Data as of Oct 28, 2026.

vsCompare their flowsaskIQ about these two fundsAsk the committee about these two funds
Across categories

HYMB vs MBB: Differences, Returns & Fees

Share
Share on XDownload as PDF

HYMB's duration was 7.3 years on Jun 30, 2026 and MBB's 5.7 on Aug 31, 2026; MBB charges 0.04% to HYMB's 0.35%.

askIQ about this page

askIQ about HYMB and MBB

Net assets: $3.8bn on Oct 27, 2026 for State Street SPDR Nuveen ICE High Yield Municipal Bond ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.

At a glance
−1.0%
HYMB total return, 1 year
−0.8%
MBB total return, 1 year
0.35%
HYMB expense ratio
0.04%
MBB expense ratio

Pair scorecard

MBB costs 0.31 points a year less; their one-year returns differ by 0.2 points; MBB is 9.4 times larger.

HYMB vs MBB: Differences, Returns & Fees
MeasureHYMBMBB
Return
Total return, 1 year−1.0%−0.8%
Drawdown
Below its high4.7%, high on Jul 2, 2026
Benchmark
What it tracksICE US Select High Yield Crossover Municipal IndexBloomberg U.S. MBS Index
Cost and size
Expense ratio0.35%0.04%
Net assets, as of Oct 26, 2026$3.8bn$35.6bn
Holdings
Holdings in common0%

Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method

What they share

0%

By the books each fund has filed, HYMB and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first HYMB MBB
Only in one fund ↓
Only in HYMB
PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2058 2.49%
PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2058 1.52%
BUCKEYE OH TOBACCO SETTLEMENT FING AUTH, due Jun 1, 2055 1.25%
PUERTO RICO CMWLTH, due Jul 1, 2041 0.63%
PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2053 0.61%
PUERTO RICO CMWLTH, due Jul 1, 2046 0.54%
NEW YORK ST LIBERTY DEV CORP LIBERTY REVENUE, due Nov 15, 2044 0.46%
MET PIER & EXPOSITION AUTH IL REVENUE, due Dec 15, 2042 0.43%
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

HYMB State Street SPDR Nuveen ICE High Yield Municipal Bond ETF MBB iShares MBS ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of Nuveen ICE High Yield Municipal Bond Tracks an index of mortgage-backed securities
Total return, 1 year −1.0% −0.8%
Its benchmark over the same days −1.4% (AGG) −1.1% (SPMB)
Gap to its benchmark +0.4 pts vs AGG +0.3 pts vs SPMB
Expense ratio 0.35% 0.04%
Holdings 2105 10813
Net assets, HYMB as of Oct 27, 2026 and MBB as of Oct 28, 2026 $3.8bn $35.5bn

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

Alert

HYMB and MBB flows, by email on Sundays.

One-click unsubscribe. See Privacy.

About each fund
HYMB

HYMB tracks an index of Nuveen ICE High Yield Municipal Bond. Over the year to Oct 28, 2026 it returned −1.0% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.35% a year. It sat 4.7% below its high of Jul 2, 2026 on Oct 28, 2026.

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, HYMB or MBB?
In the year to Oct 28, 2026, with distributions reinvested, HYMB returned −1.0% and MBB −0.8%.
Which is cheaper, HYMB or MBB?
MBB is cheaper, by 0.31 percentage points a year. That is about $31 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
Cite this pageCitation, APA and Markdown

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

Open data →

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