(Yicai Global) Oct. 17 -- Pony Ma, the founder, chairman and chief executive of the Chinese internet giant Tencent Holdings Ltd. [HK:0700], cashed in shares worth USD270 million (HKD2.1 billion) last week, while the firm's stock traded near record highs.

Ma sold 6 million Tencent shares, offloading 1.5 million per day over four trading days starting Oct. 10, Hong Kong Stock Exchange data show. The average price of the shares was between HKD348.09 and HKD351.83.

With the transactions, Ma's reduced his stake in Tencent to about 820 million shares representing an 8.63-percent holding.

Ma sold 2 million Tencent shares worth HKD640 million from Sept. 5 to 7, Hong Kong Stock Exchange information shows.

Tencent President Liu Chiping sold 600,000 shares for about HKD346 apiece on Sep. 22, cashing in for around HKD207 million.

Tencent stock has nearly doubled since the end of last year.

The stock fell 0.22 percent to HKD354.8 today, with a market capitalization of about HKD3370.2 billion.