Arbutus Biopharma Corporation (ABUS)

[Ubertino]

It was revealed in a filing yesterday with the U.S Securities and Exchange Commission that RA Capital Management has opened a large, passive position in Tekmira Pharmaceuticals Corporation . The filing dates back to January 12, the same day Tekmira experienced a more than 50% jump in their stock price after their announced merger with OnCore Biopharma, and shows that RA Capital has acquired 2.21 million shares of Tekmira, 9.9% of all common shares.