Baupost Group, the hedge fund headed by Seth Klarman acquired a significant stake in Bellatrix Exploration based on its 13G filing with the Securities and Exchange Commission (SEC).

The filing showed that Baupost Group beneficially owned 21,839,400 shares or 11.38% stake in Bellatrix Corporation, an oil and gas exploration and production company based in Canada.

The shares of Bellatrix Corporation climbed more than 15% to $2.57 per share today, around 11:56 A.M. in New York.

The stock price of the company declined from its highest trading price of $10.70 per share to as low as $1.86 per share over the past 52-weeks. Bellatrix Corporation lost more than 65% of its stock value over the past. The company has approximately $425.21 million market capitalization

Baupost Takes Big Stakes In SunEdison, Bellatrix; Cuts Syneron Holding

Baupost boosts stake in SunEdison Semiconductor Ltd (SEMI)

Baupost increased its stockholding in Sunedison Semiconductor to 7,897,979 shares or 19.03% based on its latest 13G filing. The hedge fund previously owned 4,145,379 shares in the company.

SunEdison Semiconductor is a developer and manufacturer of silicon wafers. It has silicon manufacturing facilities in Japan, Italy, Taiwan, Malaysia, South Korea, and the United States.

The company recently received the Best Partner Award from Samsung Electronics for its outstanding products and services.

Last month SunEdison Semiconductor announced a secondary underwritten public offering of 15 million ordinary shares for $15.19 per share on behalf of its selling shareholders. The company did not receive any proceeds from the offering.

SinEdison Semiconductor will release its fourth quarter financial results on Thursday, February 19. During the previous quarter, the company posted $1.19 in losses per share and generated $213.2 million in net sales.

The shares of SunEdison Semiconductor are trading $19.87 per share, slightly down today. Over the past 52-weeks, the stock price of the company traded from $14 per share to as much as $21.40 per share. The stock price of the company gained more than 32% over the past year.

Baupost reduces stakes in Syneron Medical Ltd (ELOS)

Baupost Group also disclosed that it reduced its stake in Syneron Medical based on its 13G filing. The hedge fund sold 1,867,450 shares bringing its stake in the company to 1,127,160 shares or 3.07%.

Syneron Medical is global aesthetic device company. Last month, the company appointed Ilan Nacash to assume the newly created position of chief brand officer.  Nacash previously served as chief marketing officer of SodaStream International.

The shares of Syneron Medical are slightly down to $10.11 per share today. The stock value of the company declined from its highest trading price of $12.88 per share to as low as $8.32 per share over the past 52-weeks. The company lost 11% of its stock value over the past year.

Baupost Group is one of the best-performing hedge funds. It generated $21.5 billion in returns since its inception. The hedge fund is a value investor.