etf overlap · little overlap
VGT vs IWM overlap
4.4% of VGT and IWM is the same money, spread over 162 companies both funds hold.
Holdings as of August 31, 2026 · source: Vanguard (VGT), iShares (IWM)
- same money
- same companies, extra weight
- only in this fund
What only one of them gives you
Where each fund puts its money
VGT and IWM: what people ask
How much do VGT and IWM overlap?
4.4% by weight, as of August 31, 2026: little overlap. 162 companies appear in both funds; they make up 4.4% of VGT and 13% of IWM.
Which stocks do VGT and IWM both hold?
The largest shared positions are FROG, IDCC, SLAB, ZETA and QLYS. Ranked by the smaller of the two weights, which is the part you would own twice.
Is it redundant to hold both VGT and IWM?
Out of every $100 split evenly between them, about $4 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 156 names only in VGT, 1,813 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.
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.