Fang Zheng 's Keywise Capital is coming of a strong first quarter , during which the weighted average returns of its eight long positions in companies with a market cap of at least $1 billion totaled 10.2%. Zheng's equity portfolio remains relatively unchanged, save for one major move that has cut the value of his equity portfolio nearly in half, to $51.48 million heading into the second quarter from $96.17 million at the start of the year.