What Biotech Can Teach Us About Long Duration Investing
Every investor in long-duration, capital-intensive sectors eventually faces the same question: what do you do when the exit markets close and your companies still need years of funding?
Keith Crandell answered it the hard way. His firm, ARCH Venture Partners, started as a University of Chicago experiment with a $9 million fund that took 15 months to raise, then hit biotech’s “nuclear winter,” leading to six years in the 1990s with just a single portfolio IPO.
In this conversation with S2G’s Aaron Rudberg from this year’s S2G Summit, Keith walks through the strategies he has honed over the last three decades: licensing narrow “slices of salami” to strategic partners without giving away the core company, treating government grants like a syndicate member, viewing the IPO as a funding event rather than an exit, and scouring the globe to consolidate the IP and talent of the dozen teams working on the same breakthrough. Decades later, that playbook produced the Metsera sale to Pfizer. Keith closes with where he thinks GLP-1s and longevity science go from here.
Key Takeaways
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Keith explains that selling a big partner rights to one narrow use of your technology brings in money without giving away what makes the company valuable, but the skill is in the thickness: slice too thick and you undercut your own product, too thin and partners won’t bite.
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According to Keith, in biotech venture, it pays to deliberately add an extra investor group to a syndicate even though it dilutes your ownership because a super-strong insider syndicate can carry a company all the way to IPO.
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Keith notes that over a ten-year stretch, ARCH’s portfolio companies raised nearly a billion dollars in non-equity funding from government and nonprofit sources, more than the fund itself had invested.
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Keith explains that because trials require enormous capital, going public is an intermediate step, and ARCH now starts the IPO process with insiders committing roughly half the book so companies can go public on their own timing.
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Keith’s rough math is that a third of companies go public, a third get sold, and a third don’t work out, so the model is engineered for durability across a cycle rather than staying in the game hoping for a single fund-returning hit.
Tonya Bakritzes: Last year, Keith Crandell’s firm made over $2 billion on a single deal. Pfizer bought Metsera, an obesity drug company, for $10 billion and ARCH Venture Partners was its largest shareholder.
But this conversation isn’t really about that win. It’s about what it took to get there, including the six-year stretch when his portfolio produced exactly one IPO.
Biotech has a lot in common with the sectors we work in: long timelines, real technical risk, large capital needs, and boom-bust cycles that bankrupt companies for reasons beyond whether the science works.
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