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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

KRE vs MBB: how they differ

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

State Street(R) SPDR(R) S&P(R) Regional Banking ETF and iShares MBS ETF.

What they hold in common

By the books each fund has filed, KRE and MBB 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 KREOnly in MBB
Pinnacle Financial Partners Inc 1.37%Freddie Mac 1.07%
Atlantic Union Bankshares Corp 1.37%Government National Mortgage Association 0.97%
UMB Financial Corp 1.37%UMBS, TBA 0.85%
Citizens Financial Group Inc 1.37%Government National Mortgage Association 0.69%
Glacier Bancorp Inc 1.36%UMBS, TBA 0.66%
Associated Banc-Corp 1.36%Government National Mortgage Association 0.56%
Cullen/Frost Bankers Inc 1.35%Government National Mortgage Association 0.55%
First Interstate BancSystem Inc 1.35%Government National Mortgage Association 0.54%

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 Jun 30, 2026 and May 31, 2026.

KRE and MBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
KRE
State Street(R) SPDR(R) S&P(R) Regional Banking ETF
MBB
iShares MBS ETF
Where it sitsCore index fundCore index fund
IssuerState StreetiShares
What it isSPDR S&P Regional BankingMbs
Total return, 1 year+16.1%−0.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−1.4 pts−17.6 pts
Expense ratio0.35%0.04%
Holdings16111144

KRE in plain words

KRE is an index equity fund tracking the SPDR S&P Regional Banking. Over the year to Sep 11, 2026 it returned +16.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings filed for Jun 30, 2026, 7% of the fund by weight is stocks the S&P 500 also holds, across 161 positions, with the top ten at 13.6%. It sat 5.2% below its high of Aug 14, 2026 on Sep 11, 2026.

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.

Questions people ask

Which returned more over the last year, KRE or MBB?
In the year to Sep 12, 2026, with distributions reinvested, KRE returned +16.1% and MBB returned −0.1%, so KRE returned more. One year is one year; the longer windows are in the table.
Which is cheaper, KRE or MBB?
KRE charges 0.35% a year and MBB charges 0.04%, so MBB 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.

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

A comparison is not a recommendation. Standards and sources