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MF · holdings as filed 2026-03-31

What's inside BIOIX?

BARON OPPORTUNITY FUND
Holdings
48
positions in the fund
Top 10
62%
of fund assets
Expense ratio
1.05%
net, per year
Fund size
$2B
total net assets
Top 15 holdings
1
NVDANVIDIA CORP
13.26%
2
—Space Exploration Technologies
9.33%
3
AVGOBROADCOM INC
6.28%
4
AMZNAMAZON.COM INC
6.25%
5
—SPACE EXPLORATION TECH CORP
6.03%
6
TSLATESLA INC
5.41%
7
SPOTSPOTIFY TECHNOLOGY SA
3.97%
8
METAMETA PLATFORMS INC-CLASS A
3.86%
9
GOOGLALPHABET INC-CL A
3.80%
10
LLYELI LILLY & CO
3.41%
11
TSMTAIWAN SEMICONDUCTOR-SP ADR
2.55%
12
ARGXARGENX SE - ADR
2.12%
13
VVISA INC-CLASS A SHARES
1.86%
14
IOTSAMSARA INC-CL A
1.83%
15
MAMASTERCARD INC - A
1.74%
Sectors
1Information Technology
55%
2Unclassified
16%
3Consumer Discretionary
12%
4Health Care
9%
5Communication Services
4%
6Industrials
3%
7Financials
1%
8Materials
1%
Geography
1United States
77%
2Unclassified
16%
3Luxembourg
4%
4Canada
2%
5Switzerland
1%
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Data source: official SEC Form N-PORT filings (as of 2026-03-31); 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.