Pharma BD Deal Intelligence

Gilead Sciences Inc. / YM BioSciences Inc.

2012 · Acquisition/Merger · $510M · Complete

CALLED IT — OFF BY 15
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The coverage arc

Dec 12, 2012 Gilead Sciences Bullish

Gilead to acquire YM BioSciences for ~$510 million, gaining CYT387, a once-daily selective JAK1/JAK2 inhibitor with positive Phase 1/2 myelofibrosis data,…

Aug 23, 2018 CNBC Bearish

Gilead paid $510M for momelotinib via YM BioSciences and divested it for just $3M upfront after Phase 3 trials underwhelmed, illustrating one of Gilead's…

Jun 15, 2022 BioSpace Neutral

Momelotinib is profiled as one of pharma's biggest dropped-drug comebacks: Gilead paid $510M to acquire YM BioSciences, abandoned the asset, then watched…

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Gilead tender offer at C$2.95/share cash (~$510M) for YM BioSciences. Acquired CYT387 (momelotinib), JAK1/JAK2 inhibitor for myelofibrosis with positive Phase 1/2 data in 166 patients. Phase 3 planned for H2 2013.

Did it work? Outcome assessment

Strategic verdict
Failed to Achieve
Financial impact
Impaired/Written Down
Pipeline outcome
Assets Stalled

Key facts

Related deals — scored

DealYearValueOutcome
Gilead Sciences Inc. / YM BioSciences Inc. (this deal)2012$510M17
Gilead Sciences Inc. / Pharmasset Inc.2011$11.2B98
Gilead Sciences Inc. / Triangle Pharmaceuticals Inc.2002$464M96
Gilead Sciences Inc. / CymaBay Therapeutics2024$4.4B76
Gilead Sciences Inc. / Nurix Therapeutics Inc.2019$2.3B69
Gilead Sciences Inc. / Immunomedics Inc.2020$21.0B68
Gilead Sciences Inc. / Kite Pharma, Inc.2017$11.9B67

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