Germany's Merck to snap up Silence Therapeutics in $1.3bn deal
Germany's Merck will acquire Silence Therapeutics for $1.3bn, offering $20 per ADS, a 130% premium. Silence's chair and Merck's CEO cited strategic benefits. Silence shares surged 126%, while Merck's shares were unchanged.
How this was made

The 30-second read
Why it matters
The deal provides immediate cash value to Silence shareholders and adds pipeline depth for Merck, but short‑term price reaction is muted for Merck.
Market read
A large‑scale M&A in biotech with a significant premium, driving a sharp rally in the target and modest impact on the acquirer.
What to watch
Regulatory approval risk for Divesiran and integration challenges could affect long‑term value.
Background
Merck KGaA is expanding its RNA therapeutics portfolio after acquiring SpringWorks last year; Silence Therapeutics provides a promising siRNA candidate, Divesiran, for a rare blood cancer.
Market effects
Adds a new siRNA asset to Merck's pipeline, potentially boosting the biotech and RNA therapeutics sector.
European pharma market sees consolidation; German market may view the deal as a strategic expansion.
Highlights continued M&A activity in the global biotech space, may influence peer valuations.
Counterpoint
Merck's cash outlay could strain balance sheet and dilute earnings, weighing on its valuation.
Key entities
- CompanyMerck KGaA
German pharmaceutical company acquiring Silence Therapeutics.
- CompanySilence Therapeutics
London‑based biotech developing siRNA therapies.


