ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (FCFMX) and March 31, 2026 (VFIAX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > FCFMX vs VFIAX Holdings as of May 31, 2026 (FCFMX) and March 31, 2026 (VFIAX)

FCFMX vs VFIAX: Portfolio Overlap

Fidelity Series Total Market Index Fund vs Vanguard 500 Index Fund

83.0%
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.

FCFMX
3815 equity holdings
as of May 31, 2026
VFIAX
504 equity holdings
as of March 31, 2026
473 stocks held in common
Overlap View Venn Diagram
83.0% OVERLAP FCFMX VFIAX
Overlapping Holdings
10 Top 10 of 473 shared, by overlap contribution
# Stock FCFMX VFIAX Overlap%
1
NVDA
 7.01% 7.59% 7.01%
2
AAPL
 6.26% 6.68% 6.26%
3
MSFT
 4.57% 4.93% 4.57%
4
AMZN
 3.61% 3.65% 3.61%
5
GOOGL
 3.03% 3.00% 3.00%
6
AVGO
 2.89% 2.63% 2.63%
7
GOOG
 2.40% 2.40% 2.40%
8
META
 1.89% 2.24% 1.89%
9
TSLA
 1.67% 1.87% 1.67%
10
LLY
 1.20% 1.31% 1.20%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FCFMX — Fidelity Series Total Market Index Fund
StockWeight
Linde PLC0.32%
Seagate Technology Holdings PLC0.26%
MRVL0.24%
Eaton Corp PLC0.21%
Accenture PLC0.16%
Only in VFIAX — 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 FCFMX and VFIAX?

FCFMX (Fidelity Series Total Market Index Fund) and VFIAX (Vanguard 500 Index Fund) share 83.0% portfolio overlap as of FCFMX's May 31, 2026 filing and VFIAX'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 FCFMX and VFIAX 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 FCFMX and VFIAX?

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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