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The stake is valued at around $891.8 million.
The Greenwich, Connecticut-based firm also acquired 1.1 million shares of China's Alibaba valued at $155.1 million, bringing its total tech holdings to 46% of its portfolio.
In June, Viking founder and CEO Andrea Halvorsen said the fund would be returning $8 billion to investors as part of an effort to let its traders hold smaller, more liquid positions. He also announced Daniel Sundheim, Viking's CIO and 15-year-veteran would leave the firm.
Viking is hoping to return to prominence after a rocky 2016, which left its main fund down 4%. This year the fund is up over 9% through July, according to Bloomberg.
Shares of Alphabet were trading at $922.02 at midday in New York, up about 0.84% above its opening price.
Get the latest Alibaba stock price here.