Fidelity ZERO Total Market Index Fund (FZROX) is a Fidelity mutual fund with a 0.00% expense ratio, 2,640 holdings and $39.5B in net assets. Largest sector: Technology (35%).
Fee
0.00%
prospectus Dec 29, 2025
Net assets
$39.5B
Launched
Aug 3, 2018
Holdings
2,640
as of Jul 31, 2026
Top 10 weight
33.5%
largest ten holdings
Largest sector
Technology
35.3%
Yield
—
Benchmark
—
FZROX's holdings are as of Jul 31, 2026 — a mutual fund reports its holdings to the SEC quarterly, one to three months after the date.
1 week
-0.5%
1 month
-0.8%
3 months
+1.7%
6 months
+5.5%
Year to date
+11.8%
1 year
+11.9%
Price change plus distributions, to Oct 30, 2026.
Technology
35.3%
Financial Services
12.5%
Healthcare
9.7%
Consumer Cyclical
9.6%
Industrials
9.3%
Communication Services
9.2%
Consumer Defensive
4.4%
Energy
3.5%
Real Estate
2.4%
Utilities
2.1%
Basic Materials
2.0%
Semiconductors
13.9%
Software—Infrastructure
7.2%
Internet Content & Information
7.0%
Consumer Electronics
6.3%
Drug Manufacturers—General
4.1%
Internet Retail
3.9%
Banks—Diversified
2.7%
Aerospace & Defense
2.4%
Credit Services
2.2%
Software—Application
2.1%
The 10 largest of 26 industries (each at least 1%). Industries come from market-data classification and can differ from the fund issuer's own categories.
1
NVDA
NVIDIA
6.72%
2
AAPL
APPLE
6.27%
3
MSFT
MICROSOFT
4.77%
4
AMZN
AMAZON.COM
3.67%
5
GOOGL
ALPHABET
2.89%
6
AVGO
BROADCOM
2.55%
7
GOOG
ALPHABET CL C
2.33%
8
META
META PLATFORMS
1.69%
9
JPM
JPMORGAN CHASE
1.30%
10
BRK.B
BERKSHIRE HATHAWAY
1.30%
11
MU
MICRON TECHNOLOGY
1.28%
12
LLY
ELI LILLY
1.26%
13
TSLA
TESLA
1.21%
14
AMD
ADVANCED MICRO DEVICES
1.07%
15
XOM
EXXON MOBIL
0.89%
16
JNJ
JOHNSON + JOHNSON
0.85%
17
V
VISA
0.84%
18
WMT
WALMART
0.67%
19
MA
MASTERCARD
0.64%
20
CSCO
CISCO SYSTEMS
0.63%
21
ABBV
ABBVIE
0.61%
22
INTC
INTEL
0.59%
23
COST
COSTCO WHOLESALE
0.58%
24
BAC
BANK OF AMERICA
0.56%
25
AMAT
APPLIED MATERIALS
0.56%
1–25 of 2,640
Funds listed by how much of their largest holdings they share with FZROX — not a ranking.
Data from Fidelity and its SEC filings; prices and returns from market data. Page updated November 1, 2026. Holdings and figures change over time. For information only — not investment advice.