VONG vs VXF: 6% overlap
Vanguard Russell 1000 Growth ETF and Vanguard Extended Market ETF share 5.9% 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 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VONG and VXF hold 178 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VONG | in VXF | Δ |
|---|---|---|---|
| CASH | 0.3% | 3.8% | 3.5% |
| SNOW | 0.3% | 1.0% | 0.7% |
| SPCX | 0.2% | 1.1% | 0.9% |
| BE | 0.2% | 0.9% | 0.7% |
| NET | 0.2% | 0.9% | 0.7% |
| ALAB | 0.2% | 0.7% | 0.5% |
| RKLB | 0.2% | 0.6% | 0.4% |
| CRDO | 0.1% | 0.5% | 0.4% |
| ALNY | 0.1% | 0.5% | 0.3% |
| NTRA | 0.1% | 0.4% | 0.3% |
Where VONG and VXF 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 | VXF | Δ |
|---|---|---|---|
| Information Technology | 54.3% | 17.6% | +36.6pp |
| Communication Services | 16.1% | 4.5% | +11.6pp |
| Industrials | 8.8% | 19.8% | −11.0pp |
| Financials | 4.3% | 13.9% | −9.6pp |
| Health Care | 5.4% | 13.2% | −7.8pp |
| Real Estate | 0.4% | 4.8% | −4.4pp |
| Materials | 0.3% | 4.1% | −3.8pp |
| Energy | 0.4% | 4.0% | −3.5pp |
Δ is VONG minus VXF, 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
93.3% of VONG by weight, held in no part of VXF.
66.0% of VXF 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 | VXF | |
|---|---|---|
| Top 10 holdings | 54.3% | 10.6% |
| Positions held | 370 | 3,327 |
| Cost per $10,000 held, per year | $6 | $5 |
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 VXF overlap?
VONG and VXF overlap 5.9% by portfolio weight — largely distinct portfolios. They share 178 holdings. The figure comes from current issuer holdings files (VONG as of 2026-06-30, VXF as of 2026-06-30).
How is the overlap between VONG and VXF 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 VXF 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 VXF?
That depends on your goals — we state facts, not advice. At 5.9% overlap, each fund still contributes meaningfully distinct exposure.
What does VONG own that VXF doesn't?
VONG holds 370 positions and VXF holds 3,327; 192 of VONG's positions don't appear in VXF at all, and they are 93.3% of VONG by weight.
You probably hold more than two funds
This page compares VONG and VXF. 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 VXF
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, VXF as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.