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FUND OVERLAP · LOOK-THROUGH

QQQ vs VOOG: how much do they really overlap?

QQQ (Invesco QQQ Trust, tracking the Nasdaq-100) and VOOG (Vanguard S&P 500 Growth ETF, tracking the S&P 500 Growth) overlap by roughly 68% by weight. 9 of QQQ's top 10 holdings also appear in VOOG. A 50/50 blend of the two behaves like about 28 equally-weighted bets (diversification grade C). In short, the two funds share most of their weight in the same names; the second fund adds only modest differentiation.

68%
weight overlap
9/10
of QQQ’s top 10 also in VOOG
C
50/50 blend grade
~28
real bets in a 50/50 blend
You think QQQ and VOOG are two funds. By weight they lean on the same names: both hold NVIDIA Corporation (NVDA)7.6% of QQQ and 14.3% of VOOG. Hold both and NVDA just becomes a bigger single bet, not a more diversified one.

The same companies, in both funds

These 19 holdings appear in both QQQ and VOOG. The weight columns show how much of each fund each name represents.

Holdingin QQQin VOOG
NVDA NVIDIA Corporation7.60%14.26%
AAPL Apple Inc.6.80%6.37%
MSFT Microsoft Corporation4.52%9.29%
AMZN Amazon.com, Inc.4.08%3.89%
GOOGL Alphabet Inc.3.20%6.15%
MU Micron Technology, Inc.5.75%3.04%
GOOG Alphabet Inc.2.98%4.89%
AVGO Broadcom Inc.2.82%5.89%
META Meta Platforms, Inc.2.66%3.84%
AMD Advanced Micro Devices, Inc.3.83%2.34%
TSLA Tesla, Inc.3.09%2.11%
LRCX Lam Research Corporation2.13%1.10%
NFLX Netflix, Inc.1.40%1.01%
AMAT Applied Materials, Inc.2.24%0.99%
PLTR Palantir Technologies Inc.1.17%0.99%

+ 4 more shared holdings.

Only in QQQ

Invesco QQQ TrustNasdaq-100. Its biggest holdings that VOOG doesn’t have:

INTC Intel Corporation2.90%
WMT Walmart Inc.2.54%
COST Costco Wholesale Corporation1.90%
TXN Texas Instruments Incorporated1.17%
LIN Linde plc1.08%
MRVL Marvell Technology, Inc.1.05%

Only in VOOG

Vanguard S&P 500 Growth ETFUS large-cap growth. Its biggest holdings that QQQ doesn’t have:

LLY Eli Lilly & Co.2.43%
BRK.B Berkshire Hathaway Inc. Class B2.42%
JPM JPMorgan Chase & Co.1.43%
CAT Caterpillar Inc.1.13%
JNJ Johnson & Johnson0.89%
V Visa Inc. Class A0.84%
MA Mastercard Inc. Class A0.75%
GEV GE Vernova LLC0.73%

So — heavily overlapping. Should you hold both?

QQQ and VOOG share most of their weight in the same names; the second fund adds only modest differentiation. If you already hold QQQ, adding VOOG mostly increases your bet on the names they share rather than spreading it — a 50/50 blend still behaves like only ~28 equal positions, with the top 10 alone at 52% and the Magnificent Seven at 43%.

Holdings as of — QQQ: Jun 26, 2026 (Invesco); VOOG: May 31, 2026 (Vanguard). Refreshed monthly. Overlap is measured across each fund’s largest holdings (top 50); the diffuse long tail barely moves the math.

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QQQ vs VOOG — FAQ

How much do QQQ and VOOG overlap?
QQQ and VOOG overlap by approximately 68% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 9 of QQQ's 10 largest holdings are also held by VOOG. They share 19 of their listed top holdings in total.
Is it redundant to hold both QQQ and VOOG?
Because they share most of their weight in the same names; the second fund adds only modest differentiation, holding both is largely redundant — you mostly duplicate the same megacaps and concentrate rather than diversify. A 50/50 blend has an effective 28 positions and a C diversification grade.
What does VOOG hold that QQQ doesn't?
VOOG's largest holdings that QQQ doesn't hold include LLY, BRK.B, JPM, CAT, JNJ. Its category is US large-cap growth, versus QQQ's Nasdaq-100.
Which is more concentrated, QQQ or VOOG?
QQQ's top 10 holdings are 63% of its listed weight; VOOG's are 67%. The more concentrated fund leans harder on its largest names.

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