Home > Compare > AFMFX vs VOO Holdings as of April 30, 2026 (AFMFX) and March 31, 2026 (VOO)

AFMFX vs VOO: Portfolio Overlap

American Mutual Fund vs Vanguard 500 Index Fund

40.9%

Weighted portfolio overlap

Moderate Overlap

Moderate Overlap. A recognisable amount of shared weight, common among funds drawing on the same large-cap pool. Much of it typically sits in the top conviction holdings.

AFMFX

154 equity holdings
as of April 30, 2026

VOO

504 equity holdings
as of March 31, 2026

122 stocks held in common

Overlap View Venn Diagram

Overlapping Holdings

10 Top 10 of 122 shared, by overlap contribution

#	Stock	AFMFX	VOO	Overlap%
1	MSFT	5.25%	4.93%	4.93%
2	AVGO	4.69%	2.63%	2.63%
3	AAPL	2.42%	6.68%	2.42%
4	META	2.16%	2.24%	2.16%
5	GOOGL	1.43%	3.00%	1.43%
6	JPM	2.03%	1.34%	1.34%
7	LLY	3.05%	1.31%	1.31%
8	XOM	1.45%	1.27%	1.27%
9	GOOG	1.12%	2.40%	1.12%
10	JNJ	1.13%	1.06%	1.06%

Most Divergent Holdings Stocks held by one fund but absent from the other

Only in AFMFX — American Mutual Fund

Stock	Weight
TSM	1.75%
Linde PLC	1.27%
BTI	1.20%
TC Energy Corp	0.93%
Medtronic PLC	0.80%

Only in VOO — VANGUARD 500 INDEX FUND

Stock	Weight
NVDA	7.59%
AMZN	3.65%
TSLA	1.87%
WMT	0.98%
NFLX	0.73%

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Frequently Asked Questions (FAQs)

What is the portfolio overlap between AFMFX and VOO?

AFMFX (American Mutual Fund) and VOO (Vanguard 500 Index Fund) share 40.9% portfolio overlap as of AFMFX's April 30, 2026 filing and VOO's March 31, 2026 filing, across 122 common stocks. Overlap is the sum of the smaller weight of each shared stock, so it reads as the share of a dollar that lands on the same companies in both funds.

Do AFMFX and VOO invest in the same stocks?

Somewhat. The two funds share a meaningful set of stocks, though each also holds distinct positions the other does not.

What are the top stocks held by both AFMFX and VOO?

The most prominent shared holdings (by combined weight) are: MSFT, AVGO, AAPL. See the full common-holdings table on this page for weights in each fund.

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