ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (FXAIX) and September 30, 2025 (IVV)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > FXAIX vs IVV Holdings as of May 31, 2026 (FXAIX) and September 30, 2025 (IVV)

FXAIX vs IVV: Portfolio Overlap

Fidelity 500 Index Fund vs iShares Core S&P 500 ETF

88.1%
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
IVV
503 equity holdings
as of September 30, 2025
488 stocks held in common
Overlap View Venn Diagram
88.1% OVERLAP FXAIX IVV
Overlapping Holdings
10 Top 10 of 488 shared, by overlap contribution
# Stock FXAIX IVV Overlap%
1
NVDA
 7.90% 7.98% 7.90%
2
AAPL
 7.05% 6.62% 6.62%
3
MSFT
 5.15% 6.75% 5.15%
4
AMZN
 4.07% 3.74% 3.74%
5
AVGO
 3.26% 2.72% 2.72%
6
GOOGL
 3.41% 2.48% 2.48%
7
META
 2.13% 2.79% 2.13%
8
GOOG
 2.71% 1.99% 1.99%
9
TSLA
 1.89% 2.19% 1.89%
10
BRK.B
 1.34% 1.62% 1.34%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FXAIX — Fidelity 500 Index Fund
StockWeight
SNDK0.39%
VRT0.19%
CIEN0.13%
CRH PLC0.11%
COHR0.10%
Only in IVV — iShares Core S&P 500 ETF
StockWeight
CCL0.06%
K0.04%
Amcor PLC0.03%
CTRA0.03%
HOLX0.03%

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

FXAIX (Fidelity 500 Index Fund) and IVV (iShares Core S&P 500 ETF) share 88.1% portfolio overlap as of FXAIX's May 31, 2026 filing and IVV's September 30, 2025 filing, across 488 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 IVV 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 IVV?

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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