SoftBank Group (SFTBY) has taken a stake of about 6% in DNA-sequencing company Pacific Biosciences of California (PACB), Giles Turner of Bloomberg reports, citing a person with knowledge of the investment.

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The stake is currently worth more than $350M and highlights the expanding portfolio of public equity investments by SoftBank's asset management unit SB Northstar, the source told Bloomberg.

Shares of Pacific Biosciences are up 15%, or $4.88, to $37.77 following the report.