etf overlap · little overlap

iShares Russell 2000 ETF logoTechnology Select Sector SPDR logoIWM vs XLK overlap

IWM and XLK hold no company in common.

Holdings as of September 24, 2026 · source: iShares (IWM), SPDR (XLK)

overlapfull holdings, by weight
0.0%of each fund is money the other holds at the same weight, across 0 shared companies.
IWM
100%
XLK
100%
  • same money
  • same companies, extra weight
  • only in this fund
Overlap = the sum, over companies both funds hold, of the smaller of the two weights. Cash and derivatives excluded.
01Different

What only one of them gives you

only in IWM1,975 names
TWTWSTTWIST BIOSCIENCE0.40%
MOMOG-AMOOG INC CLASS A0.36%
HUHUTHUT CORP0.35%
FRFROGJFROG0.34%
UMUMBFUMB FINANCIAL0.33%
TXTXG10X GENOMICS CLASS A0.33%
VSVSATVIASAT INC0.31%
BTBTSGBRIGHTSPRING HEALTH SERVICES INC0.31%
only in XLK75 names
PALANTIR TECHNOLOGIES INC A logoPLTRPALANTIR TECHNOLOGIES INC A2.52%
02Sectors

Where each fund puts its money

sectorsIWM vs XLK, share of each fund
Information Technology13.72%99.93%
Health Care20.35%0.00%
Financials19.01%0.00%
Industrials14.05%0.00%
Consumer Discretionary8.77%0.00%
Energy6.76%0.00%
Real Estate5.68%0.00%
Materials4.21%0.00%
Utilities2.68%0.00%
Communication Services2.45%0.00%
Consumer Staples1.95%0.00%
03Questions

IWM and XLK: what people ask

questions4 answered

How much do IWM and XLK overlap?

0.0% by weight, as of September 24, 2026: little overlap. 0 companies appear in both funds; they make up 0.0% of IWM and 0.0% of XLK.

Which stocks do IWM and XLK both hold?

None. IWM and XLK have no holding in common.

Is it redundant to hold both IWM and XLK?

Out of every $100 split evenly between them, about $0 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 1,975 names only in IWM, 75 only in XLK. Whether that duplication is a problem depends on the mix you want; this is a description, not advice.

How is ETF overlap calculated here?

For every company held by both funds we take the smaller of its two weights and add them up. The weights come from the full holdings files iShares and SPDR publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold IWM and XLK?Import your positions and see what your funds hold together, company by company, with the fees you pay on each.Import my portfolio

Weights come from each issuer's published holdings file and are matched company by company on their ISIN. Cash, futures and currency positions are left out. This page describes what the funds hold; it is not investment advice.