WM
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)·Q2 2025 Earnings Summary
Executive Summary
- Book value per share rose 3% QoQ to $1,803.57, with comprehensive income of $124M; investment returns were solid at 2.7% total portfolio return (2.3% ex-MediaAlpha), while Ark delivered an 85% combined ratio and 17% YoY GWP growth, underpinning the quarter’s strength .
- Bamboo posted a record quarter: commission and fee revenues of $59.1M (+81% YoY), MGA adjusted EBITDA of $25.6M, and managed premiums of $191M (+59% YoY), signaling robust distribution momentum despite earlier wildfire impacts .
- HG Global had a strong quarter with gross written premiums at $19.2M (+66% YoY), par value assumed up 18% YoY, and total gross pricing up 39% YoY; Kudu results were “flattish” given lower realized/unrealized gains, but underlying EBITDA was resilient .
- Strategic catalysts: majority stake in Distinguished Programs (51%; ~$230M for ~50%), and closing of the BroadStreet Partners transaction, while undeployed capital stands at roughly $300M post deployments—supporting further capital allocation optionality .
- Note: No Q2 2025 earnings call transcript was found; and S&P Global Wall Street consensus coverage (EPS, revenue) for WTM was limited or unavailable—estimate comparisons are therefore not applicable for this quarter [functions.SearchDocuments none found] [functions.GetEstimates].
What Went Well and What Went Wrong
What Went Well
- Ark’s underwriting performance improved: combined ratio at 85% (vs. 89% YoY) and pre-tax income of $91M, supported by 17% YoY GWP growth and favorable prior-year development across property, marine & energy, and specialty lines; investment gains contributed $51M in Q2 .
- Bamboo delivered record financials: commission and fee revenues $59.1M, MGA adj. EBITDA $25.6M, and managed premiums $191M; CEO highlighted “record financial performance” with TTM MGA adjusted EBITDA up 3x YoY, indicating scalable growth in the MGA platform .
- HG Global momentum: GWP $19.2M, par value of policies assumed $930.5M (+18% YoY), total gross pricing 206 bps (+39% YoY), and pre-tax income $17M—benefiting from higher primary market issuance and improved pricing .
What Went Wrong
- Outrigger Re volatility: combined ratio of 44% in Q2 but 120% YTD, reflecting California wildfire losses ($19M net of reinstatement), and mixed underwriting year contributions; YTD pre-tax income only $0.3M .
- Equity portfolio underperformed the S&P 500: equity portfolio ex-MediaAlpha returned 3.4% vs. S&P 500’s 10.9% in a strong quarter, driven by lower relative returns from market neutral and long-term positions—though fixed income matched benchmarks .
- Kudu faced reduced realized/unrealized gains: GAAP ROE dipped to 8% and quarterly total revenues fell to $20.4M (from $70.2M YoY), reflecting volatile markets, albeit adjusted EBITDA improved YoY ($16.2M vs. $12.4M) .
Financial Results
Consolidated Results vs prior periods and YoY
Segment Highlights (Q2 2025 vs Q2 2024 where applicable)
KPIs
Guidance Changes
Earnings Call Themes & Trends
Note: No Q2 2025 earnings call transcript was available; themes synthesized from management remarks in press materials.
Management Commentary
- CEO Manning Rountree: “BVPS was up 3% in the quarter… Ark produced an 85% combined ratio and $815 million of gross written premiums… Bamboo had a record quarter… Excluding MediaAlpha, our investment portfolio was up 2.3%… Including these deployments, undeployed capital now stands at roughly $300 million.”
- Ark CEO Ian Beaton: “Gross written premiums in the quarter were up 17% year-over-year, aided by the addition of new underwriting teams and classes of business.”
- HG Global President Kevin Pearson: “Gross written premiums increased 66% year-over-year… par value assumed increased 18% year-over-year… total gross pricing increased 39% year-over-year.”
- Kudu CEO Rob Jakacki: “GAAP ROE dipped to 8%… annualized adjusted EBITDA increased 1%… portfolio held up well under volatile market conditions.”
- Bamboo CEO John Chu: “We once again achieved record financial performance… TTM managed premiums increased to $613 million… TTM MGA adjusted EBITDA increased to $80 million… robust, profitable growth in the second half of 2025 and beyond.”
Q&A Highlights
- No Q2 2025 earnings call transcript was available; no Q&A details could be reviewed or validated for this period [functions.SearchDocuments none found].
Estimates Context
- Consensus EPS and revenue estimates from S&P Global appear unavailable for WTM for Q2 2025; as a result, no beat/miss analysis vs Street can be provided for EPS or revenue this quarter [functions.GetEstimates].
- Reported revenue actuals per S&P Global data for recent quarters (for completeness): Q1 2025 $577.8M*, Q2 2025 $689.2M*, Q3 2025 $864.2M*. Values retrieved from S&P Global.*
Key Takeaways for Investors
- Underwriting strength: Ark’s improved combined ratio and double-digit premium growth, alongside favorable prior-year development, point to sustained underwriting discipline and earnings power even amid catastrophe volatility .
- Distribution scaling: Bamboo’s record quarter and robust TTM metrics highlight durable growth in California P&C distribution with effective reinsurance structures absorbing catastrophe losses; watch April treaty renewals and loss trends .
- Municipal market tailwinds: HG Global benefited from stronger primary issuance and better pricing; monitoring interest-rate moves remains key for fair value of BAM surplus notes and income trajectory .
- Investment returns solid but relatively lagging: Absolute results strong; however, equity portfolio (ex-MediaAlpha) lagged the S&P 500, implying potential upside if long-term and market-neutral strategies normalize relative performance .
- Capital deployment as a catalyst: Distinguished majority stake and BroadStreet closing reduce dry powder to ~$300M, but increase earnings capacity and strategic reach in insurance distribution; further M&A or capital recycling could re-accelerate BVPS compounding .
- MediaAlpha sensitivity: A $1 change in MediaAlpha’s share price moves WTM BVPS by ~$7; continued mark-to-market can influence quarterly BVPS trajectory and investor sentiment .
- Expect limited Street estimate comparisons: Sparse coverage constrains conventional beat/miss narratives; focus on segment KPIs, BVPS growth, and capital deployment to frame performance and valuation [functions.GetEstimates].