Onfolio Holdings Inc. Common Stock. Replay the stock market charts of ONFO day by day, back to 2003. Open long and short positions without spending any money. Onfolio Holdings, Inc. acquires and manages a diversified and profitable portfolio of online businesses. It provides website management services; advertising and content placement services on its websites; and product sales on various sites. The company was founded in 2018 and is based in Wilmington, Delaware.