VOO vs VOOG: how much do they really overlap?
VOO (Vanguard S&P 500 ETF, tracking the S&P 500) and VOOG (Vanguard S&P 500 Growth ETF, tracking the S&P 500 Growth) overlap by roughly 86% by weight. 10 of VOO's top 10 holdings also appear in VOOG. A 50/50 blend of the two behaves like about 30 equally-weighted bets (diversification grade C). In short, the two funds hold nearly the same stocks in nearly the same proportions — owning both is largely redundant.
The same companies, in both funds
These 36 holdings appear in both VOO and VOOG. The weight columns show how much of each fund each name represents.
| Holding | in VOO | in VOOG |
|---|---|---|
| NVDA NVIDIA Corp. | 7.89% | 14.26% |
| AAPL Apple Inc. | 7.05% | 6.37% |
| MSFT Microsoft Corp. | 5.14% | 9.29% |
| AMZN Amazon.com Inc. | 4.07% | 3.89% |
| GOOGL Alphabet Inc. Class A | 3.41% | 6.15% |
| AVGO Broadcom Inc. | 3.26% | 5.89% |
| GOOG Alphabet Inc. Class C | 2.71% | 4.89% |
| META Facebook Inc. Class A | 2.13% | 3.84% |
| TSLA Tesla Inc. | 1.89% | 2.11% |
| MU Micron Technology Inc. | 1.68% | 3.04% |
| LLY Eli Lilly & Co. | 1.35% | 2.43% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.34% | 2.42% |
| AMD Advanced Micro Devices Inc. | 1.29% | 2.34% |
| JPM JPMorgan Chase & Co. | 1.16% | 1.43% |
| JNJ Johnson & Johnson | 0.84% | 0.89% |
+ 21 more shared holdings.
Only in VOO
Vanguard S&P 500 ETF — US large-cap. Its biggest holdings that VOOG doesn’t have:
| XOM Exxon Mobil Corp. | 0.93% |
| INTC Intel Corp. | 0.83% |
| WMT Walmart Inc. | 0.78% |
| COST Costco Wholesale Corp. | 0.65% |
| UNH UnitedHealth Group Inc. | 0.53% |
| CVX Chevron Corp. | 0.53% |
| PG Procter & Gamble Co. | 0.51% |
| BAC Bank of America Corp. | 0.51% |
Only in VOOG
Vanguard S&P 500 Growth ETF — US large-cap growth. Its biggest holdings that VOO doesn’t have:
| CRWD Crowdstrike Holdings Inc. Class A | 0.51% |
| APH Amphenol Corp. Class A | 0.51% |
| APP AppLovin Corp. Class A | 0.46% |
| ANET Arista Networks Inc. | 0.46% |
| ISRG Intuitive Surgical Inc. | 0.42% |
| UBER Uber Technologies Inc. | 0.40% |
| WELL Welltower Inc. | 0.40% |
| BKNG Booking Holdings Inc. | 0.38% |
So — nearly identical. Should you hold both?
VOO and VOOG hold nearly the same stocks in nearly the same proportions — owning both is largely redundant. If you already hold VOO, adding VOOG mostly increases your bet on the names they share rather than spreading it — a 50/50 blend still behaves like only ~30 equal positions, with the top 10 alone at 49% and the Magnificent Seven at 43%.
Holdings as of — VOO: May 31, 2026 (Vanguard); 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.
See this for YOUR whole portfolio, free →VOO vs VOOG — FAQ
- How much do VOO and VOOG overlap?
- VOO and VOOG overlap by approximately 86% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 10 of VOO's 10 largest holdings are also held by VOOG. They share 36 of their listed top holdings in total.
- Is it redundant to hold both VOO and VOOG?
- Because they hold nearly the same stocks in nearly the same proportions — owning both is largely redundant, holding both is largely redundant — you mostly duplicate the same megacaps and concentrate rather than diversify. A 50/50 blend has an effective 30 positions and a C diversification grade.
- What does VOOG hold that VOO doesn't?
- VOOG's largest holdings that VOO doesn't hold include CRWD, APH, APP, ANET, ISRG. Its category is US large-cap growth, versus VOO's US large-cap.
- Which is more concentrated, VOO or VOOG?
- VOO's top 10 holdings are 61% of its listed weight; VOOG's are 67%. The more concentrated fund leans harder on its largest names.