Data as of Oct 28, 2026.

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IUSB vs RSP: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IUSB returned −1.2% to RSP's +16.0%; 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 $99.8bn for Invesco S&P 500 Equal Weight ETF.

At a glance
−1.2%
IUSB total return, 1 year
+16.0%
RSP total return, 1 year
0.06%
IUSB expense ratio
0.20%
RSP expense ratio

Pair scorecard

IUSB costs 0.14 points a year less; their one-year returns differ by 17.2 points; RSP is 2.0 times larger.

IUSB vs RSP: Differences, Returns & Fees
MeasureIUSBRSP
Return
Total return, 1 year−1.2%+16.0%
Benchmark
What it tracksBloomberg U.S. Universal IndexS&P 500 Equal Weight Index
Cost and size
Expense ratio0.06%0.20%
Net assets, as of Oct 27, 2026$49.8bn$99.8bn
Holdings
Holdings in common0%
In the S&P 500, by weight100%
Top ten holdings, share of the fund2.7%

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

What they share

0%

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

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IUSB RSP
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 RSP
Moderna Inc 0.30%
PTC Inc 0.30%
Everpure Inc 0.28%
Illumina Inc 0.27%
Accenture PLC 0.27%
Hasbro Inc 0.26%
Mettler-Toledo International Inc 0.26%
Revvity Inc 0.26%
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Side by side

IUSB iShares Core Universal USD Bond ETF RSP Invesco S&P 500 Equal Weight ETF
Where it sits Bond ETF Stock ETF
What it is Tracks an index of Universal USD Bond Tracks the S&P 500 equal weight
Total return, 1 year −1.2% +16.0%
Its benchmark over the same days not measured +13.7% (IVV)
Gap to its benchmark not measured +2.3 pts vs IVV
Expense ratio 0.06% 0.20%
Holdings 18338 508
Net assets, as of Oct 27, 2026 $49.8bn $99.8bn

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

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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.

RSP

RSP tracks the S&P 500 equal weight. Over the year to Oct 28, 2026 it returned +16.0% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 508 positions, with the top ten at 2.7%.

Questions people ask

Which returned more over the last year, IUSB or RSP?
In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and RSP +16.0%.
Which is cheaper, IUSB or RSP?
IUSB is cheaper, by 0.14 percentage points a year. That is about $14 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, IUSB against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-rsp

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