** Shares of U.S. biopharmaceutical company CDT Equity CDT.O rise 11.79% to $1.04 premarket
** Co says it will buy a 20% stake in UK-based AI firm Sarborg for $115 mln to deepen their partnership
** Sarborg uses AI to analyze biological, chemical and industrial data to help companies make scientific and commercial decisions, co says
** CDT says the deal will give shareholders exposure to Sarborg's growth beyond pharma; payment to be made via new shares and warrants
** Co says an additional $8 mln could be paid based on future fundraising
** Shares down ~100% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))