Arrowhead shares shoot up as Silence Therapeutics acquires 8.4% stake

9 January 2017

British biotech company Silence Therapeutics (AIM: SLN) has paid £7.8 million ($9.6 million) to acquire an 8.4% stake in Arrowhead Pharmaceuticals (Nasdaq: ARWR).

US-based Arrowhead gained almost a quarter on the Nasdaq before close of trading on Friday. Shares in Silence Therapeutics rose 4% by noon on Monday.

Both companies are focussed on developing clinical-stage RNA therapeutics.

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