ETF comparison
BNDX vs IAGG
Both International Bond.
Vanguard Total International Bond Index Fund · iShares Core International Aggregate Bond ETF
Holdings overlap
4,173 positions appear in both funds. Buying equal dollars of BNDX and IAGG would leave roughly 48.8% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
Expense ratios are effectively identical (0.070% vs 0.070%).
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with BNDX vs IAGG.
Top shared holdings
4,173 shared in total| # | Holding | In BNDX | In IAGG | Overlap |
|---|---|---|---|---|
| 1 | Bundesobligation | 0.24% | 0.35% | 0.24% |
| 2 | United Kingdom Gilt | 0.23% | 0.31% | 0.23% |
| 3 | French Republic Government Bond OAT | 0.23% | 0.22% | 0.22% |
| 4 | French Republic Government Bond OAT | 0.28% | 0.22% | 0.22% |
| 5 | French Republic Government Bond OAT | 0.23% | 0.20% | 0.20% |
| 6 | French Republic Government Bond OAT | 0.24% | 0.20% | 0.20% |
| 7 | Bundesrepublik Deutschland Bundesanleihe | 0.20% | 0.19% | 0.19% |
| 8 | French Republic Government Bond OAT | 0.23% | 0.19% | 0.19% |
| 9 | United Kingdom Gilt | 0.19% | 0.19% | 0.19% |
| 10 | French Republic Government Bond OAT | 0.25% | 0.18% | 0.18% |
| 11 | French Republic Government Bond OAT | 0.29% | 0.17% | 0.17% |
| 12 | French Republic Government Bond OAT | 0.22% | 0.17% | 0.17% |
Only in BNDX
2,536 total- French Republic Government Bond OAT 0.18%
- Italy Buoni Poliennali Del Tesoro 0.14%
- Kingdom of Belgium Government Bond 0.11%
- Italy Buoni Poliennali Del Tesoro 0.11%
- Republic of Poland Government Bond 0.11%
- Netherlands Government Bond 0.10%
- Malaysia Government Bond 0.09%
- Kingdom of Belgium Government Bond 0.09%
- Bundesrepublik Deutschland Bundesanleihe 0.08%
- Japan Government Two Year Bond 0.08%
Only in IAGG
3,667 total- CHINA GOVERNMENT BOND 0.70%
- CHINA GOVERNMENT BOND 0.49%
- CHINA GOVERNMENT BOND 0.43%
- Bundesobligation 0.38%
- CHINA DEVELOPMENT BANK 0.29%
- CHINA DEVELOPMENT BANK 0.29%
- AGRICUL DEV BANK CHINA 0.19%
- AGRICUL DEV BANK CHINA 0.19%
- EXPORT-IMPORT BANK CHINA 0.18%
- U.K. Gilts 0.18%
Open BNDX or IAGG 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 methodology and 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.