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Data as of Oct 28, 2026.

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HYG vs MBB: Differences, Returns & Fees

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On Aug 31, 2026 HYG's duration was 2.9 years and MBB's 5.7; MBB charges 0.04% to HYG's 0.49%.

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Net assets: $17.5bn on Oct 27, 2026 for iShares iBoxx $ High Yield Corporate Bond ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.

HYG on its own →MBB on its own →
At a glance
+1.3%
HYG total return, 1 year
−0.8%
MBB total return, 1 year
0.49%
HYG expense ratio
0.04%
MBB expense ratio

Pair scorecard

MBB costs 0.45 points a year less; their one-year returns differ by 2.1 points; MBB is 2.1 times larger.

HYG vs MBB: Differences, Returns & Fees
MeasureHYGMBB
Return
Total return, 1 year+1.3%−0.8%
Benchmark
What it tracksMarkit iBoxx USD Liquid High Yield IndexBloomberg U.S. MBS Index
Cost and size
Expense ratio0.49%0.04%
Net assets, as of Oct 23, 2026$16.6bn$35.5bn
Holdings
Holdings in common0%

Holdings in common uses holdings dated Aug 31, 2026. Method

What they share

0%

By the books each fund has filed, HYG and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first HYG MBB
Only in one fund ↓
Only in HYG
1261229 BC Ltd, due Apr 15, 2032 0.50%
Meridian Arc Holdco LLC, due Apr 30, 2031 0.45%
EchoStar Corp, due Nov 30, 2029 0.43%
PR RNO Property Owner 1 LLC, due May 1, 2031 0.34%
Quikrete Holdings Inc, due Mar 1, 2032 0.32%
Cloud Software Group LLC, due Mar 31, 2029 0.32%
Cloud Software Group LLC, due Sep 30, 2029 0.32%
Galaxy Helios Data Centers II LLC, due Aug 1, 2031 0.30%
Only in MBB
Ginnie Mae, due Sep 1, 2056 1.05%
Freddie Mac Pool, due May 1, 2051 0.98%
Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.85%
Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.70%
Ginnie Mae, due Sep 1, 2056 0.53%
Ginnie Mae II Pool, due Nov 20, 2054 0.51%
Ginnie Mae II Pool, due Oct 20, 2051 0.51%
Ginnie Mae II Pool, due Dec 20, 2051 0.50%
Check overlap with more funds →

Side by side

HYG iShares iBoxx $ High Yield Corporate Bond ETF MBB iShares MBS ETF
Where it sits Bond ETF Bond ETF
Issuer iShares iShares
What it is Tracks an index of US high yield bonds Tracks an index of mortgage-backed securities
Total return, 1 year +1.3% −0.8%
Its benchmark over the same days −1.2% (IUSB) −1.1% (SPMB)
Gap to its benchmark +2.5 pts vs IUSB +0.3 pts vs SPMB
Expense ratio 0.49% 0.04%
Holdings 1332 10813
Net assets, HYG as of Oct 27, 2026 and MBB as of Oct 28, 2026 $17.5bn $35.5bn

HYG and MBB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
HYG

HYG tracks an index of US high yield bonds. Over the year to Oct 28, 2026 it returned +1.3% with distributions reinvested, against −1.2% for its benchmark, the Bloomberg U.S. Universal Index. The prospectus expense ratio is 0.49% a year.

MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, HYG or MBB?
In the year to Oct 28, 2026, with distributions reinvested, HYG returned +1.3% and MBB −0.8%.
Which is cheaper, HYG or MBB?
MBB is cheaper, by 0.45 percentage points a year. That is about $45 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
HYG vs MINTHYG vs TIPHYG vs VBILHYG vs PFFMBB vs USHYJNK vs MBBMBB vs PMBSIEI vs MBB
Where to next
HYG on its own →MBB on its own →Hold both: look the portfolio through →Rankings →HYG dividend history →HYG holdings →MBB dividend history →MBB holdings →Standards and sources →
Sources and dates
HYG and MBB filings on SEC EDGAR ↗
HYG and MBB prospectus with the expense ratio (SEC) ↗
iShares page for HYG ↗
iShares page for MBB ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, HYG against MBB, data as of Oct 28, 2026. https://etfiq.com/compare/any/hyg-vs-mbb

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.