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IWR ETF Profile

IWR is a mid-cap U.S. equity ETF from IShares. Its largest disclosed positions include 066922519, GLW, and VRT, and the top three holdings account for 4.58% of portfolio weight shown here. On ETF Overlap Checker, it currently connects to 64 comparison pages.

Issuer

IShares

Asset Class

Equity

Holdings

808

Compare Pages

64

About IWR

The iShares Russell Mid-Cap ETF seeks to track the investment results of an index composed of mid-capitalization U.S. equities.

  • IWR has a broad holdings footprint, with 808 positions in the latest imported dataset.
  • The largest disclosed position is 066922519 at 2.98% of the portfolio.
  • The top three disclosed holdings make up 4.58% of the portfolio, and the top ten add up to 9.23%.
  • Sector labels are limited in the visible top holdings, so the biggest positions matter more than sector buckets here.
  • IWR currently appears in 64 active ETF comparison pages on this site.

Data And Coverage

Expense ratio
0.18%
AUM
$58B
Inception date
Jul 17, 2001
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 IWR with another ETF

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What Stands Out About IWR

01

Portfolio Shape

The disclosed top holdings suggest a broad portfolio rather than a narrow single-theme sleeve. 066922519, GLW, and VRT are the largest visible positions, but the top three holdings add up to only 4.58% and the top ten to 9.23%. 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

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

Holdings Concentration Snapshot

Concentration

Largest disclosed holding
2.98%
Top 3 holdings
4.58%
Top 10 holdings
9.23%
Total holdings
808

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

Top Holdings

These holdings help explain how IWR overlaps with other funds. The top ten disclosed positions represent 9.23% of the portfolio shown here.

Methodology
HoldingNameSectorWeight
066922519BlackRock Funds IIIN/A2.98%
GLWCorning, Inc.N/A0.84%
VRTVertiv Holdings Co.N/A0.76%
HWMHowmet Aerospace, Inc.N/A0.73%
WDCWestern Digital Corp.N/A0.73%
SNDKSandisk Corp.N/A0.72%
BNYBank of New York Mellon Corp. (The)N/A0.65%
PWRQuanta Services, Inc.N/A0.64%
VLOValero Energy Corp.N/A0.60%
CMICummins, Inc.N/A0.59%

Related Overlap Comparisons

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

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

Frequently Asked Questions About IWR

What kind of ETF is IWR?+
IWR is a mid-cap U.S. equity ETF.
What are the biggest holdings in IWR?+
IWR's largest disclosed positions currently include 066922519, GLW, and VRT. The single biggest visible holding is 066922519 at 2.98% of the portfolio.
Is IWR concentrated?+
Based on the visible top holdings, IWR's top three positions account for 4.58% of the portfolio and the top ten account for 9.23%. That gives a practical read on whether the fund looks broad or more top-heavy.
What kind of overlap should you expect from IWR?+
IWR 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 IWR with other ETFs?+
Use the comparison pages linked from this profile to see overlap score, shared holdings, and diversification differences. Popular comparisons for IWR on this site include VOO, VTI, and QQQ, and the fund currently appears in 64 active comparison pages.