Home > Compare > AMCFX vs CSPAX Holdings as of May 31, 2026 (AMCFX) and March 31, 2026 (CSPAX)

AMCFX vs CSPAX: Portfolio Overlap

AMCAP Fund vs SMALLCAP World Fund Inc

2.3%

Weighted portfolio overlap

Low Overlap

Low Overlap. The two portfolios have highly distinct allocations: little of the weight sits in the same stocks.

AMCFX

113 equity holdings
as of May 31, 2026

CSPAX

815 equity holdings
as of March 31, 2026

19 stocks held in common

Overlap View Venn Diagram

Overlapping Holdings

10 Top 10 of 19 shared, by overlap contribution

#	Stock	AMCFX	CSPAX	Overlap%
1	TopBuild Corp	0.77%	0.91%	0.77%
2	AFRM	0.85%	0.35%	0.35%
3	XPO	0.97%	0.27%	0.27%
4	ULS	0.23%	0.24%	0.23%
5	ATI	0.21%	0.80%	0.21%
6	Moncler S.p.A.	0.43%	0.14%	0.14%
7	CAVA	0.11%	0.60%	0.11%
8	LSCC	0.09%	0.34%	0.09%
9	APG	0.11%	0.07%	0.07%
10	ALNY	1.30%	0.06%	0.06%

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

Only in AMCFX — AMCAP Fund

Stock	Weight
AVGO	7.72%
NVDA	7.16%
AMZN	6.32%
GOOGL	5.87%
MSFT	5.73%

Only in CSPAX — SMALLCAP World Fund Inc

Stock	Weight
FIX	1.52%
LITE	1.32%
DIPLOMA PLC	1.06%
Kokusai Electric Corp	0.81%
MKSI	0.75%

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Frequently Asked Questions (FAQs)

What is the portfolio overlap between AMCFX and CSPAX?

AMCFX (AMCAP Fund) and CSPAX (SMALLCAP World Fund Inc) share 2.3% portfolio overlap as of AMCFX's May 31, 2026 filing and CSPAX's March 31, 2026 filing, across 19 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 AMCFX and CSPAX invest in the same stocks?

Mostly not. Only a small portion of their portfolios overlaps — these funds hold largely different stocks and genuinely diversify each other.

What are the top stocks held by both AMCFX and CSPAX?

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

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