Home > Compare > ABALX vs VOO Holdings as of March 31, 2026

ABALX vs VOO: Portfolio Overlap

American Balanced Fund vs Vanguard 500 Index Fund

38.3%

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.

ABALX

174 equity holdings
as of March 31, 2026

VOO

504 equity holdings
as of March 31, 2026

111 stocks held in common

Overlap View Venn Diagram

Overlapping Holdings

10 Top 10 of 111 shared, by overlap contribution

#	Stock	ABALX	VOO	Overlap%
1	NVDA	3.25%	7.59%	3.25%
2	MSFT	3.23%	4.93%	3.23%
3	GOOGL	2.83%	3.00%	2.83%
4	AVGO	5.47%	2.63%	2.63%
5	GOOG	2.32%	2.40%	2.32%
6	LLY	2.16%	1.31%	1.31%
7	AMZN	1.30%	3.65%	1.30%
8	META	1.17%	2.24%	1.17%
9	AAPL	1.03%	6.68%	1.03%
10	V	1.68%	0.89%	0.89%

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

Only in ABALX — American Balanced Fund

Stock	Weight
CAPITAL GROUP CENTRAL CORPORATE BOND FUND	4.55%
TSM	3.79%
Canadian Natural Resources Ltd	1.66%
SK hynix Inc	1.19%
Wheaton Precious Metals Corp	1.16%

Only in VOO — VANGUARD 500 INDEX FUND

Stock	Weight
TSLA	1.87%
BRK.B	1.57%
WMT	0.98%
COST	0.79%
PLTR	0.60%

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Frequently Asked Questions (FAQs)

What is the portfolio overlap between ABALX and VOO?

ABALX (American Balanced Fund) and VOO (Vanguard 500 Index Fund) share 38.3% portfolio overlap as of their March 31, 2026 filings, across 111 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 ABALX 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 ABALX and VOO?

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

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