Neuron23 is a Biotech company based in South San Francisco, California. It has raised $214M in total funding. Latest round: Series D.
Neuron23 is a Biotech company based in South San Francisco, California. Neuron23 has raised $214M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Series D. Investors on record include SoftBank Vision Fund 2, Westlake Village BioPartners, Kleiner Perkins, Redmile Group, Cowen Healthcare Investments, Acorn Bioventures and 3 others. 9 distinct backers are named across the disclosed rounds.
Totals shown for Neuron23 aggregate every disclosed round on file. To see how that compares, browse the Biotech companies in South San Francisco and the investors behind them below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026