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Billionaire Investor Halvorsen Bets Big on Tech Giants in Q3 2025
15 Nov
Summary
- Halvorsen's firm Viking Global added 2.4M shares of Microsoft worth $1.258B
- Netflix and DraftKings also saw major investments of $600M and $561M respectively
- Halvorsen increased stakes in 31 stocks during Q3 2025

According to the Q3 2025 13F filing submitted by Andreas Halvorsen (Trades, Portfolio), the founding partner of Viking Global Investors LP, the firm has made some significant investment moves during this period.
As of November 15, 2025, the most notable addition to Viking Global's portfolio was a 2,429,412 share position in Microsoft Corp (NASDAQ:MSFT), valued at $1.258 billion and accounting for 3.27% of the overall portfolio. The second largest new position was in Netflix Inc (NASDAQ:NFLX), with 500,812 shares worth $600.433 million, representing approximately 1.56% of the portfolio. The third largest addition was a 15,003,351 share stake in DraftKings Inc (NASDAQ:DKNG), valued at $561.125 million and making up 1.46% of the portfolio.




