** Shares of SiriusXM Holdings up 3% at $28.45 premarket after Warren Buffett's Berkshire Hathaway disclosed increased stake in satellite-radio firm ** Berkshire bought ~1.6 mln shares worth about $42 mln from Weds-Fri last week, bringing total holdings to ~110.3 mln shares, according to SEC filing late Fri ** Buffett, who bought ~3.6 mln shares the week prior, now owns ~32.5% of the 339.1 mln SIRI shares outstanding ** SiriusXM began trading as an independent public co last month after completing split-off and merger deal with billionaire John Malone's Liberty Media
** Through Fri, SIRI has rallied ~21% over the past two weeks. Stock has halved YTD
(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))
Comments