Insider buying last 90 days
No open-market insider purchases were filed for WTM in the last 90 days.
From Form 4 filings, dated to when each was filed.
Sep 28 close
White Mountains Insurance draws attention this week from a quantitative signal piece flagging weak near-term sentiment as a downside risk, alongside commentary noting that WTM's roughly $4.6 billion market capitalization keeps its valuation well below larger insurers such as Chubb and American International Group. Separately, Corient Private Wealth LP reduced its WTM stake by 56.3% in the second quarter, retaining shares valued at $1.27 million, while Bank of America Corp DE added to its position during the same period.
WTM closed at $2014.97, down 0.7%, sitting below both its 50-day average of $2110.33 and its 200-day average of $2128.75, with the 50-day itself below the 200-day. Shorter-term returns have been negative, down 5.3% over one month, 3.6% over three months and 6.4% over six months, though the one-year return stands at 19.3%. The GekkoIndex reads 69.2, placing WTM in the Accumulation zone, while the price sits 9.7% above Gekko Fair Value.
The next earnings report is scheduled for 5 November 2026, before the open, 37 days out and beyond a typical 20-trading-day holding window; the prior quarter saw EPS of $0.81 against a $0.75 estimate and a 1.8% reaction. Smart-money data shows one billionaire holder, with no insider, Congress or unusual options activity recorded in their respective windows. Seasonally, the next 20 trading days have averaged a 4.9% gain over five years, rising in 3 of those years, a pattern worth noting alongside the current gap to Gekko Fair Value.
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
White Mountains Insurance scores 3 supportive, 0 mixed and 2 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
3 supportive0 mixed2 headwinds
Below 50 and 200-day
Close $2014.97 is below the 50-day ($2110.33) and 200-day ($2128.75) averages, and the 50-day is below the 200-day.
See the chart69.2, Accumulation
Reading 69.2 is in the Accumulation zone.
See the GekkoIndex9.7% above
Price is 9.7% above Gekko Fair Value (more than 5% above).
See fair valueNo data
No insider, Congress or unusual options activity in the window.
See smart moneyReports in 37 days
Next report Nov 5, 2026, 37 days away — outside a typical 20-trading-day hold.
See earnings+4.9% on average
From this point in the calendar, the next 20 trading days averaged +4.9% over 5 years, rising in 3 of them.
See seasonalityA description of current data, not a recommendation. How this page works
White Mountains Insurance closed at $2,014.97 on Sep 28, 2026, +19.3% over the past year, inside a 52-week range of $1,648.00 to $2,333.00.
Use the left and right arrow keys to read daily values.
Put WTM on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
White Mountains Insurance writes and reinsures a broad range of coverage across the United States, the United Kingdom, Bermuda and other markets. Its offerings span property, specialty lines such as aviation, cyber, marine, mortgage, nuclear, space and terrorism risk, casualty coverage including medical malpractice and liability, and accident and health products like travel, disability and short-term life insurance, distributed through brokers, managing general agents and reinsurance intermediaries. It is also known for reinsuring municipal bond guarantees tied to public infrastructure projects such as schools, utilities and transportation.
The group is organized into segments including Ark/WM Outrigger, HG Global, Kudu, Distinguished and Other Operations. Beyond underwriting, it provides capital and advisory services to boutique asset and wealth managers facing ownership transitions, buyouts or growth financing, along with investment management and specialty electrical contracting work. It also acts as a program administrator and managing general agent for property and casualty risk in the real estate and hospitality sectors, and for leisure travel and expatriate medical insurance in Israel, the European Union and Australia.
Incorporated in 1980 and previously named Fund American Enterprises Holdings, Inc., the company took its current name in 1999. It is headquartered in Hamilton, Bermuda, and its shares are listed on the NYSE under the ticker WTM.
White Mountains Insurance’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 69.2, in the Accumulation zone, up 4.1 points over five sessions.
Up 4.1 points over five sessions.
Reading for Sep 28, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 16 | +0.3% | +4.3% | ||
| Accumulation (current zone) | 197 | +0.8% | +2.4% | ||
| Neutral | 430 | 0.0% | 0.0% | ||
| Distribution | 12 | −0.1% | +1.3% | ||
| Selling | 3 | Too few readings yet | |||
Average WTM share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.
Accumulation zone: Institutional interest building. About the five zones →
White Mountains Insurance trades 9.7% above Gekko Fair Value of $1,836.92, so the shares are overvalued on Gekko’s estimate.
Gekko’s own estimate of what White Mountains Insurance shares are worth, recalculated every trading day.
$1,836.92
Gekko Fair Value, Sep 26, 2026
9.7% Overvalued
No open-market insider purchases were filed for White Mountains Insurance, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
No open-market insider purchases were filed for WTM in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in WTM were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
White Mountains Insurance has been buying back its own shares.
From company filings.
1of the funds Gekko tracks holds WTM.
White Mountains Insurance reports on Nov 5, 2026, before the open (37 days away), and beat the EPS estimate in 1 of its last 8 reports.
Nov 5, 2026
Expected before the open, 37 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 6, 2026 | $0.81 est $0.75 | $844.6M est $844.6M | +1.8% |
| May 6, 2026 | −$12.59 est −$4.00 | $515.4M est $515.4M | −2.7% |
| Feb 6, 2026 | $3.27 est $3.79 | $576.1M est $576.1M | −1.3% |
| Nov 6, 2025 | $44.19 est $57.00 | $864.2M est $864.2M | +0.6% |
| Aug 7, 2025 | $47.75 est $57.00 | $689.2M | −1.7% |
| May 7, 2025 | −$20.50 est −$14.00 | $413.2M | +0.5% |
| Feb 7, 2025 | −$0.51 est −$0.33 | $358.0M | −3.4% |
| Nov 6, 2024 | $0.70 est $0.99 | $157.6M | +5.8% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for White Mountains Insurance is $360.00, −82.1% from the last close.
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Sep 29, White Mountains Insurance averaged +4.9% across the last 5 years, rising in 3 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +4.2% | 5 of 5 |
| Next 10 trading days | +5.1% | 4 of 5 |
| Next 15 trading days | +5.5% | 3 of 5 |
| Next 20 trading days | +4.9% | 3 of 5 |
| Next 30 trading days | +6.4% | 5 of 5 |
For scale, WTM’s typical 20-trading-day move in either direction is about 3.3%.
White Mountains Insurance’s market cap is $4.99B, with a P/E ratio of 4.6 and revenue of $2.98B over the last twelve months.
Coverage of White Mountains Insurance this week reads neutral: 1 positive, 2 neutral and 1 negative headlines.
White Mountains Insurance’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| PGRProgressive | Accumulation | 5.2% below |
| MFCManulife Financial | Neutral | 8.8% above |
| METMetLife | Neutral | 4.2% below |
| ALLAllstate | Buying | 13.8% below |
| AFLAFLAC | Accumulation | 4.8% below |
| SLFSun Life Financial | Neutral | 7.1% above |
A peer links to its own page where one exists.
White Mountains Insurance’s market cap is $4.99B at the Sep 28, 2026 close of $2,014.97, with 2.39M shares outstanding. The shares trade on a P/E ratio of 4.6.
The consensus analyst 12-month price target for White Mountains Insurance is $360.00, −82.1% from the last close. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate White Mountains Insurance is overvalued: the Sep 28, 2026 close of $2,014.97 is 9.7% above Gekko Fair Value of $1,836.92. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
White Mountains Insurance is expected to report on Nov 5, 2026, before the market opens (37 days away). Analysts expect earnings of $34.00 per share on revenue of $934.4M. White Mountains Insurance beat the earnings estimate in 1 of its last 8 reports, moving 2.2% on average across the report.
White Mountains Insurance’s 52-week high is $2,333.00 and its 52-week low is $1,648.00; it closed at $2,014.97 on Sep 28, 2026, +19.3% over the past year.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 5 items with data read as supportive (gekkoindex, earnings risk and seasonality) and 2 as headwinds (trend and fair value). The checklist is a description of current data, not a recommendation.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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