FZROX and FXAIX · filed portfolios

FZROX vs FXAIX fund overlap

This page compares the filed equity sleeves of Fidelity ZERO Total Market Index Fund and Fidelity 500 Index Fund. Both source dates appear with the result.

Filed portfolio overlap

85.8%

Filed portfolio result

Fidelity ZERO Total Market Index Fund and Fidelity 500 Index Fund share 85.8% of their filed equity sleeves. The FZROX class costs $0 per year for each $100,000 invested; the FXAIX class costs $10 per year for each $100,000.

Fidelity ZERO Total Market Index Fund (FZROX) · Fidelity 500 Index Fund (FXAIX)

Largest shared positions

CompanyFZROXFXAIX
NVIDIA CORP6.96%7.90%
ALPHABET INC5.78%6.12%
APPLE INC5.72%7.05%
MICROSOFT CORP4.35%5.15%
AMAZON.COM INC3.72%4.07%
BROADCOM INC2.84%3.26%
META PLATFORMS INC1.92%2.13%
TESLA INC1.54%1.89%
BERKSHIRE HATHAWAY INC DEL1.25%1.34%
JPMORGAN CHASE and CO1.21%1.24%

Largest positions only in FZROX

CompanyWeight
MARVELL TECHNOLOGY INC0.21%
BLOOM ENERGY CORP0.10%
CLOUDFLARE INC0.09%
CHENIERE ENERGY INC0.08%
FERGUSON ENTERPRISES INC0.08%

Largest positions only in FXAIX

CompanyWeight

This is a quarter-end snapshot filed later. Both funds may have traded since these dates, and portfolio overlap does not show whether either fund is better.

FZROX holdings as of 2026-04-30 · FXAIX holdings as of 2026-05-31 · pinned run a50bbf07-f7a5-4c59-bb80-4a558b00b06c ·
Data provenance

FZROX holdings run 7f35c13d-dab5-4663-b04b-b5d91b2d68a2; FXAIX holdings run 7f35c13d-dab5-4663-b04b-b5d91b2d68a2. Method cusip6-equity-sleeve@1; identifier coverage 96.8% and 97.3%. Source accessions 0000035402-26-004212 and 0000035402-26-004626.

Read the overlap method.