My portfolio at 21 years old, any tips ?

Total is 14k

Stocks % of portfolio:

Asml 4.7%
Msft 9,5%
Bayer 9.1%
Bepc 7.6%
O 7.2%
VanLanschotKempen 6.6%
Googl 6.3%
NN 6.2%
Mpw 5.9%
Flowtraders 5.4%
AlbertHeijn (ad) 4.8%

Etfs:
Blackrock Ishares Nasdaq 5.3%
Vanguard s&p 500 5.7%
Vanguard EM 6.6%
Blackrock ishares Stoxx 600 9.1%