China's State-owned enterprises made major progress in transferring their assets into listed companies during 2012, according to the latest official figures.

By the end of last year, 953 State-owned companies had gone public, accounting for 38.5 percent of all the companies listed on A-share market, said the State-owned Assets Supervision and Administration Commission, or SASAC, on Thursday.

The companies had a total market value of 13.71 trillion yuan ($2.2 trillion), worth more than half that of the total market, the data released by the SASAC showed.