Broadcom is emerging as a big winner from an Anthropic initial public offering, making this a good time to add the semiconductor stock to portfolios, according to several Wall Street analysts. Anthropic said Monday in an S-1 filing it plans to list on the Nasdaq exchange under the ticker “ANT,” setting up Wall Street for another blockbuster IPO. This led D.A. Davidson to upgrade Broadcom to buy from neutral. It also raised its price target on shares to $400 from $350, suggesting nearly 22% upside from Monday’s close. “Our reading of the Anthropic [IPO filing] leads us to believe the IPO will proceed, Anthropic will raise its capital, and next year OpenAI will raise more capital in its own IPO, allowing Broadcom to meet its expectations for the next couple of years,” analyst Gil Luria said Tuesday in a note to clients. “At the current 16x multiple on 2027 [earnings per share], AVGO is trading as if the chances of that happening are near zero, which creates significant upside if…