Tom Gayner, president and chief investment officer of Markel Corporation (NYSE:MKL) purchased several new stocks during the last quarter, based on the insurance firm’s latest 13f filing with the Securities and Exchange Commission for the fourth quarter of 2012.

Hedge Funds

Tom Gayner’s Markel Capital Management acquired 12,000 shares of Liberty Media Corp (NASDAQ:LMCBD), 9,000 shares of Bunge Ltd (NYSE:BG), 56,000 shares of Arch Coal Inc (NYSE:ACI), 15,375 shares of Resolute Forest Products, Inc (NYSE:RFP), and 200,000 shares of Quaterra Resources Inc Ordinary Shares (NYSEAMEX:QMM).

Gayner also boosted the holdings of his fund in Northfolk Southern Corp. (NYSE:NSC) by 50,700 shares to 72, 100 shares. His firm purchased its stakes in the company within the price range of $56.34 to $67.71 per share. Markel Capital Management purchased an additional 46,400 shares of Natural Resources Partners LP (NYSE:NRP) at an average price of $19.56 per share. Its total holdings in the company were 101,400 shares by the end of December 2012.

The insurance firm also increased its position in National Oilwell Varco, Inc. (NYSE:NOV), by 18,000 shares and Alpha Natural Resources, Inc. (NYSE:ANR) by 56,500 shares. Markel bought its shares in National Oilwell Varco and Alpha Natural Resources at an average price of $74.79 and $8.25 per share, respectively.

Markel also added stakes in Archer Daniels Midland Company (NYSE:ADM) by 81,500 shares, Alliance Holdings GP, L.P. (NASDAQ:AHGP) by 85,000, Calamos Asset Management, Inc (NASDAQ:CLMS) by 100,000 shares, and Leucadia National Corp. (NYSE:LUK) by 74,500 shares.

During the quarter, the Markel Corporation (NYSE:MKL) bought an additional 48,400 shares of Teva Pharmaceutical Industries Ltd (ADR) (NYSE:TEVA), 10,400 shares of Johnson & Johnson (NYSE:JNJ), 31,500 shares of Hasbro, Inc. (NASDAQ:HAS), 15,200 shares of The Procter & Gamble Company (NYSE:PG), and 2,000 shares of NIKE, Inc. (NYSE:NKE).

Gardner reduced its holdings in Union First Market Bankshares Corp. (NASDAQ:UBSH) by 880,348 shares to more than 2.6 million shares. His firm also sold 20,000 shares of Vodafone Group Plc  (LON:VOD) (NASDAQ:VOD), 186,796 shares of SYSCO Corporation (NYSE:SYY), and 10,762 shares of CarMax, Inc (NYSE:KMX), among others.

Last December, Gayner announced that Markel Corporation (NYSE:MKL) will purchase Alterra Capital Holdings Inc (NASDAQ:ALTE), a company engaged in providing diversified specialty insurance and reinsurance products globally for $31 per share or $13.3 billion. The transaction is expected to close within the first quarter of 2013.

Markel Assets Management held 102 stocks with approximately $2.4 billion market values, as of December 31, 2012.