ETF and Mutual Fund Analysis

Holdings as of March 31, 2026

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

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

ABALX vs VFIAX: 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
VFIAX
504 equity holdings
as of March 31, 2026
111 stocks held in common
Overlap View Venn Diagram
38.3% OVERLAP ABALX VFIAX
Overlapping Holdings
10 Top 10 of 111 shared, by overlap contribution
# Stock ABALX VFIAX 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
StockWeight
CAPITAL GROUP CENTRAL CORPORATE BOND FUND4.55%
TSM3.79%
Canadian Natural Resources Ltd1.66%
SK hynix Inc1.19%
Wheaton Precious Metals Corp1.16%
Only in VFIAX — VANGUARD 500 INDEX FUND
StockWeight
TSLA1.87%
BRK.B1.57%
WMT0.98%
COST0.79%
PLTR0.60%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between ABALX and VFIAX?

ABALX (American Balanced Fund) and VFIAX (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 VFIAX 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 VFIAX?

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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