etf overlap · little overlap

VYM vs IWM overlap

2.5% of VYM and IWM is the same money, spread over 191 companies both funds hold.

Holdings as of August 31, 2026 · source: Vanguard (VYM), iShares (IWM)

overlapfull holdings, by weight
2.5%of each fund is money the other holds at the same weight, across 191 shared companies.
VYM
97%
IWM
18%80%
  • 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.
01Shared

The companies you would own twice

held by bothtop 15 of 191
companyVYMIWM
UMUMBFUMB Financial Corp0.04%0.33%
SMSMSM Energy Co0.04%0.28%
ONONBOld National Bancorp/IN0.04%0.29%
JXJXNJackson Financial Inc0.03%0.26%
FCFCFSFirstCash Holdings Inc0.03%0.29%
TETEXTerex Corp0.03%0.22%
PBPBFPBF Energy Inc0.03%0.24%
VLVLYValley National Bancorp0.03%0.21%
UBUBSIUnited Bankshares Inc/WV0.03%0.21%
SWSWXSouthwest Gas Holdings Inc0.03%0.20%
GAGATXGATX Corp0.02%0.22%
MGMGYMagnolia Oil & Gas Corp0.02%0.19%
HWHWCHancock Whitney Corp0.02%0.20%
ESESNTEssent Group Ltd0.02%0.19%
GBGBCIGlacier Bancorp Inc0.02%0.20%
02Different

What only one of them gives you

only in VYM412 names
only in IWM1,784 names
TWTWSTTWIST BIOSCIENCE0.40%
MOMOG-AMOOG INC CLASS A0.36%
HUHUTHUT CORP0.35%
FRFROGJFROG0.34%
TXTXG10X GENOMICS CLASS A0.33%
VSVSATVIASAT INC0.31%
BTBTSGBRIGHTSPRING HEALTH SERVICES INC0.31%
KRKRYSKRYSTAL BIOTECH0.30%
03Sectors

Where each fund puts its money

sectorsVYM vs IWM, share of each fund
Health Care0.00%20.35%
Financials0.00%19.01%
Industrials0.00%14.05%
Information Technology0.00%13.72%
Consumer Discretionary0.00%8.77%
Energy0.00%6.76%
Real Estate0.00%5.68%
Materials0.00%4.21%
Utilities0.00%2.68%
Communication Services0.00%2.45%
Consumer Staples0.00%1.95%
Not classified99.61%0.00%
04Questions

VYM and IWM: what people ask

questions4 answered

How much do VYM and IWM overlap?

2.5% by weight, as of August 31, 2026: little overlap. 191 companies appear in both funds; they make up 2.5% of VYM and 20% of IWM.

Which stocks do VYM and IWM both hold?

The largest shared positions are UMBF, SM, ONB, JXN and FCFS. Ranked by the smaller of the two weights, which is the part you would own twice.

Is it redundant to hold both VYM and IWM?

Out of every $100 split evenly between them, about $3 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 412 names only in VYM, 1,784 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 Vanguard and iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold VYM 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.