** Shares of online wagering provider and bookmaker BlueBet Holdings BBT.AX rise 9.1% to A$0.36

** Co says it will acquire Australian sports and racing betting company Topsport for A$15 mln ($9.36 mln)

** Says acquisition brings it closer to its target of 10% to 15% market share in Australia

** Stock earlier rose as much as 10.7%

** About 1.6 mln shares change hands, 5x the 30-day average

* Stock has risen 16.67% YTD, including session's moves

($1 = 1.6026 Australian dollars)

(Reporting by Jasmeen Ara Shaikh in Bengaluru)

((Jasmeenaraislam.shaikh@thomsonreuters.com))