Do VOO and QQQ hold the same companies?

At least 94% of QQQ is companies VOO already holds, led by NVIDIA, Apple, Micron Technology. We read 98% of QQQ's money in its SEC filing: the real share is at least this.

What does QQQ add to VOO?

Measured on $10,000 with $2,000 of QQQ added: more weight in Micron Technology, AMD, Intel, less in Eli Lilly, Berkshire Hathaway, JPMorgan Chase. Real bets go from 1.0 to 1.3.

What did holding QQQ as well do in Financial crisis, 2008?

$10,000 in VOO fell −55.3% (−$5,525); with $2,000 of QQQ added, the $12,000 fell −54.6% (−$6,548), measured on the same days.

← Folionomiq

SEC filings of the funds · daily prices since Mar 1999 · method →

VOO and QQQ together: how much of QQQ you already own

94% of QQQ is companies VOO already holds.

Measured on $10,000 in VOO, adding $2,000 of QQQ.

Check it with what you hold

Measured on 2026-09-25

The same companies

The largest ones both hold: NVIDIA, Apple, Micron Technology, Microsoft, AMD.

At least 94%: we read 98% of QQQ's money in its SEC filing, and 92% of VOO's.

What grows in your portfolio, and what shrinks

Grows

Micron Technology 2.0% → 2.6%
AMD 1.5% → 1.9%
Intel 1.0% → 1.4%
Walmart 0.8% → 1.0%
Applied Materials 0.9% → 1.2%

Shrinks

Eli Lilly 1.5% → 1.2%
Berkshire Hathaway 1.4% → 1.2%
JPMorgan Chase 1.3% → 1.0%

The companies' share of all your money, before and after adding $2,000 of QQQ, seen through the funds.

Real bets

Before: 1.0. After: 1.3. QQQ moves differently enough from what you hold to add a bet of its own.

The crises, in money

Crisis	$10,000 in VOO as it is	With $2,000 of QQQ ($12,000)
2022, rising rates	−24.5% (−$2,452)	−26.2% (−$3,145)
COVID, 2020	−34.0% (−$3,399)	−33.0% (−$3,958)
Late 2018	−19.5% (−$1,948)	−19.9% (−$2,392)
February 2018	−10.1% (−$1,009)	−10.1% (−$1,213)
China, August 2015	−12.8% (−$1,279)	−13.3% (−$1,595)
US downgrade, 2011	−18.5% (−$1,851)	−17.7% (−$2,121)
Financial crisis, 2008	−55.3% (−$5,525)	−54.6% (−$6,548)
Dot-com crash, 2000–02	−47.5% (−$4,752)	−55.5% (−$6,660)

Peak to trough inside each crisis, on the same days for both columns. Only crises the whole history covers are shown: the shared record starts Mar 1999, when the youngest fund began. With more money in, the loss in dollars can grow even when the percentage falls.

How much you add changes it

You add	Real bets	VOO's share of the risk	Fall in Financial crisis, 2008
$1,000 (10%)	1.4	89%	−54.9%
$2,500 (25%)	1.2	76%	−54.4%
$5,000 (50%)	1.1	59%	−54.1%

Each row measured on its own, on the same record as the rest of this page.

Questions people ask

Do VOO and QQQ hold the same companies?: At least 94% of QQQ is companies VOO already holds, led by NVIDIA, Apple, Micron Technology. We read 98% of QQQ's money in its SEC filing: the real share is at least this.
What does QQQ add to VOO?: Measured on $10,000 with $2,000 of QQQ added: more weight in Micron Technology, AMD, Intel, less in Eli Lilly, Berkshire Hathaway, JPMorgan Chase. Real bets go from 1.0 to 1.3.
What did holding QQQ as well do in Financial crisis, 2008?: $10,000 in VOO fell −55.3% (−$5,525); with $2,000 of QQQ added, the $12,000 fell −54.6% (−$6,548), measured on the same days.

What this does not say

Every figure is measured on past prices. It is not a forecast of returns or losses.
The overlap is measured through the holdings the funds file, and is a floor: the real figure is at least this.
Whether to add QQQ depends on things not measured here: costs at your broker, taxes, and the rest of your money. This page does not say whether to buy anything, and it is not advice.

Check it with what you hold

Your own amounts, your own funds: the same measurement, and nothing saved on our side.

Check it with what you hold

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Measured 1999-03-10 to 2026-09-25 in USD, from Yahoo Finance prices and the funds' own filings. Descriptive: this page reports what these funds have done and what they hold. It does not forecast returns or losses, it does not say what to buy, and it is not advice. How every figure is measured. Terms and privacy: /terms. If a figure looks wrong: [email protected].