Shares of Invisalign maker Align Technology ALGN.O rise 5.8% to $182.38 premarket
Elliott Investment Management has built significant stake in co, Bloomberg News reported on Wednesday
Activist fund is planning to engage with Align to encourage it to explore ways to lift company's stock price, according to report, citing people familiar with the matter
Elliott's stake in Align makes it one of its largest investors, report added
Elliott and Align Technology did not respond to Reuters' request for comment
Up to last close, ALGN up 10.4% YTD