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Winmill & Co’s White Mountains Insurance WTM Stock Holding History

Winmill & Co’s Portfolio WTM Stock Details WTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.95M Buy
+4,800
New +$10.3M 2.2% 20

Other funds holding WTM

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
WCM
Wallace Capital Management Dallas, Texas $912M AUM 21.45% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return

Winmill & Co's WTM Position: Q2 2026 in Review

Winmill & Co opened a new position in White Mountains Insurance (WTM) in Q2 2026: 4,800 shares worth $9.95M. The stake represents 2.2% of the portfolio and ranks #20 among its holdings.

356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Winmill & Co held 4,800 shares of White Mountains Insurance worth $9.95M as of Q2 2026.
  • White Mountains Insurance was a new Winmill & Co position in Q2 2026.
  • White Mountains Insurance made up 2.2% of Winmill & Co's portfolio in Q2 2026, its #20 holding.
  • 356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Winmill & Co's 13F filing for Q2 2026, filed 13 Aug 2026.