BioMarin’s $4.8B Deal to Acquire Amicus Therapeutics (FOLD) Puts Rare Disease Innovation in the Spotlight


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BioMarin’s $4.8B Acquisition of Amicus Therapeutics (FOLD) Signals Confidence in Rare Disease Therapies

All-Cash Acquisition Strengthens BioMarin’s Rare Disease Pipeline

The biotech sector saw a significant development this morning with BioMarin Pharmaceutical’s definitive agreement to acquire Amicus Therapeutics (NASDAQ:FOLD) in a $4.8 billion all-cash transaction. At $14.50 per share, the deal highlights how high-growth rare disease drugs are driving industry consolidation. Two major therapies come with the deal—Galafold for Fabry disease and the combination Pombiliti + Opfolda for Pompe disease—together accounting for $599 million in revenue over the last year.

Strategic Impact: Patent Resolution Boosts Long-Term Value

This move doesn’t just add immediate revenue; it cements BioMarin’s foothold in enzyme therapies. Importantly, a recent U.S. legal resolution has extended Galafold’s market exclusivity to 2037, erasing a key patent overhang and giving BioMarin improved visibility on future cash flows. Management expects the acquisition to accelerate revenue growth and deliver accretion to non-GAAP EPS within a year, with more substantial gains projected by 2027.

Financing Terms Reflect Solid Institutional Commitment

BioMarin plans to fund the acquisition using cash on hand and $3.7 billion in new debt, while outlining a clear path to deleverage to below 2.5x gross leverage within two years. No financing contingencies stand in the way. The table below summarizes key details of the deal:

Buyer Target Deal Value (USD) Price Per Share Revenue Added Key Products
BioMarin Amicus Therapeutics (FOLD) $4.8 Billion $14.50 $599 Million Galafold, Pombiliti + Opfolda

Industry Outlook: Why Rare Disease Drugs Command Premiums

The deal underscores how innovation and IP protection make rare disease drugs prized assets. In niche therapy areas, strong patent walls, high barriers to entry, and concentrated prescriber bases translate into durable revenue streams. Galafold’s new exclusivity through 2037 and Pombiliti + Opfolda’s momentum could give BioMarin an edge as insurers and healthcare systems increasingly prioritize specialized, high-value treatments.

What to Watch Next: Will BioMarin Realize Synergies—and Who’s Next?

While integration and regulatory steps remain, this acquisition highlights the competitive urgency for scale and innovation in biotech. For investors and industry watchers, it raises important questions: Will BioMarin’s strategy inspire further consolidation? How quickly can accretion targets be achieved, and what synergies could be unlocked between existing and newly acquired portfolios? With patent litigation resolved, attention now shifts to the post-deal execution and ongoing competition in rare disease therapy development.


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