The "round size" refers to the total amount of investment capital that a company secures during a specific round of funding. This capital is typically raised from one or more investors, which can include venture capital firms, private equity investors, angel investors, or institutional investors.
The round size can vary significantly based on a number of factors including the company's stage of development, its financial performance, the industry in which it operates, and the current economic climate. For early-stage startups, a funding round might raise a few hundred thousand to a few million dollars, while for more mature companies, a funding round might secure several million or even billion dollars.
The round size not only provides financial resources for the company to achieve its business objectives, but it also sends a signal to the market about the company's growth prospects and the confidence of investors in its potential for success.