Billionaire Twins Cut Bet on Covid Vaccine Maker After 550% Gain

  • Struengmann brothers are selling part of their BioNTech stake
  • German siblings first bet on firm as seed investors in 2008

BioNTech’s Covid-19 vaccine production laboratory in Marburg, Germany.

Photographer: Cyril Marcilhacy/Bloomberg
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The twin brothers behind one of the world’s biggest pharmaceutical fortunes are cutting their major holding in a maker of Covid-19 vaccines as demand for the shot wanes.

An investment firm for Thomas and Andreas Struengmann disclosed sales of about $110 million of BioNTech SE shares this year and filedBloomberg Terminal last month to offload almost double that sum in one of the billionaires’ biggest selling sprees for the New York-listed stock, according to regulatory disclosures.