ETF and Mutual Fund Analysis

Holdings as of April 30, 2026 (CAIBX) and May 31, 2026 (FCFMX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > CAIBX vs FCFMX Holdings as of April 30, 2026 (CAIBX) and May 31, 2026 (FCFMX)

CAIBX vs FCFMX: Portfolio Overlap

Capital Income Builder vs Fidelity Series Total Market Index Fund

19.9%
Weighted portfolio overlap
Low Overlap

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

CAIBX
298 equity holdings
as of April 30, 2026
FCFMX
3815 equity holdings
as of May 31, 2026
123 stocks held in common
Overlap View Venn Diagram
19.9% OVERLAP CAIBX FCFMX
Overlapping Holdings
10 Top 10 of 123 shared, by overlap contribution
# Stock CAIBX FCFMX Overlap%
1
AVGO
5.65% 2.89% 2.89%
2
MSFT
1.35% 4.57% 1.35%
3
JPM
1.46% 1.10% 1.10%
4
XOM
1.32% 0.83% 0.83%
5
JNJ
0.65% 0.74% 0.65%
6
ABBV
1.87% 0.53% 0.53%
7
UNH
0.88% 0.47% 0.47%
8
HD
0.44% 0.43% 0.43%
9
PM
3.25% 0.38% 0.38%
10
MS
0.99% 0.34% 0.34%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in CAIBX — Capital Income Builder
StockWeight
Taiwan Semiconductor Manufacturing Co Ltd4.42%
CAPITAL GROUP CENTRAL CORPORATE BOND FUND2.64%
British American Tobacco PLC2.15%
Canadian Natural Resources Ltd1.63%
AstraZeneca PLC1.46%
Only in FCFMX — Fidelity Series Total Market Index Fund
StockWeight
NVDA7.01%
AAPL6.26%
AMZN3.61%
GOOGL3.03%
GOOG2.40%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between CAIBX and FCFMX?

CAIBX (Capital Income Builder) and FCFMX (Fidelity Series Total Market Index Fund) share 19.9% portfolio overlap as of CAIBX's April 30, 2026 filing and FCFMX's May 31, 2026 filing, across 123 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 CAIBX and FCFMX 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 CAIBX and FCFMX?

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