AWSHX vs VOOG: 35% overlap

American Funds Washington Mutual A and Vanguard S&P 500 Growth ETF share 35.4% 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 2 months apart — AWSHX as of 2026-04-30, 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.

Hold both, 50/50
1.6Effective Funds

You would hold two tickers and get the diversification of 1.6. Two funds that shared nothing would score 2.0; two identical funds score 1.0.

Overlap
35.4%
AWSHX expense ratio
0.57%
VOOG expense ratio
0.07%

Top shared holdings

AWSHX and VOOG hold 55 of the same securities. The ten contributing most to the overlap figure:

Holdingin AWSHXin VOOGΔ
AVGO7.5%5.0%2.5%
MSFT4.6%7.8%3.2%
AAPL2.4%6.0%3.6%
GOOGL2.0%5.9%3.9%
NVDA1.6%13.7%12.0%
LLY1.6%2.7%1.0%
GOOG1.5%4.7%3.2%
JPM1.4%1.6%0.1%
META1.4%3.5%2.1%
CAT1.1%1.4%0.3%

Where AWSHX and VOOG 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.

SectorAWSHXVOOGΔ
Information Technology21.9%52.2%30.4pp
Communication Services6.1%15.2%9.1pp
Unclassified7.9%0.0%+7.9pp
Financials15.0%8.5%+6.4pp
Consumer Staples7.0%1.1%+5.9pp
Industrials11.7%6.9%+4.9pp
Health Care10.7%6.2%+4.6pp
Utilities3.8%0.4%+3.4pp

Δ is AWSHX minus VOOG, 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 AWSHX
142 positions

48.3% of AWSHX by weight, held in no part of VOOG.

Only in VOOG
93 positions

24.5% of VOOG by weight, held in no part of AWSHX.

A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.

Concentration and cost

AWSHXVOOG
Top 10 holdings29.9%56.4%
Positions held197148
Cost per $10,000 held, per year$57$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 AWSHX and VOOG overlap?

AWSHX and VOOG overlap 35.4% by portfolio weight — moderate overlap. They share 55 holdings. The figure comes from current issuer holdings files (AWSHX as of 2026-04-30, VOOG as of 2026-06-30).

How is the overlap between AWSHX and VOOG calculated?

As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If AWSHX holds a stock at 6% and VOOG 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 AWSHX and VOOG?

That depends on your goals — we state facts, not advice. At 35.4% overlap, each fund still contributes meaningfully distinct exposure.

What does AWSHX own that VOOG doesn't?

AWSHX holds 197 positions and VOOG holds 148; 142 of AWSHX's positions don't appear in VOOG at all, and they are 48.3% of AWSHX by weight.

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Related comparisons

Sources: issuer holdings files, AWSHX as of 2026-04-30, VOOG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.