etf overlap · little overlap

SPDR Dow Jones Industrial Average ETF logoiShares Russell 2000 ETF logoDIA vs IWM overlap

DIA and IWM hold no company in common.

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

overlapfull holdings, by weight
0.0%of each fund is money the other holds at the same weight, across 0 shared companies.
DIA
100%
IWM
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 DIA30 names
GOLDMAN SACHS GROUP INC logoGSGOLDMAN SACHS GROUP INC10.68%
CATERPILLAR INC logoCATCATERPILLAR INC9.32%
MICROSOFT CORP logoMSFTMICROSOFT CORP5.76%
AMGEN INC logoAMGNAMGEN INC4.70%
UNITEDHEALTH GROUP INC logoUNHUNITEDHEALTH GROUP INC4.34%
VISA INC CLASS A SHARES logoVVISA INC CLASS A SHARES4.26%
TRAVELERS COS INC/THE logoTRVTRAVELERS COS INC/THE4.19%
ALPHABET INC CL A logoGOOGLALPHABET INC CL A3.96%
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%
02Sectors

Where each fund puts its money

sectorsDIA vs IWM, share of each fund
Financials26.59%19.01%
Health Care13.88%20.35%
Information Technology18.87%13.72%
Industrials15.98%14.05%
Consumer Discretionary9.43%8.77%
Energy2.38%6.76%
Materials3.71%4.21%
Communication Services5.18%2.45%
Consumer Staples3.95%1.95%
Real Estate0.00%5.68%
Utilities0.00%2.68%
03Questions

DIA and IWM: what people ask

questions4 answered

How much do DIA and IWM overlap?

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

Which stocks do DIA and IWM both hold?

None. DIA and IWM have no holding in common.

Is it redundant to hold both DIA and IWM?

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: 30 names only in DIA, 1,975 only in IWM. 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 SPDR and iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold DIA and IWM?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.