Pfizer Acquires Weight Loss Biotech Metsera, Intensifying Obesity Market Competition

VKTX
October 04, 2025

Pfizer announced on September 25, 2025, its acquisition of Metsera, a weight loss biotech, for a deal valued at up to $7.5 billion. This strategic move aims to bolster Pfizer's obesity pipeline with new therapies. The acquisition signals Pfizer's continued commitment to the lucrative weight-loss drug market, despite its earlier discontinuation of danuglipron.

The acquisition of Metsera by a pharmaceutical giant like Pfizer further intensifies the competitive landscape for companies developing obesity treatments. This event demonstrates that major players are actively seeking to acquire promising assets in this sector. It also highlights the high value placed on innovative weight-loss therapies.

For Viking Therapeutics, this development could be viewed with mixed sentiment. While it validates the significant market potential for obesity drugs, Pfizer's decision to acquire another biotech rather than Viking might temper some investor expectations regarding a potential buyout for Viking. It also introduces another well-funded competitor into the market.

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