Fund managers who leaned into the tech rally and AI hype cycle saw big payoffs, according to this quarter's 13-Fs. Tech-focused funds saw 15% gains year-to-date, about three times that of the average hedge fund. The group also added to top AI plays, including 16 million shares of Nvidia and 12 million shares of Microsoft. We also take a look at which fund managers went against the grain with some under-the-radar trades.