VONG vs VUG: 78% overlap
Vanguard Russell 1000 Growth ETF and Vanguard Growth ETF share 78.0% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
You would hold two tickers and get the diversification of 1.2. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VONG and VUG hold 115 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VONG | in VUG | Δ |
|---|---|---|---|
| NVDA | 13.8% | 12.6% | 1.2% |
| AAPL | 6.7% | 11.6% | 4.9% |
| GOOGL | 6.2% | 5.7% | 0.4% |
| GOOG | 5.0% | 4.5% | 0.4% |
| AVGO | 5.2% | 4.3% | 0.9% |
| MSFT | 4.1% | 7.6% | 3.5% |
| TSLA | 3.6% | 3.3% | 0.4% |
| META | 3.0% | 3.4% | 0.4% |
| LLY | 2.8% | 2.8% | 0.0% |
| AMD | 2.8% | 2.6% | 0.2% |
Where VONG and VUG differ
Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.
| Sector | VONG | VUG | Δ |
|---|---|---|---|
| Industrials | 8.8% | 5.0% | +3.8pp |
| Consumer Discretionary | 8.2% | 11.4% | −3.2pp |
| Information Technology | 54.3% | 56.0% | −1.8pp |
| Communication Services | 16.1% | 15.3% | +0.8pp |
| Health Care | 5.4% | 4.7% | +0.7pp |
| Real Estate | 0.4% | 1.0% | −0.5pp |
| Financials | 4.3% | 3.9% | +0.3pp |
| Utilities | 0.3% | 0.0% | +0.3pp |
Δ is VONG minus VUG, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.
What each fund holds alone
15.8% of VONG by weight, held in no part of VUG.
5.7% of VUG by weight, held in no part of VONG.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VONG | VUG | |
|---|---|---|
| Top 10 holdings | 54.3% | 60.3% |
| Positions held | 370 | 147 |
| Cost per $10,000 held, per year | $6 | $3 |
Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.
Frequently asked
How much do VONG and VUG overlap?
VONG and VUG overlap 78.0% by portfolio weight — substantial duplication if you hold both. They share 115 holdings. The figure comes from current issuer holdings files (VONG as of 2026-06-30, VUG as of 2026-06-30).
How is the overlap between VONG and VUG calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VONG holds a stock at 6% and VUG holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.
Is it redundant to hold both VONG and VUG?
That depends on your goals — we state facts, not advice. At 78.0% overlap, most of what one fund holds, the other holds too. Expense ratios: VONG 0.06% versus VUG 0.03%.
What does VONG own that VUG doesn't?
VONG holds 370 positions and VUG holds 147; 255 of VONG's positions don't appear in VUG at all, and they are 15.8% of VONG by weight.
You probably hold more than two funds
This page compares VONG and VUG. Paste your whole portfolio — brokerage, 401(k), IRA — and see the overlap across every fund at once, plus what you actually own underneath them and your own Effective Funds number. Free, no account, nothing stored.
X-ray my portfolio — free →Watch VONG vs VUG
We re-read both funds’ published holdings every weeknight. Leave an address and we'll tell you when what's inside actually changes.
Not sending yet — email alerts are built but switched off, and you'll be among the first when they turn on. No spam, one-click unsubscribe.
Related comparisons
Sources: issuer holdings files, VONG as of 2026-06-30, VUG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.