Bayforest Capital Ltd has sharply reduced its stake in Bio-Rad Laboratories, Inc., selling 194 shares during the first quarter. The latest regulatory filing confirms a 53.2% decrease in the company’s holdings of the medical research firm.

Bayforest Capital Ltd has taken a new position in Advanced Micro Devices, acquiring 458 shares valued at about $47,000. The move, which took place during the first quarter, reflects a continuing trend among hedge funds recalibrating their semiconductor holdings.