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Data as of Oct 28, 2026.

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IDEV vs IWC: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IDEV returned +13.4% to IWC's +16.5%; 1% 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 $1.2bn on Oct 27, 2026 for iShares Micro-Cap ETF.

IDEV on its own →IWC on its own →
At a glance
+13.4%
IDEV total return, 1 year
+16.5%
IWC total return, 1 year
0.04%
IDEV expense ratio
0.60%
IWC expense ratio

Pair scorecard

IDEV costs 0.56 points a year less; their one-year returns differ by 3.1 points; IDEV is far larger, $33.7bn against $1.2bn.

IDEV vs IWC: Differences, Returns & Fees
MeasureIDEVIWC
Return
Total return, 1 year+13.4%+16.5%
Drawdown
Below its high4.4%, high on Aug 25, 20269.5%, high on Aug 14, 2026
Benchmark
What it tracksMSCI World ex USA Investable Market IndexRussell Microcap Index
Cost and size
Expense ratio0.04%0.60%
Net assets, as of Oct 26, 2026$33.7bn$1.2bn
Holdings
Holdings in common1%
Top ten holdings, share of the fund10.9%5.9%

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

What they share

1%

By the books each fund has filed, IDEV and IWC hold 1% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

1% in common

Positions both hold · largest shared weight first IDEV IWC
ERSTE GROUP BANK AG 0.13% 0.09%
COMMERZBANK AG 0.09% 0.07%
BARRICK MINING 0.23% 0.06%
MAGNA INTERNATIONAL 0.06% 0.09%
3I GROUP FUND PLC 0.11% 0.05%
NN GROUP 0.08% 0.05%
ORION CLASS B 0.05% 0.09%
TELSTRA GROUP 0.05% 0.07%
CAPITALAND ASCENDAS REIT 0.02% 0.03%
INDRA SISTEMAS SA 0.02% 0.08%
LAND SECURITIES GROUP REIT PLC 0.02% 0.09%
STOCKLAND STAPLED UNITS LTD 0.02% 0.07%
Only in one fund ↓
Only in IDEV
ASML HOLDING 2.23%
ROCHE PS PAR AG 1.18%
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%
Only in IWC
CAREDX 0.88%
PENGUIN SOLUTIONS INC 0.73%
NURIX THERAPEUTICS 0.63%
SELLAS LIFE SCIENCES GROUP INC 0.60%
VIRIDIAN THERAPEUTICS ORS 0.59%
OUSTER 0.53%
INTERFACE 0.52%
STRIVE INC CLASS A 0.50%
Check overlap with more funds →

Side by side

IDEV iShares Core MSCI International Developed Markets ETF IWC iShares Micro-Cap ETF
Where it sits Stock ETF Stock ETF
Issuer iShares iShares
What it is Tracks the MSCI International Developed Markets Tracks the Russell Microcap
Total return, 1 year +13.4% +16.5%
Its benchmark over the same days +14.3% (ACWX) +13.3% (IWV)
Gap to its benchmark −0.9 pts vs ACWX +3.2 pts vs IWV
Expense ratio 0.04% 0.60%
Already in the S&P 500 0.0% 91.7%
Holdings 2317 1365
Net assets, IDEV as of Oct 28, 2026 and IWC as of Oct 27, 2026 $34.0bn $1.2bn

IDEV and IWC 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.

IWC

Over the year to Oct 28, 2026 it returned +16.5% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.

IWC tracks the Russell Microcap. The prospectus expense ratio is 0.60% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,365 positions, with the top ten at 5.9%. It sat 9.5% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, IDEV or IWC?
In the year to Oct 28, 2026, with distributions reinvested, IDEV returned +13.4% and IWC +16.5%.
Which is cheaper, IDEV or IWC?
IDEV is cheaper, by 0.56 percentage points a year. That is about $56 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IDEV and IWC overlap with the S&P 500?
By their latest filed holdings, 0% of IDEV and 92% of IWC by weight is stocks the S&P 500 already holds.
Other comparisons
IDEV vs IJTIDEV vs VBIDEV vs IJRIDEV vs VTWOIWC vs IXUSIWC vs VEUIWC vs SCHFIWC vs VXUS
Where to next
IDEV on its own →IWC on its own →Hold both: look the portfolio through →Rankings →IDEV dividend history →IDEV holdings →IWC dividend history →IWC holdings →Standards and sources →
Sources and dates
IDEV and IWC filings on SEC EDGAR ↗
IDEV prospectus with the expense ratio (SEC) ↗
iShares page for IDEV ↗
IWC prospectus with the expense ratio (SEC) ↗
iShares page for IWC ↗

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 IWC, data as of Oct 28, 2026. https://etfiq.com/compare/any/idev-vs-iwc

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