His father also founded and is the chairman of Tiger Management, a hedge fund in New York.
A spokesman for Tiger Management said yesterday that the fund had plenty of ready cash and could cover its investor redemptions four times over.
On his return, in 1980 Robertson launched Tiger Management with initial investments from friends and family.
Another big hedge fund with a strong long-term record, the $14 billion Tiger Management, dropped 7.5 percent in the quarter, according to an investor.
Consider Tiger Management, which held about $7 billion in stocks at the end of last year, according to securities filings.
The principal partner of Tiger Management, one of the most successful hedge funds.
A spokesman for Tiger Management would not comment.
He is now working for Tiger Management, a money manager in New York.
Officials for Tiger Management, which is based in New York, declined to comment further.
In September, Joyo got $52 million investment from Tiger Management.