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Natixis’s White Mountains Insurance WTM Stock Holding History

Natixis’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 		– Sell
-356
Closed -$782K – 1379
2026
Q1 		$782K Buy
+356
New +$762K ﹤0.01% 733
2022
Q2 		– Sell
-2,086
Closed -$2.37M – 1395
2022
Q1 		$2.37M Buy
2,086
+108
+5% +$113K 0.01% 715
2021
Q4 		$2M Sell
1,978
-1,000
-34% -$1.06M 0.01% 773
2021
Q3 		$3.19M Buy
2,978
+1,000
+51% +$1.12M 0.01% 642
2021
Q2 		$2.27M Hold
1,978
– – 0.01% 503
2021
Q1 		$2.21M Buy
+1,978
New +$2.21M 0.01% 676
2020
Q2 		– Sell
-278
Closed -$253K – 868
2020
Q1 		$253K Buy
+278
New +$288K ﹤0.01% 646

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

Natixis's WTM Position: Q2 2026 in Review

Natixis sold out of White Mountains Insurance (WTM) in Q2 2026, closing a stake of 356 shares — an estimated $782K sold.

Natixis first reported a position in WTM in Q1 2020 and held it in 7 quarters. The position peaked at $3.19M in Q3 2021. 356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Natixis reported no remaining White Mountains Insurance position as of Q2 2026 after selling out during the quarter.
  • Natixis sold 356 White Mountains Insurance shares in Q2 2026, an estimated $782K.
  • Natixis first reported a position in White Mountains Insurance in Q1 2020 and held it in 7 quarters.
  • Natixis's White Mountains Insurance position peaked at $3.19M in Q3 2021.
  • 356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Natixis's 13F filing for Q2 2026, filed 13 Aug 2026.