Who are the shareholders of Vox?

Could you elaborate on the ownership structure of Vox and provide some insight into who their shareholders are? Are they publicly traded or privately held? Are there any notable investors or venture capital firms that have a significant stake in the company? How has the shareholder base evolved over time, and what impact has this had on the company's direction and decision-making process? Understanding the makeup of Vox's shareholder base is crucial in assessing the company's overall financial health and strategic direction.