Which returned more over the last year, IUSB or MDY?

In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and MDY +12.8%.

Which is cheaper, IUSB or MDY?

IUSB is cheaper, by 0.17 percentage points a year. That is about $17 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

IUSB vs MDY: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IUSB returned −1.2% to MDY's +12.8%; 0% of their weight is in the same names.

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Net assets on Oct 27, 2026: $49.8bn for iShares Core Universal USD Bond ETF and $25.9bn for SPDR S&P MidCap 400 ETF Trust.

IUSB on its own →MDY on its own →

At a glance

−1.2%

IUSB total return, 1 year

+12.8%

MDY total return, 1 year

0.06%

IUSB expense ratio

0.23%

MDY expense ratio

Pair scorecard

IUSB costs 0.17 points a year less; their one-year returns differ by 14.0 points; IUSB is 1.9 times larger.

IUSB vs MDY: Differences, Returns & Fees
Measure	IUSB	MDY
Return
Measure	IUSB	MDY
Total return, 1 year	−1.2%	+12.8%
Drawdown
Measure	IUSB	MDY
Below its high		6.5%, high on Aug 14, 2026
Benchmark
Measure	IUSB	MDY
What it tracks	Bloomberg U.S. Universal Index	S&P MidCap 400 Index
Cost and size
Measure	IUSB	MDY
Expense ratio	0.06%	0.23%
Net assets, as of Oct 27, 2026	$49.8bn	$25.9bn
Holdings
Measure	IUSB	MDY
Holdings in common	0%
In the S&P 500, by weight		0%
Top ten holdings, share of the fund		7.5%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, IUSB and MDY hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IUSB MDY

Only in one fund ↓

Only in IUSB

BLK Liquidity Temp Cash Inst #21 4.75%

TREASURY NOTE 0.49%

TREASURY NOTE 0.42%

TREASURY NOTE 0.41%

TREASURY NOTE 0.38%

TREASURY NOTE 0.37%

TREASURY NOTE (2OLD) 0.36%

UMBS 15YR TBA(REG B) 0.35%

Only in MDY

Okta Inc. Class A 1.09%

U.S. Dollar 0.96%

TechnipFMC plc 0.81%

United Therapeutics Corporation 0.73%

Entegris Inc. 0.66%

ATI Inc 0.66%

US Foods Holding Corp. 0.64%

Reliance Inc. 0.64%

Check overlap with more funds →

Side by side

IUSB iShares Core Universal USD Bond ETF MDY SPDR S&P MidCap 400 ETF Trust

Where it sits Bond ETF Stock ETF

Issuer iShares State Street

What it is Tracks an index of Universal USD Bond Tracks the S&P MidCap 400

Total return, 1 year −1.2% +12.8%

Its benchmark over the same days not measured +13.2% (IJH)

Gap to its benchmark not measured −0.4 pts vs IJH

Expense ratio 0.06% 0.23%

Holdings 18338 401

Net assets, as of Oct 27, 2026 $49.8bn $25.9bn

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

Alert

About each fund

IUSB

IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.

MDY

MDY tracks the S&P MidCap 400. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested, against +13.2% for its benchmark, the S&P MidCap 400 Index. The prospectus expense ratio is 0.23% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 401 positions, with the top ten at 7.5%. It sat 6.5% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, IUSB or MDY?: In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and MDY +12.8%.
Which is cheaper, IUSB or MDY?: IUSB is cheaper, by 0.17 percentage points a year. That is about $17 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

IUSB vs VO IUSB vs VXF IUSB vs MOAT IJH vs IUSB BOND vs MDY MDY vs SGOV MDY vs TIP MDY vs VBIL

Where to next

IUSB on its own →MDY on its own →Hold both: look the portfolio through →Rankings →IUSB dividend history →IUSB holdings →MDY dividend history →MDY holdings →Standards and sources →

Sources and dates

IUSB filings on SEC EDGAR ↗

IUSB prospectus with the expense ratio (SEC) ↗

iShares page for IUSB ↗

MDY filings on SEC EDGAR ↗

State Street website ↗

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, IUSB against MDY, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-mdy

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