ETF comparison
BNDX vs MBB
International Bond vs US Aggregate Bond.
Vanguard Total International Bond Index Fund ETF Shares · iShares MBS ETF
Holdings overlap
0 positions appear in both funds. Buying equal dollars of BNDX and MBB would leave roughly 0.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MBB is 3 bps cheaper than BNDX. On a $100,000 position that's about $30/yr more in fees for BNDX.
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 MBB.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in BNDX
6,818 total- United Kingdom Gilt 0.41%
- French Republic Government Bond OAT 0.37%
- French Republic Government Bond OAT 0.36%
- United Kingdom Gilt 0.36%
- United Kingdom Gilt 0.35%
- United Kingdom Gilt 0.34%
- French Republic Government Bond OAT 0.33%
- French Republic Government Bond OAT 0.33%
- Bundesrepublik Deutschland Bundesanleihe 0.30%
- United Kingdom Gilt 0.30%
Only in MBB
11,144 total- Freddie Mac 1.05%
- Government National Mortgage Association 0.95%
- UMBS, TBA 0.83%
- Government National Mortgage Association 0.67%
- UMBS, TBA 0.64%
- Government National Mortgage Association 0.55%
- Government National Mortgage Association 0.54%
- Government National Mortgage Association 0.53%
- Fannie Mae 0.52%
- Freddie Mac 0.50%
Related comparisons
More comparisons with BNDX
- BNDX vs MINT · PIMCO Enhanced Short Maturity Active Exchange-Traded Fund 0.0%
- BNDX vs MUB · iShares National Muni Bond ETF 0.0%
- BNDX vs MUNI · PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 0.0%
- BNDX vs NEAR · iShares Short Duration Bond Active ETF 0.0%
- BNDX vs NYF · iShares New York Muni Bond ETF 0.0%
- BNDX vs PAAA · PGIM AAA CLO ETF 0.0%
More comparisons with MBB
- MBB vs BSV · Vanguard Short-Term Bond Index Fund ETF Shares 0.0%
- MBB vs DFCF · Dimensional Core Fixed Income ETF 0.0%
- MBB vs FLOT · iShares Floating Rate Bond ETF 0.0%
- MBB vs GOVT · iShares U.S. Treasury Bond ETF 0.0%
- MBB vs GVI · iShares Intermediate Government/Credit Bond ETF 0.0%
- MBB vs ICSH · iShares Ultra Short Duration Bond Active ETF 0.0%
Percentages are holdings overlap with the named fund.
Open BNDX or MBB 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.