** Shares of Beamtree Holdings BMT.AX fall as much as 34.3% to A$0.178, their lowest level since April 29

** Data company's full-year net loss after tax widens to A$6.2 million ($4.03 million) from A$5.1 million reported a year ago

** About 9.5 mln shares traded, 94x the 30-day average

** Stock down 9.1% YTD, including the session's moves

($1 = 1.5389 Australian dollars)

(Reporting by Ananya Verma in Bengaluru)

((ananya.verma@thomsonreuters.com;))