Kubient Inc. Common Stock. Replay the stock market charts of KBNT day by day, back to 2003. Open long and short positions without spending any money. Kubient, Inc. develops a cloud-based software platform for digital advertising industry. It develops Audience Marketplace, a platform for real-time trading of digital, programmatic advertising. The company's platform allows advertisers and publishers the ability to use machine learning during programmatic advertising inventory space auction. The company was incorporated in 2017 and is based in New York, New York.