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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MBB vs SCHX: how they differ

MBB and SCHX hold 0% of their weight in the same names, and SCHX returned more over the year.

iShares MBS ETF and Schwab U.S. Large-Cap ETF.

What they hold in common

By the books each fund has filed, MBB and SCHX hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in MBBOnly in SCHX
Freddie Mac 1.07%NVIDIA Corp 7.51%
Government National Mortgage Association 0.97%Apple Inc 6.71%
UMBS, TBA 0.85%Microsoft Corp 4.89%
Government National Mortgage Association 0.69%Amazon.com Inc 3.87%
UMBS, TBA 0.66%Alphabet Inc 3.24%
Government National Mortgage Association 0.56%Broadcom Inc 3.10%
Government National Mortgage Association 0.55%Alphabet Inc 2.58%
Government National Mortgage Association 0.54%Meta Platforms Inc 2.02%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026.

MBB and SCHX on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
MBB
iShares MBS ETF
SCHX
Schwab U.S. Large-Cap ETF
Where it sitsCore index fundCore index fund
IssueriSharesSchwab
What it isMbsU.S. Large-Cap
Total return, 1 year−0.1%+16.8%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.6 pts−0.7 pts
Expense ratio0.04%0.03%
Holdings11144748

MBB in plain words

MBB is a bond fund tracking the Mbs. Over the year to Sep 11, 2026 it returned −0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year. It sat 3.3% below its high of Feb 27, 2026 on Sep 11, 2026.

SCHX in plain words

SCHX is an index equity fund tracking the U.S. Large-Cap. Over the year to Sep 11, 2026 it returned +16.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for May 31, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 748 positions, with the top ten at 37.3%.

Questions people ask

Which returned more over the last year, MBB or SCHX?
In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and SCHX returned +16.8%, so SCHX returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or SCHX?
MBB charges 0.04% a year and SCHX charges 0.03%, so SCHX is cheaper. Fees come from each fund's prospectus.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

MBB against SCHX, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MBB against SCHX, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-SCHX Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources