WHITE MOUNTAINS INSURANCE GROUP LTD(WTM)Stock Analysis
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Rank #11 of 2,961 stocksTOP 1%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.
WTM Stock Analysis & AI Quality Score
Data updated 2026-09-11AI stock analysis and institutional research for WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), a Financials sector company. 13F Pro's AI-powered ranking engine scores WTM at 84.1/100 on a 32-signal composite quality model, placing it at rank #11 of 2,961 stocks — the top 1% of the AI-ranked universe. Based on the latest XBRL financial filings (Q2 2026), WHITE MOUNTAINS INSURANCE GROUP LTD reports quarterly revenue of $844.6M, net income of $199.5M. Top institutional holders of WTM by reported 13-F value include DIMENSIONAL FUND ADVISORS, Neuberger Berman Group, BlackRock, based on the most recent SEC filings. WTM trades on the NYSE exchange and files with the SEC under CIK 776867. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate WTM daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for WHITE MOUNTAINS INSURANCE GROUP LTD directly from SEC EDGAR. WHITE MOUNTAINS INSURANCE GROUP LTD's 13F Pro composite quality score has ranged between 49 and 86 since 2026, currently 84.1 — an improving long-term trajectory across 48 quarterly and live scoring snapshots.
Revenue
Q2 2026
$844.6M
Net Income
Q2 2026
$199.5M
ROIC
Q2 2026
16.2%
D/E Ratio
Q2 2026
0.17
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · ProRevenue
+66.8% YoYNet Income
+380.2% YoYEPS (Diluted)
+379.1% YoYTotal Assets
+24.0% YoYTotal Debt
+48.8% YoYOp. Cash Flow
-6.2% YoY| Metric | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 |
|---|---|---|---|---|---|---|
| Revenue | $3.73B +66.8% | $2.24B +3.4% | $2.17B +87.1% | $1.16B +88.5% | $614.4M -31.4% | $895.6M |
| Net Income | $1.11B +380.2% | $230.4M -54.8% | $509.2M -35.8% | $792.8M +387.9% | $-275.4M | — |
| EPS (Diluted) | $430.14 +379.1% | $89.79 -54.8% | $198.60 -28.3% | $276.96 +409.6% | $-89.46 -139.4% | $226.97 |
| Total Assets | $12.31B +24.0% | $9.93B +18.4% | $8.39B +13.5% | $7.39B +5.6% | $7.00B +44.9% | $4.83B |
| Total Debt | $837.0M +48.8% | $562.5M -0.4% | $564.6M -1.8% | $575.2M +36.7% | $420.9M +11.8% | $376.4M |
| Operating Cash Flow | $550.5M -6.2% | $586.8M +45.2% | $404.1M +10.7% | $365.0M +845.6% | $38.6M +163.7% | $-60.6M |
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Available Research
13F Pro tracks comprehensive data for WHITE MOUNTAINS INSURANCE GROUP LTD including:
Top Institutional Holders of WTM
DIMENSIONAL FUND ADVISORS LP
$329.6M158,954 shNeuberger Berman Group LLC
$247.0M119,141 shBlackRock, Inc.
$244.4M117,871 shRiver Road Asset Management, LLC
$240.3M115,880 shVANGUARD PORTFOLIO MANAGEMENT LLC
$232.2M111,969 shVANGUARD CAPITAL MANAGEMENT LLC
$222.8M107,479 shFULLER & THALER ASSET MANAGEMENT, INC.
$211.3M101,892 shCOOKE & BIELER LP
$176.5M85,120 shWallace Capital Management Inc.
$166.0M80,067 shFIDUCIARY MANAGEMENT INC /WI/
$138.0M66,550 sh
| Fund | Value | Shares |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | $329.6M | 158,954 |
| Neuberger Berman Group LLC | $247.0M | 119,141 |
| BlackRock, Inc. | $244.4M | 117,871 |
| River Road Asset Management, LLC | $240.3M | 115,880 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $232.2M | 111,969 |
| VANGUARD CAPITAL MANAGEMENT LLC | $222.8M | 107,479 |
| FULLER & THALER ASSET MANAGEMENT, INC. | $211.3M | 101,892 |
| COOKE & BIELER LP | $176.5M | 85,120 |
| Wallace Capital Management Inc. | $166.0M | 80,067 |
| FIDUCIARY MANAGEMENT INC /WI/ | $138.0M | 66,550 |
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Popular Research
Is WTM a good stock to buy?
13F Pro's AI-powered analysis of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for WTM are available on the WTM stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. WTM is classified as a mid company.
Which hedge funds own WTM?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling WTM. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of WHITE MOUNTAINS INSURANCE GROUP LTD's investment landscape.