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IWB ETF Profile

IWB is an equity ETF from IShares. Its largest disclosed positions include NVDA, AAPL, and MSFT, and the top three holdings account for 17.49% of portfolio weight shown here. On ETF Overlap Checker, it currently connects to 64 comparison pages.

Issuer

IShares

Asset Class

Equity

Holdings

1007

Compare Pages

64

About IWB

The iShares Russell 1000 ETF is designed to mirror the financial returns generated by a market index, which consists of shares from both large and medium-sized American corporations.

  • IWB has a broad holdings footprint, with 1007 positions in the latest imported dataset.
  • The largest disclosed position is NVDA at 6.81% of the portfolio.
  • The top three disclosed holdings make up 17.49% of the portfolio, and the top ten add up to 33.58%.
  • Sector labels are limited in the visible top holdings, so the biggest positions matter more than sector buckets here.
  • IWB currently appears in 64 active ETF comparison pages on this site.

Data And Coverage

Expense ratio
0.15%
AUM
$50B
Inception date
May 15, 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 IWB with another ETF

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What Stands Out About IWB

01

Portfolio Shape

The disclosed top holdings suggest a broad portfolio rather than a narrow single-theme sleeve. NVDA, AAPL, and MSFT are the largest visible positions, but the top three holdings add up to only 17.49% and the top ten to 33.58%. 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

IWB 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 IWB 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? IWB currently connects to 64 live comparison pages.

Holdings Concentration Snapshot

Concentration

Largest disclosed holding
6.81%
Top 3 holdings
17.49%
Top 10 holdings
33.58%
Total holdings
1007

These numbers help show whether IWB 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 IWB, so the strongest signal here is still the size of the largest positions themselves.

Top Holdings

These holdings help explain how IWB overlaps with other funds. The top ten disclosed positions represent 33.58% of the portfolio shown here.

Methodology
HoldingNameSectorWeight
NVDANVIDIA CORPORATIONN/A6.81%
AAPLAPPLE INC.N/A6.10%
MSFTMICROSOFT CORPORATIONN/A4.58%
AMZNAMAZON.COM, INC.N/A3.33%
GOOGLALPHABET INC.N/A2.79%
AVGOBROADCOM INC.N/A2.39%
GOOGALPHABET INC.N/A2.27%
METAMETA PLATFORMS, INC.N/A2.08%
TSLATESLA, INC.N/A1.75%
BRK.BBERKSHIRE HATHAWAY INC.N/A1.47%

Related Overlap Comparisons

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

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

Frequently Asked Questions About IWB

What kind of ETF is IWB?+
IWB is an equity ETF.
What are the biggest holdings in IWB?+
IWB's largest disclosed positions currently include NVDA, AAPL, and MSFT. The single biggest visible holding is NVDA at 6.81% of the portfolio.
Is IWB concentrated?+
Based on the visible top holdings, IWB's top three positions account for 17.49% of the portfolio and the top ten account for 33.58%. That gives a practical read on whether the fund looks broad or more top-heavy.
What kind of overlap should you expect from IWB?+
IWB 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 IWB with other ETFs?+
Use the comparison pages linked from this profile to see overlap score, shared holdings, and diversification differences. Popular comparisons for IWB on this site include VOO, VTI, and QQQ, and the fund currently appears in 64 active comparison pages.