ANCFX vs AWSHX: 54% overlap

American Funds Fundamental Investors A and American Funds Washington Mutual A share 54.4% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.

Different holding dates. These holdings were published 30 days apart — ANCFX as of 2026-03-31, the rest through 2026-04-30. Each fund is compared using its most recent file, so any trading in between shows up as a difference.

Hold both, 50/50
1.5Effective Funds

You would hold two tickers and get the diversification of 1.5. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
54.4%
ANCFX expense ratio
0.61%
AWSHX expense ratio
0.57%

Top shared holdings

ANCFX and AWSHX hold 128 of the same securities. The ten contributing most to the overlap figure:

Holdingin ANCFXin AWSHXΔ
AVGO5.9%7.5%1.6%
MSFT4.5%4.6%0.1%
PM4.0%3.4%0.5%
14020B2.8%3.4%0.5%
NVDA3.6%1.6%2.0%
GOOGL1.6%2.0%0.4%
GOOG3.6%1.5%2.1%
AAPL1.5%2.4%0.9%
META2.3%1.4%1.0%
V1.2%1.3%0.1%

Where ANCFX and AWSHX 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.

SectorANCFXAWSHXΔ
Financials8.1%15.0%6.8pp
Information Technology27.8%21.9%+6.0pp
Health Care6.2%10.7%4.5pp
Communication Services9.0%6.1%+2.8pp
Consumer Staples9.4%7.0%+2.4pp
Consumer Discretionary8.9%6.9%+2.0pp
Utilities2.1%3.8%1.7pp
Real Estate1.8%3.3%1.5pp

Δ is ANCFX minus AWSHX, 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

Only in ANCFX
104 positions

32.1% of ANCFX by weight, held in no part of AWSHX.

Only in AWSHX
69 positions

13.5% of AWSHX 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

ANCFXAWSHX
Top 10 holdings34.1%29.9%
Positions held233197
Cost per $10,000 held, per year$61$57

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 AWSHX overlap?

ANCFX and AWSHX overlap 54.4% by portfolio weight — substantial duplication if you hold both. They share 128 holdings. The figure comes from current issuer holdings files (ANCFX as of 2026-03-31, AWSHX as of 2026-04-30).

How is the overlap between ANCFX and AWSHX 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 AWSHX 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 AWSHX?

That depends on your goals — we state facts, not advice. At 54.4% overlap, each fund still contributes meaningfully distinct exposure.

What does ANCFX own that AWSHX doesn't?

ANCFX holds 233 positions and AWSHX holds 197; 104 of ANCFX's positions don't appear in AWSHX at all, and they are 32.1% of ANCFX by weight.

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Related comparisons

Sources: issuer holdings files, ANCFX as of 2026-03-31, AWSHX as of 2026-04-30. Weights are fractions of each fund. Diagnostics, not advice.