VOO vs VUG: how much do they really overlap?
VOO (Vanguard S&P 500 ETF, tracking the S&P 500) and VUG (Vanguard Growth ETF, tracking the CRSP US Large Cap Growth) overlap by roughly 75% by weight. 9 of VOO's top 10 holdings also appear in VUG. A 50/50 blend of the two behaves like about 31 equally-weighted bets (diversification grade B). In short, the two funds share most of their weight in the same names; the second fund adds only modest differentiation.
The same companies, in both funds
These 27 holdings appear in both VOO and VUG. The weight columns show how much of each fund each name represents.
| Holding | in VOO | in VUG |
|---|---|---|
| NVDA NVIDIA Corp. | 7.51% | 12.60% |
| AAPL Apple Inc. | 6.59% | 11.64% |
| MSFT Microsoft Corp. | 4.30% | 7.60% |
| AMZN Amazon.com Inc. | 3.62% | 4.46% |
| GOOGL Alphabet Inc. Class A | 3.25% | 5.74% |
| AVGO Broadcom Inc. | 2.77% | 4.27% |
| GOOG Alphabet Inc. Class C | 2.59% | 4.52% |
| META Facebook Inc. Class A | 1.92% | 3.40% |
| TSLA Tesla Inc. | 1.84% | 3.26% |
| LLY Eli Lilly & Co. | 1.47% | 2.80% |
| AMD Advanced Micro Devices Inc. | 1.47% | 2.61% |
| AMAT Applied Materials Inc. | 0.89% | 1.59% |
| V Visa Inc. Class A | 0.87% | 1.54% |
| LRCX Lam Research Corp. | 0.84% | 1.50% |
| INTC Intel Corp. | 1.02% | 0.79% |
+ 12 more shared holdings.
Only in VOO
Vanguard S&P 500 ETF — US large-cap. Its biggest holdings that VUG doesn’t have:
| MU Micron Technology Inc. | 2.02% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.42% |
| JPM JPMorgan Chase & Co. | 1.26% |
| JNJ Johnson & Johnson | 0.95% |
| WMT Walmart Inc. | 0.77% |
| CAT Caterpillar Inc. | 0.76% |
| CSCO Cisco Systems Inc. | 0.72% |
| ABBV AbbVie Inc. | 0.69% |
Only in VUG
Vanguard Growth ETF — US large-cap growth. Its biggest holdings that VOO doesn’t have:
| WDC Western Digital Corp. | 0.62% |
| APH Amphenol Corp. Class A | 0.61% |
| STX Seagate Technology Holdings plc | 0.61% |
| MCD McDonald's Corp. | 0.54% |
| CRWD Crowdstrike Holdings Inc. Class A | 0.52% |
| ANET Arista Networks Inc. | 0.52% |
| BA Boeing Co. | 0.48% |
| TJX TJX Cos. Inc. | 0.47% |
So — heavily overlapping. Should you hold both?
VOO and VUG share most of their weight in the same names; the second fund adds only modest differentiation. If you already hold VOO, adding VUG mostly increases your bet on the names they share rather than spreading it — a 50/50 blend still behaves like only ~31 equal positions, with the top 10 alone at 48% and the Magnificent Seven at 42%.
Holdings as of — VOO: Jun 30, 2026 (Vanguard); VUG: 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 VUG — FAQ
- How much do VOO and VUG overlap?
- VOO and VUG overlap by approximately 75% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 9 of VOO's 10 largest holdings are also held by VUG. They share 27 of their listed top holdings in total.
- Is it redundant to hold both VOO and VUG?
- 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 31 positions and a B diversification grade.
- What does VUG hold that VOO doesn't?
- VUG's largest holdings that VOO doesn't hold include WDC, APH, STX, MCD, CRWD. Its category is US large-cap growth, versus VOO's US large-cap.
- Which is more concentrated, VOO or VUG?
- VOO's top 10 holdings are 58% of its listed weight; VUG's are 69%. The more concentrated fund leans harder on its largest names.