** Allegro MicroSystems' ALGM.O shares down 6.2% at $25.96
in extended trading as co looks to raise equity
** Sensor integrated circuits provider launches 25 mln share
offering
** Barclays, Morgan Stanley and UBS jt bookrunners
** Manchester, N.H.-based Allegro to use net proceeds along
with cash or loan facility borrowings to repurchase shares from
majority shareholder Sanken Electric Co 6707.T
** Japanese semiconductor firm Sanken owns ~98.5 mln ALGM
shares, or ~50.83% stake, per LSEG data
** ALGM shares on Tues closed down 4.3% at $27.66. Stock has
lost 8.6% YTD and ~42% over the past 12 months
(Lance Tupper is a Reuters market analyst. The views expressed
are his own)
((lance.tupper@thomsonreuters.com
lance.tupper@tr.com 1-646-279-6380))