ETF and Mutual Fund Analysis

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

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

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

FXAIX vs VOO: Portfolio Overlap

Fidelity 500 Index Fund vs Vanguard 500 Index Fund

89.8%
Weighted portfolio overlap
Very High Overlap

The two portfolios are structurally near-identical: most of the weight sits in the same stocks, so holding both concentrates rather than spreads capital. The tier describes what the data shows, not what to do about it.

FXAIX
503 equity holdings
as of May 31, 2026
VOO
504 equity holdings
as of March 31, 2026
473 stocks held in common
Overlap View Venn Diagram
89.8% OVERLAP FXAIX VOO
Overlapping Holdings
10 Top 10 of 473 shared, by overlap contribution
# Stock FXAIX VOO Overlap%
1
NVDA
 7.90% 7.59% 7.59%
2
AAPL
 7.05% 6.68% 6.68%
3
MSFT
 5.15% 4.93% 4.93%
4
AMZN
 4.07% 3.65% 3.65%
5
GOOGL
 3.41% 3.00% 3.00%
6
AVGO
 3.26% 2.63% 2.63%
7
GOOG
 2.71% 2.40% 2.40%
8
META
 2.13% 2.24% 2.13%
9
TSLA
 1.89% 1.87% 1.87%
10
BRK.B
 1.34% 1.57% 1.34%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FXAIX — Fidelity 500 Index Fund
StockWeight
Linde PLC0.36%
Seagate Technology Holdings PLC0.30%
Eaton Corp PLC0.24%
Accenture PLC0.18%
Chubb Ltd0.17%
Only in VOO — VANGUARD 500 INDEX FUND
StockWeight
LIN0.41%
ETN0.25%
ACN0.22%
CB0.21%
MDT0.20%

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

FXAIX (Fidelity 500 Index Fund) and VOO (Vanguard 500 Index Fund) share 89.8% portfolio overlap as of FXAIX's May 31, 2026 filing and VOO's March 31, 2026 filing, across 473 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 FXAIX and VOO invest in the same stocks?

Almost entirely. These funds hold nearly identical portfolios and offer little differentiation between them.

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

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

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