When it comes to his investing strategy, Jeff Wrona prefers to keep his cards close to his chest.
The manager of the True Rock Fund (TRUEX) has crushed the market in 2026 by returning 49%. As of February, his top holding was SanDisk (SNDK) at a 9.2% weighting. Today, Wrona won’t confirm whether or not he still owns the stock at all.
The caginess is understandable. Wrona has built a strategy that works for him, and he doesn’t want to share the recipe for the secret sauce. He uses a long-short approach and buys options. His turnover, or the pace at which he is flipping his holdings in a year, is a staggering 685%. That’s in the top 1% of all funds, Morningstar data shows.
This fast-moving approach…






