Japan Airlines Co.'s ¥663 billion initial public offering, the largest since Facebook Inc., has drawn orders for all the stock being sold, according to two sources with knowledge of the transaction.

The government-backed Enterprise Turnaround Initiative Corp. is offering 175 million shares for ¥3,500 to ¥3,790 apiece.

International investors, which will be allocated about 25 percent of the IPO shares, have already put in orders for about twice that amount, said one source, who declined to be identified because the information is private. The other 75 percent, set to be sold to Japanese institutional and retail investors, is also covered, the source said.