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CWI vs IDEV: Differences, Returns & Fees

CWI and IDEV hold 61% of their weight in the same names, and CWI returned +17.8% over the year. Net assets: $2.9bn on Oct 8, 2026 for State Street SPDR MSCI ACWI ex-US ETF, and $33.1bn on Oct 9, 2026 for iShares Core MSCI International Developed Markets ETF.

IDEV costs 0.26 points a year less; their one-year returns differ by 3.3 points; IDEV is 11.4 times larger.

CWIIDEV
Expense ratio0.30%0.04%
Net assets, as of Oct 8, 2026$2.9bn$32.6bn
Total return, 1 year+17.8%+14.5%
What it tracksnot read by ETFIQMSCI World ex USA Investable Market Index
Holdings in common61%
Top ten holdings, share of the fund16.1%10.8%
Below its high3.9%, high on Sep 4, 20264.9%, high on Aug 25, 2026

Holdings in common uses holdings dated Oct 8, 2026.

+17.8%
CWI total return, 1 year
+14.5%
IDEV total return, 1 year
0.30%
CWI expense ratio
0.04%
IDEV expense ratio

What they hold in common

By the books each fund has filed, CWI and IDEV hold 61% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Oct 8, 2026.

half

61% in common

Positions both hold, largest shared weight first
Holding CWI IDEV
ASML HOLDING NV 2.00% 2.52%
HSBC HOLDINGS PLC 0.93% 1.11%
ROCHE HOLDING AG 0.85% 1.05%
ROYAL BANK OF CANADA 0.84% 0.93%
SHELL PLC 0.78% 1.02%
NOVARTIS AG REG 0.72% 0.92%
ASTRAZENECA PLC 0.65% 0.84%
NESTLE SA REG 0.65% 0.83%
SIEMENS AG REG 0.65% 0.76%
TORONTO DOMINION BANK 0.63% 0.67%
SAP SE 0.62% 0.75%
BHP GROUP LTD 0.60% 0.77%
Only in CWI
TAIWAN SEMICONDUCTOR MANUFAC 3.38%
SAMSUNG ELECTR GDR REG S 2.64%
TAIWAN SEMICONDUCTOR SP ADR 1.96%
SK HYNIX INC 1.88%
TENCENT HOLDINGS LTD 0.85%
MITSUBISHI UFJ FINANCIAL GRO 0.69%
ALIBABA GROUP HOLDING LTD 0.58%
MEDIATEK INC 0.52%
Only in IDEV
MITSUBISHI UFJ FINANCIAL GROUP 0.84%
SUMITOMO MITSUI FINANCIAL GROUP 0.54%
NOVO NORDISK CLASS B 0.43%
MUENCHENER RUECKVERSICHERUNGS-GESE 0.27%
INVESTOR CLASS B 0.25%
NORDEA BANK 0.20%
ATLAS COPCO CLASS A 0.18%
VOLVO CLASS B 0.17%

Check overlap with more funds →

On the same fields

CWI
State Street SPDR MSCI ACWI ex-US ETF
IDEV
iShares Core MSCI International Developed Markets ETF
Where it sits Stock ETF Stock ETF
Issuer State Street iShares
What it is Tracks an index Tracks the MSCI International Developed Markets
Total return, 1 year +17.8% +14.5%
S&P 500 over the same days +17.3% +17.3%
Gap to the S&P 500 +0.6 pts −2.7 pts
Expense ratio 0.30% 0.04%
Already in the S&P 500 0.0% 0.0%
Holdings 1110 2287
Net assets, CWI as of Oct 8, 2026 and IDEV as of Oct 9, 2026 $2.9bn $33.1bn

CWI and IDEV on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

CWI in plain words

CWI tracks an index. Over the year to Oct 9, 2026 it returned +17.8% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.30% a year. By its holdings published by its issuer for Oct 8, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,110 positions, with the top ten at 16.1%. It sat 3.9% below its high of Sep 4, 2026 on Oct 9, 2026.

IDEV in plain words

IDEV tracks the MSCI International Developed Markets. Over the year to Oct 9, 2026 it returned +14.5% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 8, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2,287 positions, with the top ten at 10.8%. It sat 4.9% below its high of Aug 25, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, CWI or IDEV?
In the year to Oct 9, 2026, with distributions reinvested, CWI returned +17.8% and IDEV +14.5%.
Which is cheaper, CWI or IDEV?
IDEV is cheaper, by 0.26 percentage points a year. That is about $26 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do CWI and IDEV overlap with the S&P 500?
By their latest filed holdings, 0% of CWI and 0% of IDEV by weight is stocks the S&P 500 already holds.
Other comparisons
CWI vs SPDWCWI vs IXUSCWI vs DFAICWI vs SCHFIDEV vs IDMOIDEV vs MFSIIDEV vs IMFLDMXF vs IDEV
CWI on its own →IDEV on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
CWI filings on SEC EDGAR ↗CWI prospectus with the expense ratio (SEC) ↗State Street website ↗IDEV filings on SEC EDGAR ↗IDEV prospectus with the expense ratio (SEC) ↗iShares page for IDEV ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, CWI against IDEV, data as of Oct 9, 2026. https://etfiq.com/compare/any/cwi-vs-idev

Open data

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