Steven Breazzano
Long/short equity, deep value, contrarian

Prothena: Recent Sell-Off On Positive Data Creates Buying Opportunity

Prothena Corporation (NASDAQ:PRTA) is an early-stage, biotechnology company developing targeted antibody-based therapies for patients with AL amyloidosis, Parkinson's disease, and inflammatory / oncology conditions. Prothena's business is derived from Elan Pharmaceuticals (developers of now Biogen's successful Tysabri), and consists of a substantial portion of Elan's former drug discovery business platform, as well as its management team. PRTA's shares began trading on the NASDAQ on December 21, 2012 at $8/share. Since then, the shares have risen to as high as $49/share on the initial release of positive Phase 1 data for lead candidate NEOD001 in patients with amyloidosis in mid-March. Recently, the shares have fallen dramatically to approximately $21/share on the release of additional, patient level data of...

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