Ne­glect­ed on Wall Street, lit­tle Stealth Bio finds an af­flu­ent chum with $30M in cash and high hopes for their PhI­II drug

Stealth Bio­Ther­a­peu­tics nev­er had much luck at gain­ing the at­ten­tion of Wall Street $MI­TO while strug­gling to ad­vance its late-stage drug for mi­to­chon­dr­i­al dis­ease. But it turns out Alex­ion was watch­ing close­ly.

Thurs­day morn­ing the big­ger rare dis­ease biotech agreed to front $30 mil­lion —half for stock — to pick out a ring­side seat as Stealth makes its way through the fi­nal stages of a Phase III with elamipre­tide. The drug’s been tout­ed as a po­ten­tial first-in-class ther­a­py, but in­vestors nev­er bought in, watch­ing Stealth’s shares drift steadi­ly low­er af­ter pric­ing the IPO at $12.

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