** Shares of Pinnacle Investment Management Group PNI.AX rise as much as 9.5% to A$18.83, its highest level since Nov 6, 2025

** Shares post biggest intraday pct jump since early August 2025

** Co reports record inflows of A$17.2 billion ($12.07 billion) for H1FY26, declares interim dividend of 29 Australian cents per share, a 7% increase

** Co says it will buy the remaining about 79% of membership interests in Pacific Asset Management that it does not currently hold for 212.4 million pounds ($291.03 million)

** Shares lost 1% in January

($1 = 1.4247 Australian dollars)

($1 = 0.7298 pounds)

(Reporting by Nichiket Sunil in Bengaluru)

((Nichiket.Sunil@thomsonreuters.com))