ETF and Mutual Fund Analysis

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

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

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

AIVSX vs FXAIX: Portfolio Overlap

Investment Co of America vs Fidelity 500 Index Fund

50.9%
Weighted portfolio overlap
High Overlap

The two funds are running highly redundant strategies — the same market exposure is paid for through two expense ratios.

AIVSX
171 equity holdings
as of March 31, 2026
FXAIX
503 equity holdings
as of May 31, 2026
125 stocks held in common
Overlap View Venn Diagram
50.9% OVERLAP AIVSX FXAIX
Overlapping Holdings
10 Top 10 of 125 shared, by overlap contribution
# Stock AIVSX FXAIX Overlap%
1
NVDA
6.71% 7.90% 6.71%
2
MSFT
5.81% 5.15% 5.15%
3
AMZN
4.85% 4.07% 4.07%
4
AVGO
6.31% 3.26% 3.26%
5
GOOGL
2.57% 3.41% 2.57%
6
AAPL
2.29% 7.05% 2.29%
7
GOOG
2.19% 2.71% 2.19%
8
META
2.68% 2.13% 2.13%
9
LLY
3.45% 1.35% 1.35%
10
JPM
1.09% 1.24% 1.09%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in AIVSX — Investment Co of America
StockWeight
British American Tobacco PLC2.72%
Taiwan Semiconductor Manufacturing Co Ltd1.62%
Canadian Natural Resources Ltd0.98%
Rolls-Royce Holdings PLC0.75%
TSM0.43%
Only in FXAIX — Fidelity 500 Index Fund
StockWeight
AMD1.30%
WMT0.78%
COST0.65%
LRCX0.61%
PLTR0.55%

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

AIVSX (Investment Co of America) and FXAIX (Fidelity 500 Index Fund) share 50.9% portfolio overlap as of AIVSX's March 31, 2026 filing and FXAIX's May 31, 2026 filing, across 125 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 AIVSX and FXAIX invest in the same stocks?

Largely yes. A substantial portion of both portfolios consists of the same stocks, leaving limited room for differentiation.

What are the top stocks held by both AIVSX and FXAIX?

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