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ETF Overlap Checker

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IWM ETF Profile

IWM is an equity ETF from IShares. Its largest disclosed positions include 066922519, 093712107, and CDE, and the top three holdings account for 15.9% of portfolio weight shown here. On ETF Overlap Checker, it currently connects to 64 comparison pages.

Issuer

IShares

Asset Class

Equity

Holdings

1944

Compare Pages

64

About IWM

iShares Trust - iShares Russell 2000 ETF is an exchange traded fund launched by BlackRock, Inc. It is managed by BlackRock Fund Advisors. The fund invests in public equity markets of the United States. It invests in stocks of companies operating across diversified sectors. The fund invests in growth and value stocks of small-cap companies. The fund seeks to track the performance of the Russell 2000 Index, by using representative sampling technique. iShares Trust - iShares Russell 2000 ETF was formed on May 22, 2000 and is domiciled in the United States.

  • IWM has a broad holdings footprint, with 1944 positions in the latest imported dataset.
  • The largest disclosed position is 066922519 at 14.24% of the portfolio.
  • The top three disclosed holdings make up 15.9% of the portfolio, and the top ten add up to 19.45%.
  • Sector labels are limited in the visible top holdings, so the biggest positions matter more than sector buckets here.
  • IWM currently appears in 64 active ETF comparison pages on this site.

Data And Coverage

Expense ratio
0.19%
AUM
$82B
Inception date
May 22, 2000
Holdings updated
Aug 13, 2026
Data source
Financial Modeling Prep

Review the methodology for the overlap formula and visit the ETF directory for the full set of indexed fund hubs.

Compare IWM with another ETF

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What Stands Out About IWM

01

Portfolio Shape

The disclosed top holdings suggest a broad portfolio rather than a narrow single-theme sleeve. 066922519, 093712107, and CDE are the largest visible positions, but the top three holdings add up to only 15.9% and the top ten to 19.45%. Sector labels are limited in the visible top holdings, so the concentration read is driven mainly by the largest names themselves.

02

What Kind Of Overlap To Expect

IWM should show moderate to meaningful overlap with ETFs built for similar core equity exposure, but more separation from narrow sector or international funds. The biggest shared drivers usually come from the same large holdings that dominate the top of the portfolio.

03

When Investors Compare It

On this site, investors often compare IWM with VOO, VTI, and QQQ. Those matchups usually answer a simple question: does adding this fund create a different sleeve, or does it mostly duplicate exposure you already own? IWM currently connects to 64 live comparison pages.

Holdings Concentration Snapshot

Concentration

Largest disclosed holding
14.24%
Top 3 holdings
15.9%
Top 10 holdings
19.45%
Total holdings
1944

These numbers help show whether IWM behaves more like a broad portfolio building block or a fund where the biggest positions dominate the ride.

Visible Sector Mix

Sector labels are limited in the visible top holdings for IWM, so the strongest signal here is still the size of the largest positions themselves.

Top Holdings

These holdings help explain how IWM overlaps with other funds. The top ten disclosed positions represent 19.45% of the portfolio shown here.

Methodology
HoldingNameSectorWeight
066922519BlackRock Funds IIIN/A14.24%
093712107Bloom Energy Corp.N/A1.01%
CDECoeur Mining, Inc.N/A0.65%
KYG3323L1005FabrinetN/A0.64%
NXTNextpower, Inc.N/A0.60%
ECHOEchoStar Corp.N/A0.54%
KYG254571055Credo Technology Group Holding Ltd.N/A0.52%
KTOSKratos Defense & Security Solutions, Inc.N/A0.43%
AEISAdvanced Energy Industries, Inc.N/A0.41%
STRLSterling Infrastructure, Inc.N/A0.41%

Related Overlap Comparisons

Use these pages to see whether adding IWM changes your exposure or mostly duplicates positions you already own.

IWM vs VOO->IWM vs VTI->IWM vs QQQ->IWM vs VGT->IWM vs SCHD->IWM vs VYM->IWM vs VXUS->IWM vs SPY->AGG vs IWM->BND vs IWM->DGRO vs IWM->DIA vs IWM->

Frequently Asked Questions About IWM

What kind of ETF is IWM?+
IWM is an equity ETF.
What are the biggest holdings in IWM?+
IWM's largest disclosed positions currently include 066922519, 093712107, and CDE. The single biggest visible holding is 066922519 at 14.24% of the portfolio.
Is IWM concentrated?+
Based on the visible top holdings, IWM's top three positions account for 15.9% of the portfolio and the top ten account for 19.45%. That gives a practical read on whether the fund looks broad or more top-heavy.
What kind of overlap should you expect from IWM?+
IWM should show moderate to meaningful overlap with ETFs built for similar core equity exposure, but more separation from narrow sector or international funds. The biggest shared drivers usually come from the same large holdings that dominate the top of the portfolio.
How can you compare IWM with other ETFs?+
Use the comparison pages linked from this profile to see overlap score, shared holdings, and diversification differences. Popular comparisons for IWM on this site include VOO, VTI, and QQQ, and the fund currently appears in 64 active comparison pages.