- U.K. Gilts0.38%
- U.K. Gilts0.37%
- U.K. Gilts0.36%
- U.K. Gilts0.33%
Only in ISTB
7059 of 7059 positions (98.6% of the fund) are not held by BNDX. Showing the top 30 by weight.
- U.S. Treasury Notes0.99%
- U.S. Treasury Notes0.98%
- U.S. Treasury Notes0.96%
- U.S. Treasury Notes0.91%
- U.S. Treasury Notes0.89%
- U.S. Treasury Notes0.86%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BNDX | +0.1% | +0.8% | +1.4% | +4.3% | +0.1% | +1.6% | 4.54% |
| ISTB | +0.3% | +1.0% | +3.0% | +5.0% | +1.9% | +2.3% | 4.27% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in BNDX vs ISTB →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do BNDX and ISTB overlap?
BNDX and ISTB overlap by 0.0% of portfolio weight. They share 0 holdings (BNDX holds 6707 positions and ISTB holds 7059), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BNDX and ISTB?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does BNDX own that ISTB doesn't?
6707 positions (98.8% of BNDX) are unique to BNDX, led by French Republic Government Bonds OAT, French Republic Government Bonds OAT and U.K. Gilts. In the other direction, 7059 positions (98.6% of ISTB) are unique to ISTB.