Hedge funds that bet on Silicon Valley are crushing it

A string of technology-focused hedge funds are having a strong start to the year.
Among them:
Light Street Capital Management's $930 million Halogen fund is up 28.5% this year through the end of April, according to an investor document reviewed by Business Insider.  That's a strong start compared to last year, when the fund fell -1.5%. The head of the fund, Glen Kacher, started his career at Tiger Management, Julian Robertson's famous fund.
Whale Rock, a Boston-based fund run by Alexander S