White Mountains Insurance Group Ltd Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 26 trades in White Mountains Insurance Group Ltd (NYSE: WTM) since 2020, across 2 members, worth an estimated $703.01K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 15 buys against 11 sells, a modestly buy-led skew, with Democratic members responsible for 0% of the trades and Republican members 100%. The most recent disclosure shown was filed October 2025, and Michael T. McCaul has filed the most WTM transactions among those shown, with 3. One notable disclosed move was a purchase by Michael T. McCaul on September 22, 2025, up 22.8% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the White Mountains Insurance Group Ltd (WTM) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
White Mountains Insurance Group congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | Owner | |
|---|---|---|---|---|---|---|---|---|
 Michael T. McCaul House | Oct 10, 2025 | Sep 22, 2025 | 18 days | BUY |  $15,001 - $50,000 | +22.81% | Spouse | |
Michael T. McCaul House | Sep 11, 2025 | Aug 21, 2025 | 21 days | SELL | $15,001 - $50,000 | +17.78% | Spouse | |
Michael T. McCaul House | Sep 11, 2025 | Aug 20, 2025 | 22 days | BUY | $1,000 - $15,000 | +18.07% | Spouse |
White Mountains Insurance Group (WTM) congressional trading FAQ
Can members of Congress legally trade White Mountains Insurance Group (WTM) stock?
Yes. Members of Congress are permitted to trade individual stocks, including White Mountains Insurance Group (WTM), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; it does not imply any trade was improper.
Are congressional White Mountains Insurance Group (WTM) trades public?
Yes. Every congressional trade in White Mountains Insurance Group (WTM) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded White Mountains Insurance Group (WTM)?
Members of Congress have disclosed 26 trades in White Mountains Insurance Group (WTM) worth $703.01K across 2 members, according to public STOCK Act filings.
Which members of Congress have traded White Mountains Insurance Group (WTM)?
Recent and active filers of White Mountains Insurance Group (WTM) disclosures include Michael T. McCaul. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade White Mountains Insurance Group (WTM) more?
Across disclosed White Mountains Insurance Group (WTM) trades, 0% were by Democrats and 100% by Republicans, led by Republicans (100%).
What is the most recent congressional White Mountains Insurance Group (WTM) trade?
The most recent disclosed White Mountains Insurance Group (WTM) trade was a purchase by Michael T. McCaul, filed Oct 9, 2025.
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Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.