ETF · holdings as of 2026-06-30
What's inside VIIIX?
VANGUARD INSTITUTIONAL INDEX FUND
- Holdings
- 506
- positions in the fund
- Top 10
- 36%
- of fund assets
- Expense ratio
- 0.02%
- net, per year
- Fund size
- $350B
- total net assets
Hold VIIIX alongside other funds? See your combined true holdings, overlap, and blended fees — free, no signup.
Unwrap your portfolio →Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | N  | NVDANVIDIA CORP | 7.52% | |
| 2 | A  | AAPLAPPLE INC | 6.59% | |
| 3 | M  | MSFTMICROSOFT CORP | 4.30% | |
| 4 | A  | AMZNAMAZON.COM INC | 3.62% | |
| 5 | G  | GOOGLALPHABET INC-CL A | 3.25% | |
| 6 | A  | AVGOBROADCOM INC | 2.77% | |
| 7 | G | GOOGALPHABET INC-CL C | 2.59% | |
| 8 | M  | MUMICRON TECHNOLOGY INC | 2.02% | |
| 9 | M  | METAMETA PLATFORMS INC-CLASS A | 1.92% | |
| 10 | T  | TSLATESLA INC | 1.84% | |
| 11 | L  | LLYELI LILLY & CO | 1.47% | |
| 12 | A  | AMDADVANCED MICRO DEVICES | 1.47% | |
| 13 | B  | BRK.BBERKSHIRE HATHAWAY INC-CL B | 1.42% | |
| 14 | J  | JPMJPMORGAN CHASE & CO | 1.25% | |
| 15 | I  | INTCINTEL CORP | 1.02% | |
| 16 | J  | JNJJOHNSON & JOHNSON | 0.95% | |
| 17 | A  | AMATAPPLIED MATERIALS INC | 0.89% | |
| 18 | E  | EXMOCEXXON MOBIL CORP | 0.88% | |
| 19 | V  | VVISA INC-CLASS A SHARES | 0.85% | |
| 20 | L  | LRCXLAM RESEARCH CORP | 0.84% |
Top holdings — Information Technology
Your 10 largest positions in this sector
1
N
NVDANVIDIA CORP
7.52%2
A
AAPLAPPLE INC
6.59%3
M
MSFTMICROSOFT CORP
4.30%4
G
GOOGLALPHABET INC-CL A
3.25%5
A
AVGOBROADCOM INC
2.77%6
G
GOOGALPHABET INC-CL C
2.59%7
M
MUMICRON TECHNOLOGY INC
2.02%8
M
METAMETA PLATFORMS INC-CLASS A
1.92%9
A
AMDADVANCED MICRO DEVICES
1.47%10
I
INTCINTEL CORP
1.02%Top holdings — United States
Your 10 largest positions in this country
1
N
NVDANVIDIA CORP
7.52%2
A
AAPLAPPLE INC
6.59%3
M
MSFTMICROSOFT CORP
4.30%4
A
AMZNAMAZON.COM INC
3.62%5
G
GOOGLALPHABET INC-CL A
3.25%6
A
AVGOBROADCOM INC
2.77%7
G
GOOGALPHABET INC-CL C
2.59%8
M
MUMICRON TECHNOLOGY INC
2.02%9
M
METAMETA PLATFORMS INC-CLASS A
1.92%10
T
TSLATESLA INC
1.84%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
Funds similar to VIIIX
VINIXVANGUARD INSTITUTIONAL INDEX FUND
100% overlap
VFINXVANGUARD 500 INDEX FUND
100% overlap
VOOVANGUARD 500 INDEX FUND
100% overlap
VFIAXVANGUARD 500 INDEX FUND
100% overlap
PREIXT. Rowe Price Equity Index 500 Fund
99% overlap
HLEIXJPMorgan Equity Index Fund
99% overlap