Vanguard Mega Cap Index Fund Institutional Shares (VMCTX) is a Vanguard mutual fund with a 0.06% expense ratio, 165 holdings and $10.8B in net assets. Largest sector: Technology (45%).
Fee
0.06%
prospectus Dec 19, 2025
Net assets
$10.8B
Launched
Dec 27, 2007
Holdings
165
as of Sep 30, 2026
Top 10 weight
46.8%
largest ten holdings
Largest sector
Technology
44.9%
Yield
—
Benchmark
—
VMCTX's holdings are as of Sep 30, 2026 — a mutual fund reports its holdings to the SEC quarterly, one to three months after the date.
Technology
44.9%
Communication Services
11.6%
Financial Services
10.9%
Healthcare
9.2%
Consumer Cyclical
8.4%
Industrials
6.0%
Consumer Defensive
4.2%
Energy
2.5%
Basic Materials
1.0%
Real Estate
0.9%
Utilities
0.6%
1
NVDA
NVIDIA
9.63%
2
AAPL
APPLE
8.95%
3
MSFT
MICROSOFT
7.01%
4
AMZN
AMAZON.COM
4.45%
5
GOOGL
ALPHABET
3.72%
6
AVGO
BROADCOM
3.08%
7
GOOG
ALPHABET CL C
2.95%
8
META
META PLATFORMS
2.94%
9
MU
MICRON TECHNOLOGY
2.21%
10
AMD
ADVANCED MICRO DEVICES
1.84%
11
TSLA
TESLA
1.84%
12
LLY
ELI LILLY
1.80%
13
JPM
JPMORGAN CHASE
1.62%
14
BRK.B
BERKSHIRE HATHAWAY
1.58%
15
XOM
EXXON MOBIL
1.24%
16
JNJ
JOHNSON + JOHNSON
1.17%
17
V
VISA
1.13%
18
INTC
INTEL
0.99%
19
ABBV
ABBVIE
0.85%
20
WMT
WALMART
0.84%
21
MA
MASTERCARD
0.79%
22
LRCX
LAM RESEARCH
0.76%
23
AMAT
APPLIED MATERIALS
0.75%
24
PLTR
PALANTIR TECHNOLOGIES A
0.75%
25
COST
COSTCO WHOLESALE
0.74%
1–25 of 165
Funds listed by how much of their largest holdings they share with VMCTX — not a ranking.
Data from Vanguard and its SEC filings; prices and returns from market data. Page updated October 29, 2026. Holdings and figures change over time. For information only — not investment advice.