Kirkland & Ellis advised secondaries firm Willowridge Partners on its Amberbrook IX fund, which was oversubscribed and closed at a size of $900 million. The firm’s ninth fund is focused on investing in mature private capital funds. Willowridge committed $50 million of the total subscriptions. With the close of the new fund, Willowridge has raised almost $3 billion in capital since 1995 and completed more than 700 transactions. Read the Wall Street Journal’s coverage The Kirkland team was led by investment funds partners Sean Hill and Scott Lenahan and associate Wilhelm Dietz and tax partner Marguerite Lombardo.