MF · holdings as filed 2026-02-28
What's inside FSMAX?
Fidelity Extended Market Index Fund
Holdings
3,369
positions in the fund
Expense ratio
0.03%
net, per year
Fund size
$41B
total net assets
Top 15 holdings
1
—Fidelity Revere Street Trust
5.72%
2
VRTVERTIV HOLDINGS CO-A
1.25%
3
MRVLMARVELL TECHNOLOGY INC
0.90%
5
NETCLOUDFLARE INC - CLASS A
0.70%
6
FERGFERGUSON ENTERPRISES INC
0.65%
7
LNGCHENIERE ENERGY INC
0.65%
8
LITELUMENTUM HOLDINGS INC
0.64%
9
RBLXROBLOX CORP -CLASS A
0.57%
10
ALNYALNYLAM PHARMACEUTICALS INC
0.56%
13
BEBLOOM ENERGY CORP- A
0.43%
15
RKLBROCKET LAB CORP
0.42%
Sectors
1Information Technology26% 4Consumer Discretionary10% Hold FSMAX alongside other funds? See your combined true holdings, overlap, and blended fees — free, no signup.
Unwrap your portfolio →Data source: official SEC Form N-PORT filings (as of 2026-02-28); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.