Has Dutch Bros stock been a winner so far? The answer depends on how you measure success.Coffee chain Dutch Bros (BROS +0.26%) has been around since 1992, but joined the public stock market much later. The company raised $557 million in its initial public offering (IPO) on Sept. 17, 2021.How have early investors fared in the roughly four years since then? Dutch Bros beat the market, but just barelyAs of Dec. 9, Dutch Bros stock has gained 60.6% since the IPO. The S&P 500 (^GSPC 0.33%) stock market index ros ...