Pharma BD Deal Intelligence

Eli Lilly and Company / Kumquat Biosciences, Inc.

2021 · Co-Development · $2.1B · Complete

Outcome grade pending — assessed 5 years post-close.

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The coverage arc

Jul 26, 2021 BioPharma Dive Bullish

Eli Lilly will work with San Diego-based startup Kumquat Biosciences on small-molecule oncology drugs in a deal worth up to $2.07 billion. Lilly will pay…

Jul 26, 2021 STAT News Neutral

Eli Lilly is teaming up with Kumquat Biosciences, a startup it has been quietly building a relationship with, to discover small-molecule cancer drugs that…

Aug 12, 2025 Kumquat Biosciences IR Bullish

Bayer and Kumquat enter a global exclusive license/collaboration for Kumquat's KRAS G12D inhibitor (IND cleared July 2025); up to $1.3B including upfront,…

Source summaries from our enrichment pipeline; follow links for originals.

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Eli Lilly entered an exclusive research collaboration with Kumquat Biosciences to discover and develop small-molecule immuno-oncology drugs. Kumquat received $70M (cash plus equity) upfront and is eligible for over $2B in preclinical, development and commercial milestones plus royalties on sales.

Key facts

Related deals — scored

DealYearValueOutcome
Eli Lilly and Company / Kumquat Biosciences, Inc. (this deal)2021$2.1B
Eli Lilly and Company / Boehringer Ingelheim GmbH2011$444M89
Eli Lilly and Company / Loxo Oncology, Inc.2019$8.0B88
Eli Lilly and Company / Applied Molecular Evolution Inc.2003$400M88
Eli Lilly and Company / ICOS Corporation2006$2.3B87
Eli Lilly and Company / Novartis Animal Health2014$5.4B70
Eli Lilly and Company / Incyte Corporation2009$755M69

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