Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
VOO vs XLK: how they differ
VOO and XLK hold 0% of their weight in the same names, and XLK returned more over the year.
Vanguard 500 Index Fund and State Street(R) Technology Select Sector SPDR(R) ETF.
What they hold in common
By the books each fund has filed, VOO and XLK hold 0% of their money in the same securities at the same weight.
| Only in VOO | Only in XLK |
|---|---|
| NVIDIA Corp 7.53% | NVIDIA CORP 14.31% |
| Apple Inc 6.61% | APPLE INC 12.98% |
| Microsoft Corp 4.31% | MICROSOFT CORP 9.90% |
| Amazon.com Inc 3.63% | BROADCOM INC 4.62% |
| Alphabet Inc 3.26% | ADVANCED MICRO DEVICES 4.23% |
| Broadcom Inc 2.78% | MICRON TECHNOLOGY INC 4.11% |
| Alphabet Inc 2.60% | INTEL CORP 3.27% |
| Micron Technology Inc 2.02% | CISCO SYSTEMS INC 2.80% |
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 Jun 30, 2026 and Sep 10, 2026.
| VOO Vanguard 500 Index Fund | XLK State Street(R) Technology Select Sector SPDR(R) ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | State Street |
| What it is | S&P 500 | Technology |
| Total return, 1 year | +17.6% | +39.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +0.1 pts | +21.7 pts |
| Expense ratio | 0.03% | 0.08% |
| Already in the S&P 500 | 100.0% | 100.0% |
| Holdings | 506 | 74 |
VOO in plain words
VOO is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
XLK in plain words
XLK is an index equity fund tracking the Technology. Over the year to Sep 11, 2026 it returned +39.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.08% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 74 positions, with the top ten at 61.2%. It sat 5.2% below its high of Jun 2, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, VOO or XLK?
- In the year to Sep 13, 2026, with distributions reinvested, VOO returned +17.6% and XLK returned +39.2%, so XLK returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, VOO or XLK?
- VOO charges 0.03% a year and XLK charges 0.08%, so VOO is cheaper. Fees come from each fund's prospectus.
- How much do VOO and XLK overlap with the S&P 500?
- By their latest filed holdings, 100% of VOO and 100% of XLK 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.
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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, VOO against XLK, data as of Sep 13, 2026. https://etfiq.com/compare/any/voo-vs-xlk Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources