ETF and Mutual Fund Analysis

Holdings as of March 31, 2026 (ABALX) and May 31, 2026 (FXAIX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > ABALX vs FXAIX Holdings as of March 31, 2026 (ABALX) and May 31, 2026 (FXAIX)

ABALX vs FXAIX: Portfolio Overlap

American Balanced Fund vs Fidelity 500 Index Fund

40.4%
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
FXAIX
503 equity holdings
as of May 31, 2026
119 stocks held in common
Overlap View Venn Diagram
40.4% OVERLAP ABALX FXAIX
Overlapping Holdings
10 Top 10 of 119 shared, by overlap contribution
# Stock ABALX FXAIX Overlap%
1
AVGO
 5.47% 3.26% 3.26%
2
NVDA
 3.25% 7.90% 3.25%
3
MSFT
 3.23% 5.15% 3.23%
4
GOOGL
 2.83% 3.41% 2.83%
5
GOOG
 2.32% 2.71% 2.32%
6
MU
 2.09% 1.68% 1.68%
7
LLY
 2.16% 1.35% 1.35%
8
AMZN
 1.30% 4.07% 1.30%
9
META
 1.17% 2.13% 1.17%
10
AAPL
 1.03% 7.05% 1.03%
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 FXAIX — Fidelity 500 Index Fund
StockWeight
TSLA1.89%
BRK.B1.34%
WMT0.78%
CSCO0.73%
COST0.65%

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

ABALX (American Balanced Fund) and FXAIX (Fidelity 500 Index Fund) share 40.4% portfolio overlap as of ABALX's March 31, 2026 filing and FXAIX's May 31, 2026 filing, across 119 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 FXAIX 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 FXAIX?

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

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