Stock market anomaly | Andersen Group (ANDG.US) lands on the US stock market with stocks rising over 30%

According to the Wise Finance App, on Thursday, Andersen Group (ANDG.US) made its debut on the US stock market. As of the time of writing, the stock has risen over 30% to $20.87. The IPO price was $16. The group was founded in 2002 by the leadership team and partners of the former Andersen accounting firm, providing independent tax, valuation, and financial advisory services to individuals, family offices, corporations, and institutional clients. As of September 30, 2025, the group has served a customer base of over 11,900 in the United States.