State Street’s White Mountains Insurance WTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$108M Sell
49,158
-1,505
-3% -$3.22M ﹤0.01% 1335
2025
Q4
$105M Sell
50,663
-3,781
-7% -$7.39M ﹤0.01% 1323
2025
Q3
$91M Sell
54,444
-2,797
-5% -$4.99M ﹤0.01% 1381
2025
Q2
$103M Buy
57,241
+2,297
+4% +$4.09M ﹤0.01% 1302
2025
Q1
$106M Buy
54,944
+59
+0.1% +$111K ﹤0.01% 1235
2024
Q4
$107M Buy
54,885
+8
+0% +$15.1K ﹤0.01% 1298
2024
Q3
$93.1M Buy
54,877
+2,714
+5% +$4.73M ﹤0.01% 1366
2024
Q2
$94.8M Buy
52,163
+3,543
+7% +$6.27M ﹤0.01% 1294
2024
Q1
$87.2M Sell
48,620
-1,585
-3% -$2.66M ﹤0.01% 1399
2023
Q4
$75.6M Buy
50,205
+3,240
+7% +$4.82M ﹤0.01% 1472
2023
Q3
$70.2M Sell
46,965
-664
-1% -$1.02M ﹤0.01% 1410
2023
Q2
$66.2M Sell
47,629
-244
-0.5% -$344K ﹤0.01% 1490
2023
Q1
$65.9M Sell
47,873
-2,476
-5% -$3.55M ﹤0.01% 1456
2022
Q4
$71.2M Sell
50,349
-1,932
-4% -$2.62M ﹤0.01% 1397
2022
Q3
$68.1M Sell
52,281
-1,998
-4% -$2.58M ﹤0.01% 1387
2022
Q2
$67.6M Sell
54,279
-1,545
-3% -$1.79M ﹤0.01% 1436
2022
Q1
$63.4M Buy
55,824
+2,365
+4% +$2.48M ﹤0.01% 1613
2021
Q4
$54.2M Sell
53,459
-2,459
-4% -$2.6M ﹤0.01% 1752
2021
Q3
$59.8M Sell
55,918
-4,866
-8% -$5.43M ﹤0.01% 1676
2021
Q2
$69.8M Buy
60,784
+12,904
+27% +$15.1M ﹤0.01% 1595
2021
Q1
$53.4M Sell
47,880
-1,204
-2% -$1.35M ﹤0.01% 1702
2020
Q4
$49.1M Sell
49,084
-2,391
-5% -$2.25M ﹤0.01% 1652
2020
Q3
$40.1M Sell
51,475
-6,365
-11% -$5.5M ﹤0.01% 1614
2020
Q2
$51.4M Sell
57,840
-1,512
-3% -$1.36M ﹤0.01% 1448
2020
Q1
$54M Sell
59,352
-2,757
-4% -$2.85M ﹤0.01% 1207
2019
Q4
$69.3M Buy
62,109
+423
+0.7% +$461K ﹤0.01% 1300
2019
Q3
$66.6M Buy
61,686
+5,843
+10% +$6.23M 0.01% 1247
2019
Q2
$57M Sell
55,843
-909
-2% -$874K ﹤0.01% 1399
2019
Q1
$52.5M Buy
56,752
+2,753
+5% +$2.49M ﹤0.01% 1423
2018
Q4
$46.3M Sell
53,999
-1,041
-2% -$928K ﹤0.01% 1405
2018
Q3
$51.5M Sell
55,040
-4,881
-8% -$4.52M ﹤0.01% 1503
2018
Q2
$54.3M Sell
59,921
-7,290
-11% -$6.42M ﹤0.01% 1427
2018
Q1
$55.3M Sell
67,211
-6,744
-9% -$5.57M ﹤0.01% 1370
2017
Q4
$63M Buy
73,955
+2,967
+4% +$2.59M 0.01% 1285
2017
Q3
$60.8M Sell
70,988
-1,291
-2% -$1.11M 0.01% 1258
2017
Q2
$62.8M Buy
72,279
+11,953
+20% +$10.4M 0.01% 1213
2017
Q1
$53.1M Buy
60,326
+492
+0.8% +$441K ﹤0.01% 1299
2016
Q4
$50M Sell
59,834
-5,795
-9% -$4.86M ﹤0.01% 1267
2016
Q3
$54.5M Buy
65,629
+5,713
+10% +$4.71M 0.01% 1183
2016
Q2
$50.5M Sell
59,916
-7,047
-11% -$5.75M 0.01% 1182
2016
Q1
$53.7M Buy
66,963
+768
+1% +$575K 0.01% 1141
2015
Q4
$48.1M Buy
66,195
+5,181
+8% +$3.97M 0.01% 1200
2015
Q3
$45.6M Sell
61,014
-4,496
-7% -$3.23M 0.01% 1227
2015
Q2
$42.9M Sell
65,510
-6,378
-9% -$4.23M ﹤0.01% 1360
2015
Q1
$49.2M Sell
71,888
-1,830
-2% -$1.21M 0.01% 1250
2014
Q4
$46.5M Sell
73,718
-432
-0.6% -$275K ﹤0.01% 1268
2014
Q3
$46.7M Sell
74,150
-691
-0.9% -$431K 0.01% 1214
2014
Q2
$45.5M Sell
74,841
-1,040
-1% -$619K ﹤0.01% 1280
2014
Q1
$45.5M Sell
75,881
-6,175
-8% -$3.6M 0.01% 1258
2013
Q4
$49.5M Sell
82,056
-83
-0.1% -$48.9K 0.01% 1199
2013
Q3
$46.6M Sell
82,139
-166
-0.2% -$96.4K 0.01% 1204
2013
Q2
$47.3M Buy
+82,305
New +$48M 0.01% 1153

Other funds holding WTM

State Street's WTM Position: Q1 2026 in Review

State Street reduced its White Mountains Insurance (WTM) stake by 3% in Q1 2026, selling an estimated $3.22M and leaving 49,158 shares worth $108M. The position accounts for ﹤0.01% of the portfolio, ranked #1335.

State Street first reported a position in WTM in Q2 2013 and has held it in 52 quarters since. 367 funds tracked by Wall St. Rank hold WTM as of Q1 2026.

  • State Street held 49,158 shares of White Mountains Insurance worth $108M as of Q1 2026.
  • State Street sold 1,505 White Mountains Insurance shares in Q1 2026, an estimated $3.22M.
  • White Mountains Insurance made up ﹤0.01% of State Street's portfolio in Q1 2026, its #1335 holding.
  • State Street first reported a position in White Mountains Insurance in Q2 2013 and has held it in 52 quarters since.
  • 367 funds tracked by Wall St. Rank held White Mountains Insurance as of Q1 2026.

Based on State Street's 13F filing for Q1 2026, filed 15 May 2026.