Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
QQQ vs VO: how they differ
QQQ and VO hold 10% of their weight in the same names, and QQQ returned more over the year.
Invesco QQQ Trust and Vanguard Mid-Cap Index Fund.
What they hold in common
By the books each fund has filed, QQQ and VO hold 10% of their money in the same securities at the same weight.
| Holding | QQQ | VO |
|---|---|---|
| Seagate Technology Holdings PLC | 0.84% | 1.05% |
| Western Digital Corp. | 0.79% | 1.07% |
| Constellation Energy Corp. | 0.46% | 0.78% |
| Fortinet, Inc. | 0.45% | 0.46% |
| Datadog, Inc. | 0.36% | 0.84% |
| Monolithic Power Systems, Inc. | 0.34% | 0.63% |
| Ross Stores, Inc. | 0.33% | 0.67% |
| American Electric Power Co., Inc. | 0.30% | 0.36% |
| Warner Bros. Discovery, Inc. | 0.29% | 0.62% |
| DoorDash, Inc. | 0.29% | 0.66% |
| Cintas Corp. | 0.30% | 0.28% |
| Regeneron Pharmaceuticals, Inc. | 0.28% | 0.31% |
| Only in QQQ | Only in VO |
|---|---|
| NVIDIA Corp. 8.16% | Vertiv Holdings Co 1.23% |
| Apple Inc. 7.29% | Quanta Services Inc 1.05% |
| Microsoft Corp. 5.32% | Howmet Aerospace Inc 1.04% |
| Micron Technology, Inc. 4.80% | Cummins Inc 0.95% |
| Amazon.com, Inc. 4.62% | Bloom Energy Corp 0.79% |
| Advanced Micro Devices, Inc. 3.70% | Robinhood Markets Inc 0.77% |
| Alphabet Inc. 3.52% | Cloudflare Inc 0.76% |
| Tesla, Inc. 3.46% | Valero Energy Corp 0.75% |
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 May 31, 2026.
| QQQ Invesco QQQ Trust | VO Vanguard Mid-Cap Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Invesco | Vanguard |
| What it is | Nasdaq-100, book from QQQM | Mid-Cap |
| Total return, 1 year | +23.0% | +12.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.5 pts | −5.5 pts |
| Expense ratio | 0.18% | 0.03% |
| Already in the S&P 500 | 96.7% | 91.4% |
| Holdings | 101 | 282 |
QQQ in plain words
QQQ is an index equity fund tracking the Nasdaq-100. Over the year to Sep 11, 2026 it returned +23.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.18% a year. By its holdings filed for May 31, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 101 positions, with the top ten at 47.5%. It sat 4.1% below its high of Jun 2, 2026 on Sep 11, 2026.
VO in plain words
VO is an index equity fund tracking the Mid-Cap. Over the year to Sep 11, 2026 it returned +12.0% 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, 91% of the fund by weight is stocks the S&P 500 also holds, across 282 positions, with the top ten at 9.6%. It sat 4.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, QQQ or VO?
- In the year to Sep 12, 2026, with distributions reinvested, QQQ returned +23.0% and VO returned +12.0%, so QQQ returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, QQQ or VO?
- QQQ charges 0.18% a year and VO charges 0.03%, so VO is cheaper. Fees come from each fund's prospectus.
- How much do QQQ and VO overlap with the S&P 500?
- By their latest filed holdings, 97% of QQQ and 91% of VO by weight is stocks the S&P 500 already holds. Between the two funds, 10% 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, QQQ against VO, data as of Sep 12, 2026. https://etfiq.com/compare/any/QQQ-VO Free to use with attribution; the underlying files are at Open data.
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