Amicus Therapeutics (FOLD) Stock Today: BioMarin’s $4.8B Cash Buyout at $14.50 Resets the Outlook (Dec. 20, 2025)
December 20, 2025 — Amicus Therapeutics, Inc. (NASDAQ: FOLD) has abruptly shifted from a “rare-disease growth story” to a merger-arbitrage stock after BioMarin Pharmaceutical announced a definitive, all-cash acquisition valued at roughly $4.8 billion. The headline number for shareholders: $14.50 per share in cash, a premium of about 33% to Amicus’ prior close. Reuters+2BioMarin Corporate+2 On December 19, FOLD shares surged and closed at $14.18, just below the cash consideration—leaving a small spread that now reflects time to close, regulatory clearance, and deal risk rather than day-to-day biotech sentiment. Finviz+1 Below is a comprehensive roundup of the latest news, forecasts,