S
WTM icon

SignatureFD’s White Mountains Insurance WTM Stock Holding History

SignatureFD’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
Q1 		$165K Buy
75
+19
+34% +$40.7K ﹤0.01% 1103
2025
Q4 		$116K Buy
56
+3
+6% +$5.87K ﹤0.01% 1259
2025
Q3 		$88.6K Buy
53
+1
+2% +$1.78K ﹤0.01% 1352
2025
Q2 		$93.4K Buy
52
+2
+4% +$3.56K ﹤0.01% 1265
2025
Q1 		$96.3K Hold
50
– – ﹤0.01% 1236
2024
Q4 		$97.3K Hold
50
– – ﹤0.01% 1244
2024
Q3 		$84.8K Sell
50
-6
-11% -$10.5K ﹤0.01% 1301
2024
Q2 		$102K Sell
56
-5
-8% -$8.84K ﹤0.01% 1152
2024
Q1 		$109K Buy
61
+5
+9% +$8.38K ﹤0.01% 1134
2023
Q4 		$84.3K Sell
56
-10
-15% -$14.9K ﹤0.01% 1203
2023
Q3 		$98.7K Buy
66
+18
+38% +$27.6K ﹤0.01% 1063
2023
Q2 		$66.7K Sell
48
-5
-9% -$7.04K ﹤0.01% 1272
2023
Q1 		$73K Sell
53
-2
-4% -$2.87K ﹤0.01% 1200
2022
Q4 		$77.8K Buy
55
+8
+17% +$10.8K ﹤0.01% 1133
2022
Q3 		$61K Buy
47
+5
+12% +$6.47K ﹤0.01% 1186
2022
Q2 		$52K Buy
42
+10
+31% +$11.6K ﹤0.01% 1276
2022
Q1 		$36K Sell
32
-7
-18% -$7.33K ﹤0.01% 1537
2021
Q4 		$40K Buy
39
+4
+11% +$4.23K ﹤0.01% 1435
2021
Q3 		$37K Buy
35
+6
+21% +$6.7K ﹤0.01% 1468
2021
Q2 		$33K Sell
29
-13
-31% -$15.2K ﹤0.01% 1496
2021
Q1 		$47K Sell
42
-6
-13% -$6.71K ﹤0.01% 1201
2020
Q4 		$48K Buy
48
+16
+50% +$15.1K ﹤0.01% 1105
2020
Q3 		$25K Sell
32
-5
-14% -$4.32K ﹤0.01% 1283
2020
Q2 		$33K Sell
37
-27
-42% -$24.3K ﹤0.01% 1127
2020
Q1 		$58K Sell
64
-33
-34% -$34.2K 0.01% 842
2019
Q4 		$108K Buy
97
+16
+20% +$17.5K 0.01% 673
2019
Q3 		$87K Hold
81
– – 0.01% 707
2019
Q2 		$83K Sell
81
-14
-15% -$13.5K 0.01% 700
2019
Q1 		$88K Sell
95
-91
-49% -$82.4K 0.01% 684
2018
Q4 		$160K Sell
186
-41
-18% -$36.5K 0.01% 428
2018
Q3 		$212K Sell
227
-13
-5% -$12.1K 0.02% 398
2018
Q2 		$218K Buy
240
+105
+78% +$92.5K 0.02% 385
2018
Q1 		$111K Buy
+135
New +$111K 0.01% 500
2016
Q4 		– Sell
-12
Closed -$10K – 1244
2016
Q3 		$10K Buy
+12
New +$9.89K ﹤0.01% 1035
2016
Q1 		– Sell
-2
Closed -$1K – 1459
2015
Q4 		$1K Sell
2
-9
-82% -$6.89K ﹤0.01% 1236
2015
Q3 		$8K Buy
11
+9
+450% +$6.48K ﹤0.01% 741
2015
Q2 		$1K Sell
2
-5
-71% -$3.32K ﹤0.01% 1012
2015
Q1 		$5K Sell
7
-2
-22% -$1.32K ﹤0.01% 675
2014
Q4 		$6K Hold
9
– – ﹤0.01% 599
2014
Q3 		$6K Sell
9
-8
-47% -$4.99K ﹤0.01% 527
2014
Q2 		$10K Buy
+17
New +$10.1K ﹤0.01% 462

Other funds holding WTM

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.84B AUM 6.92% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $8.06B AUM 6.78% 1-Year Est. Return
WCM
Wallace Capital Management Dallas, Texas $871M AUM 13.69% 1-Year Est. Return

SignatureFD's WTM Position: Q1 2026 in Review

SignatureFD increased its White Mountains Insurance (WTM) stake by 34% in Q1 2026, buying an estimated $40.7K and bringing the position to 75 shares worth $165K. The position accounts for ﹤0.01% of the portfolio, ranked #1103.

SignatureFD first reported a position in WTM in Q2 2014 and has held it in 41 quarters since. The position peaked at $218K in Q2 2018. 367 funds tracked by Wall St. Rank hold WTM as of Q1 2026.

  • SignatureFD held 75 shares of White Mountains Insurance worth $165K as of Q1 2026.
  • SignatureFD bought 19 White Mountains Insurance shares in Q1 2026, an estimated $40.7K.
  • White Mountains Insurance made up ﹤0.01% of SignatureFD's portfolio in Q1 2026, its #1103 holding.
  • SignatureFD first reported a position in White Mountains Insurance in Q2 2014 and has held it in 41 quarters since.
  • SignatureFD's White Mountains Insurance position peaked at $218K in Q2 2018.
  • 367 funds tracked by Wall St. Rank held White Mountains Insurance as of Q1 2026.

Based on SignatureFD's 13F filing for Q1 2026, filed 7 Apr 2026.