The world's best-performing mutual fund features Juul Labs as its top holding. Here are its 12 other biggest bets.

Ticker: NVDA
Industry group: Semiconductors
Position: 483,030
Net weight: 1.636%
Performance from 1/31/2018 - 1/31/2019: -41%

Ticker: TSLA
Industry group: Auto manufacturers
Position: 247,477
Net weight: 1.79%
Performance from 1/31/2018 - 1/31/2019: -14%

Ticker: WIX
Industry group: Internet content and information
Position: 710,535
Net weight: 1.831%
Performance from 1/31/2018 - 1/31/2019: +79%

Ticker: CRM
Industry group: Software
Position: 537,300
Net weight: 1.924%
Performance from 1/31/2018 - 1/31/2019: +33%

Ticker: GOOGL
Industry group: Internet content and information
Position: 75,365
Net weight: 1.999%
Performance from 1/31/2018 - 1/31/2019: -4.8%

Ticker: UNH
Industry group: Healthcare
Position: 338,500
Net weight: 2.155%
Performance from 1/31/2018 - 1/31/2019: +14%

Ticker: FB
Industry group: Internet content and information
Position: 609,841
Net weight: 2.395%
Performance from 1/31/2018 - 1/31/2019: -11%

Ticker: AAPL
Industry group: Consumer electronics
Position: 986,150
Net weight: 3.868%
Performance from 1/31/2018 - 1/31/2019: -0.6%

Ticker: AMZN
Industry group: E-commerce
Position: 112,700
Net weight: 4.564%
Performance from 1/31/2018 - 1/31/2019: +18%

Ticker: MSFT
Industry group: Software
Position: 1,865,100
Net weight: 4.59%
Performance from 1/31/2018 - 1/31/2019: +10%

Ticker: GOOG
Industry group: Internet content and information
Position: 180,175
Net weight: 4.74%
Performance from 1/31/2018 - 1/31/2019: -4.6%

Ticker: N/A
Industry group: Electronic cigarette manufacturers
Position: 898,438
Net weight: 5.283%
Performance from 1/31/2018 - 1/31/2019: N/A