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 87% by weight. 10 of VOO's top 10 holdings also appear in VOOG. A 50/50 blend of the two behaves like about 34 equally-weighted bets (diversification grade B). 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 37 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. | 7.51% | 13.64% |
| AAPL Apple Inc. | 6.59% | 5.98% |
| MSFT Microsoft Corp. | 4.30% | 7.80% |
| AMZN Amazon.com Inc. | 3.62% | 3.48% |
| GOOGL Alphabet Inc. Class A | 3.25% | 5.90% |
| AVGO Broadcom Inc. | 2.77% | 5.03% |
| GOOG Alphabet Inc. Class C | 2.59% | 4.70% |
| MU Micron Technology Inc. | 2.02% | 3.66% |
| META Facebook Inc. Class A | 1.92% | 3.48% |
| TSLA Tesla Inc. | 1.84% | 2.07% |
| LLY Eli Lilly & Co. | 1.47% | 2.67% |
| AMD Advanced Micro Devices Inc. | 1.47% | 2.67% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.42% | 2.58% |
| JPM JPMorgan Chase & Co. | 1.26% | 1.56% |
| JNJ Johnson & Johnson | 0.95% | 1.02% |
+ 22 more shared holdings.
Only in VOO
Vanguard S&P 500 ETF — US large-cap. Its biggest holdings that VOOG doesn’t have:
| INTC Intel Corp. | 1.02% |
| WMT Walmart Inc. | 0.77% |
| COST Costco Wholesale Corp. | 0.64% |
| UNH UnitedHealth Group Inc. | 0.59% |
| BAC Bank of America Corp. | 0.58% |
| HD Home Depot Inc. | 0.54% |
| PG Procter & Gamble Co. | 0.53% |
| MRK Merck & Co. Inc. | 0.49% |
Only in VOOG
Vanguard S&P 500 Growth ETF — US large-cap growth. Its biggest holdings that VOO doesn’t have:
| APH Amphenol Corp. Class A | 0.61% |
| CRWD Crowdstrike Holdings Inc. Class A | 0.55% |
| ANET Arista Networks Inc. | 0.49% |
| WELL Welltower Inc. | 0.45% |
| UBER Uber Technologies Inc. | 0.41% |
| ISRG Intuitive Surgical Inc. | 0.40% |
| APP AppLovin Corp. Class A | 0.39% |
| STX Seagate Technology Holdings plc | 0.39% |
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 ~34 equal positions, with the top 10 alone at 46% and the Magnificent Seven at 39%.
Holdings as of — VOO: Jun 30, 2026 (Vanguard); VOOG: Jun 30, 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 87% 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 37 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 34 positions and a B diversification grade.
- What does VOOG hold that VOO doesn't?
- VOOG's largest holdings that VOO doesn't hold include APH, CRWD, ANET, WELL, UBER. 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 58% of its listed weight; VOOG's are 64%. The more concentrated fund leans harder on its largest names.