IWM vs VTI: how much do they overlap?
iShares Russell 2000 ETF (IWM) · Vanguard Total Stock Market ETF (VTI)
overlap by weight · 1809 shared holdings
IWM: 1934 holdings (as of 2026-03-31) · VTI: 3503 holdings (as of 2026-03-31)
Low overlap
What this means
IWM and VTI hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in IWM | in VTI |
|---|---|---|---|
| Bloom Energy Corp. | BE | 1.01% | 0.06% |
| Fabrinet | FN | 0.64% | 0.03% |
| Nextpower, Inc. | NXT | 0.6% | 0.03% |
| EchoStar Corp. | ECHO | 0.54% | 0.02% |
| Credo Technology Group Holding Ltd. | CRDO | 0.52% | 0.02% |
| Kratos Defense & Security Solutions, Inc. | KTOS | 0.43% | 0.02% |
| Bridgebio Pharma, Inc. | BBIO | 0.4% | 0.02% |
| Advanced Energy Industries, Inc. | AEIS | 0.41% | 0.02% |
| Hecla Mining Co. | HL | 0.4% | 0.02% |
| Sterling Infrastructure, Inc. | STRL | 0.41% | 0.02% |
FAQ
How much do IWM and VTI overlap?
IWM and VTI have a 4.5% overlap by weight, sharing 1809 holdings (out of 1934 in IWM and 3503 in VTI), based on official issuer holdings as of 2026-03-31.
What does 4.5% overlap mean?
IWM and VTI hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do IWM and VTI both hold?
The largest shared positions are Bloom Energy Corp., Fabrinet, Nextpower, Inc., EchoStar Corp., Credo Technology Group Holding Ltd.. The full list of top shared holdings with weights in each fund is shown on this page.