Market News AIOpen the app

WTM stock news · White Mountains Insurance Group, Ltd.

Stories about White Mountains Insurance Group, Ltd. (WTM) from the last 90 days, each explained in plain English with whether the news reads good or bad for the company.

Get alerts for WTM

Follow White Mountains Insurance Group, Ltd. (WTM) free. When we publish a story about it, you get the plain-English explanation as an alert.

Get alerts for WTM
Free on the App Store and Google Play, or on the web.
  1. Nov 12, 2026, 4:33 PM ET · Market

    MediaAlpha will buy back 1.13 million shares from White Mountains Insurance Group for about $16 million.

    Neutral

    A White Mountains affiliate sold 1.13 million MediaAlpha shares for about $16 million, below the prior close. White Mountains still held about 11.3 million shares, or 19%, and the filing reports no wider business change.