Oxford Nanopore Soars 47% in One of London’s Best-Ever Debuts

  • Company prices IPO at 425 pence, in top half of the range
  • Oracle-backed firm, holders raised 524 million pounds
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DNA-sequencing company Oxford Nanopore Technologies Ltd. rose as much as 47% as it started trading in London, in one of the U.K.’s best-ever market debuts.

The initial public offering valued Oxford Nanopore at 3.4 billion pounds ($4.6 billion). The debut ranks among the best on record for an IPO of its size on the London Stock Exchange, on track to beat clothing retailer boohoo Group Plc’s 40% jump by the end of its opening session in March 2014, data compiled by Bloomberg show.