Lock-up shares worth about 137 billion yuan (about 21 billion U.S. dollars) will become eligible for trading on China's bourses next week, the highest weekly market cap in June.
Over 7.7 billion shares will become tradable on the Shanghai and Shenzhen stock exchanges, according to financial information website jrj.com.
Guotai Junan Securities will contribute the largest amount of lock-up shares, with some 2.78 billion shares becoming tradable next Tuesday.
Under China's market rules, major shareholders must wait one to two years before they are permitted to sell their shares.
Chinese stocks mildly rebounded Friday, with the benchmark Shanghai Composite Index up 0.49 percent to end at 2,889.76 points. The Shenzhen Component Index closed 1 percent higher at 9,409.95 points.
