ETF and Mutual Fund Analysis

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

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

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

FXAIX vs VB: Portfolio Overlap

Fidelity 500 Index Fund vs Vanguard Small-Cap Index Fund

2.9%
Weighted portfolio overlap
Low Overlap

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

FXAIX
503 equity holdings
as of May 31, 2026
VB
1312 equity holdings
as of March 31, 2026
113 stocks held in common
Overlap View Venn Diagram
2.9% OVERLAP FXAIX VB
Overlapping Holdings
10 Top 10 of 113 shared, by overlap contribution
# Stock FXAIX VB Overlap%
1
CIEN
 0.13% 0.39% 0.13%
2
COHR
 0.10% 0.31% 0.10%
3
FIX
 0.10% 0.34% 0.10%
4
LITE
 0.09% 0.35% 0.09%
5
JBL
 0.06% 0.37% 0.06%
6
EME
 0.06% 0.46% 0.06%
7
STLD
 0.05% 0.18% 0.05%
8
EQT
 0.05% 0.28% 0.05%
9
FSLR
 0.05% 0.14% 0.05%
10
Q
 0.05% 0.17% 0.05%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FXAIX — Fidelity 500 Index Fund
StockWeight
NVDA7.90%
AAPL7.05%
MSFT5.15%
AMZN4.07%
GOOGL3.41%
Only in VB — VANGUARD SMALL-CAP INDEX FUND
StockWeight
FTI0.39%
UTHR0.37%
NTRA0.37%
FTAI0.35%
CW0.35%

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

FXAIX (Fidelity 500 Index Fund) and VB (Vanguard Small-Cap Index Fund) share 2.9% portfolio overlap as of FXAIX's May 31, 2026 filing and VB's March 31, 2026 filing, across 113 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 VB 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 FXAIX and VB?

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

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