Jane Street’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 | $10.9M | Buy |
6,071
+5,493
| +950% | +$9.86M | ﹤0.01% | 799 |
|
|
2025
Q1 | $1.11M | Buy |
578
+291
| +101% | +$560K | ﹤0.01% | 2921 |
|
|
2024
Q4 | $558K | Sell |
287
-1,020
| -78% | -$1.98M | ﹤0.01% | 3812 |
|
|
2024
Q3 | $2.22M | Buy |
1,307
+380
| +41% | +$645K | ﹤0.01% | 2257 |
|
|
2024
Q2 | $1.68M | Buy |
927
+370
| +66% | +$672K | ﹤0.01% | 2961 |
|
|
2024
Q1 | $999K | Buy |
+557
| New | +$999K | ﹤0.01% | 3210 |
|
|
2023
Q4 | – | Sell |
-241
| Closed | -$360K | – | 6150 |
|
|
2023
Q3 | $360K | Sell |
241
-8
| -3% | -$12K | ﹤0.01% | 3890 |
|
|
2023
Q2 | $346K | Sell |
249
-455
| -65% | -$632K | ﹤0.01% | 4125 |
|
|
2023
Q1 | $970K | Sell |
704
-538
| -43% | -$741K | ﹤0.01% | 2844 |
|
|
2022
Q4 | $1.76M | Buy |
1,242
+949
| +324% | +$1.34M | ﹤0.01% | 2090 |
|
|
2022
Q3 | $382K | Sell |
293
-657
| -69% | -$857K | ﹤0.01% | 3933 |
|
|
2022
Q2 | $1.18M | Sell |
950
-64
| -6% | -$79.8K | ﹤0.01% | 2576 |
|
|
2022
Q1 | $1.15M | Buy |
+1,014
| New | +$1.15M | ﹤0.01% | 2782 |
|
|
2021
Q4 | – | Sell |
-1,067
| Closed | -$1.14M | – | 5988 |
|
|
2021
Q3 | $1.14M | Buy |
1,067
+854
| +401% | +$913K | ﹤0.01% | 2501 |
|
|
2021
Q2 | $245K | Buy |
+213
| New | +$245K | ﹤0.01% | 4222 |
|
|
2021
Q1 | – | Sell |
-341
| Closed | -$341K | – | 5445 |
|
|
2020
Q4 | $341K | Sell |
341
-1,655
| -83% | -$1.66M | ﹤0.01% | 3051 |
|
|
2020
Q3 | $1.56M | Buy |
1,996
+914
| +84% | +$712K | ﹤0.01% | 1405 |
|
|
2020
Q2 | $961K | Buy |
1,082
+341
| +46% | +$303K | ﹤0.01% | 1974 |
|
|
2020
Q1 | $674K | Buy |
+741
| New | +$674K | ﹤0.01% | 1920 |
|
|
2019
Q3 | – | Sell |
-598
| Closed | -$611K | – | 4069 |
|
|
2019
Q2 | $611K | Buy |
598
+327
| +121% | +$334K | ﹤0.01% | 2093 |
|
|
2019
Q1 | $251K | Buy |
+271
| New | +$251K | ﹤0.01% | 2836 |
|
|
2017
Q4 | – | Sell |
-842
| Closed | -$722K | – | 3540 |
|
|
2017
Q3 | $722K | Buy |
842
+584
| +226% | +$501K | ﹤0.01% | 1608 |
|
|
2017
Q2 | $224K | Buy |
+258
| New | +$224K | ﹤0.01% | 2508 |
|
|
2014
Q2 | – | Sell |
-824
| Closed | -$494K | – | 2905 |
|
|
2014
Q1 | $494K | Buy |
+824
| New | +$494K | 0.01% | 1347 |
|