Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWM vs VOX: how they differ
IWM and VOX hold 0% of their weight in the same names, and IWM returned more over the year.
iShares Russell 2000 ETF and Vanguard Communication Services Index Fund.
What they hold in common
By the books each fund has filed, IWM and VOX hold 0% of their money in the same securities at the same weight.
| Only in IWM | Only in VOX |
|---|---|
| MOOG INC CLASS A 0.34% | Meta Platforms Inc 21.12% |
| UMB FINANCIAL 0.34% | Alphabet Inc 16.14% |
| CYTOKINETICS 0.32% | Alphabet Inc 10.61% |
| GLAUKOS 0.32% | Netflix Inc 4.77% |
| JFROG 0.32% | Verizon Communications Inc 4.17% |
| BRIGHTSPRING HEALTH SERVICES INC 0.31% | Walt Disney Co/The 3.96% |
| BRINKER INTERNATIONAL INC 0.31% | AT&T Inc 3.69% |
| FIRSTCASH HOLDINGS INC 0.31% | Warner Bros Discovery Inc 2.74% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Sep 10, 2026.
| IWM iShares Russell 2000 ETF | VOX Vanguard Communication Services Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Russell 2000 | Communication Services |
| Total return, 1 year | +21.2% | +2.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +3.7 pts | −14.6 pts |
| Expense ratio | 0.19% | 0.09% |
| Already in the S&P 500 | 0.0% | 84.5% |
| Holdings | 1749 | 114 |
IWM in plain words
IWM is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.19% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1749 positions, with the top ten at 3.2%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.
VOX in plain words
VOX is an index equity fund tracking the Communication Services. Over the year to Sep 11, 2026 it returned +2.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for May 31, 2026, 84% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 72.1%. It sat 4.3% below its high of Jan 29, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IWM or VOX?
- In the year to Sep 13, 2026, with distributions reinvested, IWM returned +21.2% and VOX returned +2.9%, so IWM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWM or VOX?
- IWM charges 0.19% a year and VOX charges 0.09%, so VOX is cheaper. Fees come from each fund's prospectus.
- How much do IWM and VOX overlap with the S&P 500?
- By their latest filed holdings, 0% of IWM and 84% of VOX by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
Other comparisons
Where to next
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IWM against VOX, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwm-vs-vox Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources