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Data as of Oct 28, 2026.

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IDEV vs RSP: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IDEV returned +13.4% to RSP's +16.0%; 2% of their weight is in the same names.

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Net assets: $34.0bn on Oct 28, 2026 for iShares Core MSCI International Developed Markets ETF, and $99.8bn on Oct 27, 2026 for Invesco S&P 500 Equal Weight ETF.

IDEV on its own →RSP on its own →
At a glance
+13.4%
IDEV total return, 1 year
+16.0%
RSP total return, 1 year
0.04%
IDEV expense ratio
0.20%
RSP expense ratio

Pair scorecard

IDEV costs 0.16 points a year less; their one-year returns differ by 2.6 points; RSP is 3.0 times larger.

IDEV vs RSP: Differences, Returns & Fees
MeasureIDEVRSP
Return
Total return, 1 year+13.4%+16.0%
Drawdown
Below its high4.4%, high on Aug 25, 2026
Benchmark
What it tracksMSCI World ex USA Investable Market IndexS&P 500 Equal Weight Index
Cost and size
Expense ratio0.04%0.20%
Net assets, as of Oct 26, 2026$33.7bn$99.7bn
Holdings
Holdings in common2%
Top ten holdings, share of the fund10.9%2.7%

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

What they share

2%

By the books each fund has filed, IDEV and RSP hold 2% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

2% in common

Positions both hold · largest shared weight first IDEV RSP
ROCHE PS PAR AG 1.18% 0.22%
ESSILORLUXOTTICA SA 0.21% 0.22%
VINCI SA 0.20% 0.20%
DEUTSCHE TELEKOM N AG 0.33% 0.19%
TESCO PLC 0.16% 0.19%
LOBLAW COMPANIES LTD 0.10% 0.20%
PEMBINA PIPELINE 0.10% 0.20%
PRUDENTIAL PLC 0.10% 0.19%
ARISTOCRAT LEISURE 0.09% 0.20%
HELVETIA BALOISE HOLDING N AG 0.08% 0.19%
MERCK 0.07% 0.19%
BAWAG GROUP AG 0.05% 0.16%
Only in one fund ↓
Only in IDEV
ASML HOLDING 2.23%
SHELL 1.06%
HSBC HOLDINGS PLC 1.03%
NOVARTIS AG 1.00%
ROYAL BANK OF CANADA 0.98%
ASTRAZENECA PLC 0.90%
NESTLE SA 0.90%
SAP 0.85%
Only in RSP
Moderna Inc 0.30%
PTC Inc 0.30%
Everpure Inc 0.28%
Illumina Inc 0.27%
Accenture PLC 0.27%
Mettler-Toledo International Inc 0.26%
Revvity Inc 0.26%
Gartner Inc 0.26%
Check overlap with more funds →

Side by side

IDEV iShares Core MSCI International Developed Markets ETF RSP Invesco S&P 500 Equal Weight ETF
Where it sits Stock ETF Stock ETF
Issuer iShares Invesco
What it is Tracks the MSCI International Developed Markets Tracks the S&P 500 equal weight
Total return, 1 year +13.4% +16.0%
Its benchmark over the same days +14.3% (ACWX) +13.7% (IVV)
Gap to its benchmark −0.9 pts vs ACWX +2.3 pts vs IVV
Expense ratio 0.04% 0.20%
Already in the S&P 500 0.0% 99.8%
Holdings 2317 508
Net assets, IDEV as of Oct 28, 2026 and RSP as of Oct 27, 2026 $34.0bn $99.8bn

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

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About each fund
IDEV

IDEV tracks the MSCI International Developed Markets. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested, against +14.3% for its benchmark, the MSCI ACWI ex USA Index. The prospectus expense ratio is 0.04% 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 2,317 positions, with the top ten at 10.9%. It sat 4.4% below its high of Aug 25, 2026 on Oct 28, 2026.

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, IDEV or RSP?
In the year to Oct 28, 2026, with distributions reinvested, IDEV returned +13.4% and RSP +16.0%.
Which is cheaper, IDEV or RSP?
IDEV is cheaper, by 0.16 percentage points a year. That is about $16 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IDEV and RSP overlap with the S&P 500?
By their latest filed holdings, 0% of IDEV and 100% of RSP by weight is stocks the S&P 500 already holds.
Other comparisons
IDEV vs NOBLIDEV vs VOEIDEV vs SDYDVY vs IDEVIXUS vs RSPRSP vs VEURSP vs SCHFRSP vs VXUS
Where to next
IDEV on its own →RSP on its own →Hold both: look the portfolio through →Rankings →IDEV dividend history →IDEV holdings →RSP dividend history →RSP holdings →Standards and sources →
Sources and dates
IDEV filings on SEC EDGAR ↗
IDEV prospectus with the expense ratio (SEC) ↗
iShares page for IDEV ↗
RSP filings on SEC EDGAR ↗
RSP prospectus with the expense ratio (SEC) ↗
Invesco 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.

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ETFIQ, IDEV against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/idev-vs-rsp

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