State of Wisconsin Investment Board’s White Mountains Insurance WTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$435K Sell
242
-21
-8% -$37.7K ﹤0.01% 1920
2025
Q1
$506K Sell
263
-88
-25% -$169K ﹤0.01% 1753
2024
Q4
$683K Buy
351
+32
+10% +$62.2K ﹤0.01% 1670
2024
Q3
$541K Sell
319
-12
-4% -$20.4K ﹤0.01% 1826
2024
Q2
$602K Buy
331
+16
+5% +$29.1K ﹤0.01% 1726
2024
Q1
$565K Sell
315
-40
-11% -$71.8K ﹤0.01% 1673
2023
Q4
$534K Sell
355
-42
-11% -$63.2K ﹤0.01% 1692
2023
Q3
$594K Buy
397
+195
+97% +$292K ﹤0.01% 1651
2023
Q2
$281K Sell
202
-121
-37% -$168K ﹤0.01% 2013
2023
Q1
$445K Buy
323
+4
+1% +$5.51K ﹤0.01% 1915
2022
Q4
$451K Sell
319
-157
-33% -$222K ﹤0.01% 1933
2022
Q3
$620K Sell
476
-277
-37% -$361K ﹤0.01% 1854
2022
Q2
$938K Buy
753
+539
+252% +$671K ﹤0.01% 1675
2022
Q1
$243K Sell
214
-145
-40% -$165K ﹤0.01% 2132
2021
Q4
$364K Sell
359
-19
-5% -$19.3K ﹤0.01% 1805
2021
Q3
$404K Buy
378
+18
+5% +$19.2K ﹤0.01% 1741
2021
Q2
$413K Sell
360
-22
-6% -$25.2K ﹤0.01% 1730
2021
Q1
$426K Sell
382
-5
-1% -$5.58K ﹤0.01% 1639
2020
Q4
$387K Hold
387
﹤0.01% 1596
2020
Q3
$301K Hold
387
﹤0.01% 1819
2020
Q2
$344K Sell
387
-30
-7% -$26.7K ﹤0.01% 1525
2020
Q1
$379K Sell
417
-20
-5% -$18.2K ﹤0.01% 1417
2019
Q4
$487K Hold
437
﹤0.01% 1444
2019
Q3
$472K Sell
437
-4
-0.9% -$4.32K ﹤0.01% 1348
2019
Q2
$450K Sell
441
-137
-24% -$140K ﹤0.01% 1352
2019
Q1
$535K Sell
578
-10
-2% -$9.26K ﹤0.01% 1330
2018
Q4
$504K Sell
588
-10
-2% -$8.57K ﹤0.01% 1310
2018
Q3
$560K Hold
598
﹤0.01% 1377
2018
Q2
$542K Sell
598
-116
-16% -$105K ﹤0.01% 1350
2018
Q1
$587K Sell
714
-21
-3% -$17.3K ﹤0.01% 1257
2017
Q4
$626K Sell
735
-150
-17% -$128K ﹤0.01% 1249
2017
Q3
$758K Buy
885
+8
+0.9% +$6.85K ﹤0.01% 1181
2017
Q2
$762K Hold
877
﹤0.01% 1155
2017
Q1
$772K Sell
877
-1,442
-62% -$1.27M ﹤0.01% 1086
2016
Q4
$1.94M Sell
2,319
-741
-24% -$620K 0.01% 1049
2016
Q3
$2.54M Hold
3,060
0.01% 1030
2016
Q2
$2.58M Sell
3,060
-1,000
-25% -$842K 0.01% 1007
2016
Q1
$3.26M Sell
4,060
-80
-2% -$64.2K 0.01% 919
2015
Q4
$3.01M Sell
4,140
-410
-9% -$298K 0.01% 966
2015
Q3
$3.4M Sell
4,550
-120
-3% -$89.7K 0.01% 921
2015
Q2
$3.06M Sell
4,670
-20
-0.4% -$13.1K 0.01% 1042
2015
Q1
$3.21M Sell
4,690
-130
-3% -$89K 0.01% 1001
2014
Q4
$3.04M Buy
4,820
+250
+5% +$158K 0.01% 1026
2014
Q3
$2.88M Buy
4,570
+40
+0.9% +$25.2K 0.01% 1023
2014
Q2
$2.76M Buy
4,530
+90
+2% +$54.8K 0.01% 1076
2014
Q1
$2.66M Sell
4,440
-60
-1% -$36K 0.01% 1055
2013
Q4
$2.71M Sell
4,500
-50
-1% -$30.2K 0.01% 1031
2013
Q3
$2.58M Sell
4,550
-350
-7% -$199K 0.01% 1030
2013
Q2
$2.82M Buy
+4,900
New +$2.82M 0.01% 995