ANCFX vs VOOV: 24% overlap
American Funds Fundamental Investors A and Vanguard S&P 500 Value ETF share 23.8% 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 — ANCFX 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 1.8. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
ANCFX and VOOV hold 118 of the same securities. The ten contributing most to the overlap figure:
| Holding | in ANCFX | in VOOV | Δ |
|---|---|---|---|
| AMZN | 2.8% | 3.8% | 1.0% |
| AAPL | 1.5% | 7.3% | 5.8% |
| V | 1.2% | 0.9% | 0.3% |
| UNH | 0.8% | 1.3% | 0.5% |
| GE | 0.6% | 0.6% | 0.0% |
| UNP | 0.6% | 0.6% | 0.1% |
| WDC | 0.5% | 0.8% | 0.2% |
| JPM | 0.5% | 0.9% | 0.4% |
| MA | 0.5% | 0.5% | 0.0% |
| COP | 0.5% | 0.4% | 0.1% |
Where ANCFX and VOOV 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 | ANCFX | VOOV | Δ |
|---|---|---|---|
| Unclassified | 9.3% | 0.0% | +9.3pp |
| Information Technology | 27.8% | 20.5% | +7.3pp |
| Financials | 8.1% | 15.3% | −7.2pp |
| Communication Services | 9.0% | 2.9% | +6.1pp |
| Health Care | 6.2% | 12.2% | −6.0pp |
| Energy | 2.3% | 6.6% | −4.3pp |
| Utilities | 2.1% | 4.4% | −2.3pp |
| Materials | 2.2% | 3.7% | −1.5pp |
Δ is ANCFX minus VOOV, 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
63.2% of ANCFX by weight, held in no part of VOOV.
47.4% of VOOV by weight, held in no part of ANCFX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| ANCFX | VOOV | |
|---|---|---|
| Top 10 holdings | 34.1% | 23.8% |
| Positions held | 233 | 438 |
| Cost per $10,000 held, per year | $61 | $7 |
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 ANCFX and VOOV overlap?
ANCFX and VOOV overlap 23.8% by portfolio weight — moderate overlap. They share 118 holdings. The figure comes from current issuer holdings files (ANCFX as of 2026-03-31, VOOV as of 2026-06-30).
How is the overlap between ANCFX and VOOV calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If ANCFX holds a stock at 6% and VOOV 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 ANCFX and VOOV?
That depends on your goals — we state facts, not advice. At 23.8% overlap, each fund still contributes meaningfully distinct exposure.
What does ANCFX own that VOOV doesn't?
ANCFX holds 233 positions and VOOV holds 438; 114 of ANCFX's positions don't appear in VOOV at all, and they are 63.2% of ANCFX by weight.
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Related comparisons
Sources: issuer holdings files, ANCFX as of 2026-03-31, VOOV as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.