Alexandria Venture Investments, based in California, backs life sciences, food/agriculture, and healthtech startups at Seed, Series A, and Series B, and can lead rounds.
4 people on the investing team, 1 of them partners who can make the call. Partners are listed first.



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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Alexandria Venture Investments reports entry at seed, series a, series b.
Alexandria Venture Investments has not reported a check size.
Yes. Alexandria Venture Investments says it can lead.
Joel S. Marcus (Executive Chairman & Founder; founded and leads Alexandria Venture Investments).
No recent activity since September 2026.
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