Exploring Private Capital: How It Drives Innovation and Growth Exploring Private Capital: How It Drives Innovation and Growth Private capital refers to money invested in businesses that are not listed on public stock exchanges. In other words, it involves investing in private companies rather than buying shares of public companies like those you see on the stock market. Kiran Shroff / Wednesday, January 15, 2025 / Article rating: 5.0 Private capital refers to money invested in businesses that are not listed on public stock exchanges. In other words, it involves investing in private companies rather than buying shares of public companies like those you see on the stock market.