JERSEY CITY, N.J.—Verisk Analytics Inc., parent company of Insurance Services Office Inc., said Wednesday it has raised about $1.9 billion in an initial public offering of Class A common stock.

Jersey City, N.J.-based Verisk, which began trading its shares Wednesday on the NASDAQ Global Select Market under the ticker symbol VRSK, said it sold nearly 85.3 million shares at $22 per share.

Verisk provides risk assessment services in insurance and risk management, among other areas. Its businesses include Boston-based ISO subsidiary AIR Worldwide Corp., which provides catastrophe modeling.

Verisk said it will not receive any proceeds from the sale of shares in the offering. Proceeds will go to the selling stockholders.