WL Ross & Co on Wednesday said it completed the acquisition of 4.4m shares of the UK-headquartered LPG carrier owner from insolvent investment giant Lehman Brothers after landing the approval of a bankruptcy judge in the Southern District of New York.

In a statement, Ross said: "This was a fair transaction for all parties. It also relieves the company of the uncertainty about what would happen to the shares owned by Lehman, previously the largest single block of Navigator stock.