Pharma BD Deal Intelligence

Merck & Co. Inc. / Peloton Therapeutics Inc.

2019 · Acquisition/Merger · $2.2B · Complete

CALLED IT — OFF BY 5
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The coverage arc

May 21, 2019 BioSpace Neutral

Merck will acquire privately held Peloton for $1.05 billion in cash and another $1.15 billion contingent on certain commercialization goals, for a total…

May 14, 2025 Merck WELIREG PPGL Approval Bullish

FDA approved Welireg for advanced PPGL (LITESPARK-015), third indication after VHL and RCC.

Apr 17, 2026 Merck Press Release Neutral

Merck today announced it has entered into a definitive agreement to acquire Peloton Therapeutics, a clinical-stage biopharmaceutical company focused on the…

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

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Merck acquired privately held Peloton Therapeutics for up to $2.2 billion ($1.05 billion upfront plus $1.15 billion in milestones), gaining PT2977 (belzutifan/Welireg), a novel oral HIF-2α inhibitor in late-stage development for renal cell carcinoma.

Key facts

Related deals — scored

DealYearValueOutcome
Merck & Co. Inc. / Peloton Therapeutics Inc. (this deal)2019$2.2B88
Merck & Co. Inc. / Acceleron Pharma Inc.2021$11.5B90
Merck & Co. Inc. / AstraZeneca PLC2017$8.5B87
Merck & Co. Inc. / Moderna, Inc.2022$250M86
Merck & Co. Inc. / Moderna, Inc.2016$250M84
Merck & Co. Inc. / Eisai Co., Ltd.2018$5.8B83
Merck & Co. Inc. / Prometheus Biosciences Inc.2023$10.8B77

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