BUZZ-Tekmira Pharmaceuticals Corp: RA Capital takes 9.9 pct stake
** Canadian biopharmaceutical company's U.S.-listed stock up 2 pct at $24.02 after market
** Hedge fund RA Capital Management reports a 9.9 pct passive stake, making it Tekmira's largest shareholder (1.usa.gov/1yH1AcA)
** Up to Tuesday's close, U.S.-listed shares had risen 85 pct in the past 12 months
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