Metsera saga continues, with upped bids from Novo and Pfizer

4 November 2025

The bidding war for US obesity focused biotech Metsera (Nasdaq: MTSR), which has attracted offers from Pfizer (NYSE: PFE) and Novo Nordisk (NOV: N), and resulted in lawsuits by the US pharma giant taking legal action against the Danish firm and Metsera, has taken a further step.

Today, Novo Nordisk confirmed that it has submitted an updated, unsolicited proposal to acquire Metsera. The updated proposal has been declared superior by Metsera’s board of directors.

The acquisition of Metsera, including its early and development-stage incretin and non-incretin analogue peptide programs, would provide Novo Nordisk the opportunity to maximise the potential of Metsera’s complementary portfolio and capabilities. An acquisition would be in line with Novo Nordisk’s long-term strategy of developing innovative and differentiated medicines and treating millions more people living with obesity and diabetes and their associated comorbidities.

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