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Data as of Oct 28, 2026.

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MBB vs VCSH: Differences, Returns & Fees

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MBB's duration was 5.7 years on Aug 31, 2026 and VCSH's 2.7 on May 31, 2026; VCSH charges 0.03% to MBB's 0.04%.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $43.9bn on Sep 30, 2026 for Vanguard Short-Term Corporate Bond ETF.

MBB on its own →VCSH on its own →
At a glance
−0.8%
MBB total return, 1 year
+1.3%
VCSH total return, 1 year
0.04%
MBB expense ratio
0.03%
VCSH expense ratio

Pair scorecard

VCSH costs 0.01 points a year less; their one-year returns differ by 2.1 points; VCSH is 1.2 times larger.

MBB vs VCSH: Differences, Returns & Fees
MeasureMBBVCSH
Return
Total return, 1 year−0.8%+1.3%
Benchmark
What it tracksBloomberg U.S. MBS IndexBloomberg U.S. 1-5 Year Corporate Bond Index
Cost and size
Expense ratio0.04%0.03%
Net assets, as of Sep 30, 2026$36.2bn$43.9bn
Holdings
Holdings in common0%

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

What they share

0%

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

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB VCSH
Only in one fund ↓
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%
Only in VCSH
US TREASURY N/B, due May 31, 2028 0.83%
BANK OF AMER CRP, due Dec 20, 2028 0.23%
ABBVIE INC, due Nov 21, 2029 0.21%
CVS HEALTH CORP, due Mar 25, 2028 0.20%
T-MOBILE USA INC, due Apr 15, 2030 0.19%
BOEING CO, due May 1, 2030 0.19%
WELLS FARGO CO, due Jul 25, 2029 0.18%
JPMORGAN CHASE, due Apr 23, 2032 0.18%
Check overlap with more funds →

Side by side

MBB iShares MBS ETF VCSH Vanguard Short-Term Corporate Bond ETF
Where it sits Bond ETF Bond ETF
Issuer iShares Vanguard
What it is Tracks an index of mortgage-backed securities Tracks an index of Short-Term Corporate Bond
Total return, 1 year −0.8% +1.3%
Its benchmark over the same days −1.1% (SPMB) +1.3% (SCHJ)
Gap to its benchmark +0.3 pts vs SPMB 0.0 pts vs SCHJ
Expense ratio 0.04% 0.03%
Holdings 10813 3064
Net assets, MBB as of Oct 28, 2026 and VCSH as of Sep 30, 2026 $35.5bn $43.9bn

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

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About each fund
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.

VCSH

VCSH tracks an index of Short-Term Corporate Bond. Over the year to Oct 28, 2026 it returned +1.3% with distributions reinvested, against +1.3% for its benchmark, the Bloomberg U.S. 1-5 Year Corporate Bond Index. The prospectus expense ratio is 0.03% a year.

Questions people ask

Which returned more over the last year, MBB or VCSH?
In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and VCSH +1.3%.
Which is cheaper, MBB or VCSH?
VCSH is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
BSV vs MBBIGSB vs MBBMBB vs SPSBMBB vs VCLTBOXX vs VCSHPFF vs VCSHVCSH vs VGLTVCSH vs VUSB
Where to next
MBB on its own →VCSH on its own →Hold both: look the portfolio through →Rankings →MBB dividend history →MBB holdings →VCSH dividend history →VCSH holdings →Standards and sources →
Sources and dates
MBB filings on SEC EDGAR ↗
MBB prospectus with the expense ratio (SEC) ↗
iShares page for MBB ↗
VCSH filings on SEC EDGAR ↗
VCSH prospectus with the expense ratio (SEC) ↗
Vanguard page for VCSH ↗

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

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