What is Lone Pine Capital and why are they investing in Seattle unicorns?

Lone Pine Capital is an American hedge fund headquartered in Greenwich, Connecticut. They have invested in Convoy and Outreach, two unicorn startups based out of Seattle region. GeekWire team suspects there is now more money available for investments that ever before, and with the interest rates going up, investing in more risky asset classes, like unicorn startups, is allowing this firm to diversify their portfolio.