VFORX vs VONG: 25% overlap
Vanguard Target Retirement 2040 and Vanguard Russell 1000 Growth ETF share 25.4% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published about 3 months apart — VFORX as of 2026-03-31, the rest through 2026-06-30. Each fund is compared using its most recent file, so any trading in between shows up as a difference.
You would hold two tickers and get the diversification of 1.7. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VFORX and VONG hold 356 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VFORX | in VONG | Δ |
|---|---|---|---|
| NVDA | 2.8% | 13.8% | 11.1% |
| AAPL | 2.5% | 6.7% | 4.2% |
| MSFT | 1.7% | 4.1% | 2.4% |
| GOOGL | 1.3% | 6.2% | 4.9% |
| AVGO | 1.1% | 5.2% | 4.1% |
| GOOG | 1.0% | 5.0% | 4.0% |
| MU | 0.8% | 3.9% | 3.1% |
| META | 0.7% | 3.0% | 2.3% |
| TSLA | 0.7% | 3.6% | 2.9% |
| LLY | 0.6% | 2.8% | 2.2% |
Where VFORX and VONG 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 | VFORX | VONG | Δ |
|---|---|---|---|
| Information Technology | 21.6% | 54.3% | −32.6pp |
| Communication Services | 4.9% | 16.1% | −11.2pp |
| Unclassified | 9.7% | 0.0% | +9.7pp |
| Treasuries | 8.7% | 0.0% | +8.7pp |
| Financials | 12.7% | 4.3% | +8.4pp |
| MBS Pass-Through | 3.7% | 0.0% | +3.7pp |
| Corporate — industrial & other | 2.8% | 0.0% | +2.8pp |
| Materials | 2.5% | 0.3% | +2.2pp |
Δ is VFORX minus VONG, 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
70.5% of VFORX by weight, held in no part of VONG.
0.6% of VONG by weight, held in no part of VFORX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VFORX | VONG | |
|---|---|---|
| Top 10 holdings | 23.9% | 54.3% |
| Positions held | 6 | 370 |
| Cost per $10,000 held, per year | $8 | $6 |
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 VFORX and VONG overlap?
VFORX and VONG overlap 25.4% by portfolio weight — moderate overlap. They share 356 holdings. The figure comes from current issuer holdings files (VFORX as of 2026-03-31, VONG as of 2026-06-30).
How is the overlap between VFORX and VONG calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VFORX holds a stock at 6% and VONG 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 VFORX and VONG?
That depends on your goals — we state facts, not advice. At 25.4% overlap, each fund still contributes meaningfully distinct exposure.
What does VFORX own that VONG doesn't?
VFORX holds 6 positions and VONG holds 370; 16,326 of VFORX's positions don't appear in VONG at all, and they are 70.5% of VFORX by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, VFORX as of 2026-03-31, VONG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.