# WHITE MTNS INS GROUP LTD (WTM)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/WTM/

- Reporting holders: 12
- Reported value: $93.4M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [REINHART PARTNERS, LLC.](https://holderbook.com/funds/1080298-reinhart-partners-llc/) | $88.2M | 43,959 | 2.1% | 32 |
| [DIVERSIFIED MANAGEMENT INC](https://holderbook.com/funds/922372-diversified-management-inc/) | $2.0M | 1,021 | 0.4% | 1 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $1.5M | 723 | 0.0% | 14 |
| [Legacy Wealth Asset Management, LLC](https://holderbook.com/funds/1846151-legacy-wealth-asset-management-llc/) | $660.1K | 329 | 0.1% | 24 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $579.9K | 289 | 0.0% | 12 |
| [EASTERN BANK](https://holderbook.com/funds/1126395-eastern-bank/) | $200.6K | 100 | 0.0% | 9 |
| [STEPH & CO](https://holderbook.com/funds/941519-steph-co/) | $112.4K | 56 | 0.0% | 6 |
| [Davis Capital Management](https://holderbook.com/funds/1811806-davis-capital-management/) | $74.2K | 37 | 0.0% | 2 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $70.2K | 35 | 0.0% | 32 |
| [ELEVATION WEALTH PARTNERS, LLC](https://holderbook.com/funds/1976256-elevation-wealth-partners-llc/) | $8.0K | 4 | 0.0% | 3 |
| [Marquette Asset Management, LLC](https://holderbook.com/funds/1395067-marquette-asset-management-llc/) | $4.0K | 2 | 0.0% | 4 |
| [GoalVest Advisory LLC](https://holderbook.com/funds/1839307-goalvest-advisory-llc/) | $2.0K | 1 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 12 | $93.4M |
| Q2 2026 | 357 | $4.8B |
| Q1 2026 | 365 | $4.9B |
| Q4 2025 | 352 | $4.9B |
| Q3 2025 | 338 | $3.9B |
| Q2 2025 | 325 | $4.2B |
| Q1 2025 | 322 | $4.4B |
| Q4 2024 | 325 | $4.4B |
| Q3 2024 | 303 | $3.8B |
| Q2 2024 | 306 | $4.2B |
| Q1 2024 | 302 | $4.8B |
| Q4 2023 | 295 | $3.8B |