By Bret Jensen:Sirius XM (SIRI) shareholders tend to be some of the most impassioned in the investing universe. Articles on the stock tend to be some of the most commented on aricles on Seeking Alpha. The stock frustrated holders in 2011 as the stock meandered in a somewhat narrow range and ended the year pretty much at the same level it was in February. However, the stock has had a great run in early 2012.
By Little Apple:Wow, what just happened to Sirius XM (SIRI) stock over the last week? Just a week ago the high was $2.24 right before Liberty Media (LMCA) began buying it on the open market. After Liberty's two day buying spree last Tuesday and Wednesday, Sirius went back up to $2.21.
ByScott Moll:It is now 2013 and with a new year comes change. One company that has embodied this concept is Sirius XM Radio (SIRI). Sirius XM has recently reached a new 4 year trading high, when on Thursday (1/10/13) the stock soared to $3.19. Sirius XM's stock has enjoyed a 9.3% increase since the start of 2013. This bullish run has easily beat the market.
Sirius XM Holdings Inc. (SIRI), the largest radio broadcaster by revenues, adds another $2 billion – 9.8% of its current market cap – to its share buyback program. The company had repurchased shares in December 2012 and October 2013. Sirius, which has now been authorized to repurchase a total $6 billion worth of common stock, is expected to trade up in today’s session.
Satellite radio Sirius XM (SIRI), is expected to beat its own guidance when it reports its Q4 2012 earnings on February 5. The company will report record 2 million net subscriber additions for the full year 2012, surpassing its earlier expectation of 1.8 million. 
By John Mylant: Sirius XM (SIRI) has been very healthy this last half of 2012 with a consistent bullish run. There are a couple reasons for this. It has managed its operations well and also has gotten a favorable audience with those who determine its royalty costs. Let's take a look at what is making the stock healthy and then determine what it will take to keep Sirius healthy long term.
By Spencer Osborne: As many investors are aware Liberty Media (LMCA) is in the midst of trying to gain control of Sirius XM (SIRI). The process actually started 3 and a half years ago when Liberty essentially saved Sirius XM from bankruptcy by loaning the satellite radio outfit just over $500 million so that Sirius XM could take care of certain debt obligations.
By Stock Croc:Sirius XM (SIRI) CEO Mel Karmazin's behavior seems to be getting weirder by the day. Karmazin has his legal team fighting hard to keep Liberty Media (LMCA) from taking over his company, and he's selling off a large block of Sirius stock at the same time.
By Stock Croc:Are things looking up for satellite radio provider Sirius XM Radio (SIRI) after Liberty Media (LMCA) made more moves to takeover the company? While this may be great for Liberty Media investors, it could spell doom for those of Sirius.
By Hawkinvest:Sirius XM Radio, Inc. (SIRI) shares started 2012 out at about $1.80, and have since rallied with the markets to around $2.24 per share. That's a gain of about 20% in just the first few months of the year.