WHITE MOUNTAINS INSURANCE GROUP LTD

13F Portfolio Filings

  • Most recent 13F
    Q1 2025
  • Location
    hanover, NH
  • CIK
    0000776867
  • All SEC filings
Q1 2025
Quater
Holdings
VALUE
Top Holdings
Form Type
Date Filed
Filing Id

2

$285.93 M
MEDIAALPHA INC, SPY
13F-HR
May 12, 2025
000110465925047309

2

$426.16 M
SPY, MEDIAALPHA INC
13F-HR
Feb 12, 2025
000110465925012202

2

$543.22 M
MEDIAALPHA INC, SPY
13F-HR
Nov 12, 2024
000110465924116806

2

$443.69 M
MEDIAALPHA INC, SPY
13F-HR
Aug 8, 2024
000110465924087260

2

$617.20 M
MEDIAALPHA INC, SPY
13F-HR
May 9, 2024
000110465924059389

2

$392.62 M
MEDIAALPHA INC, SPY
13F-HR
Feb 13, 2024
000110465924019920

2

$440.94 M
SPY, MEDIAALPHA INC
13F-HR
Nov 9, 2023
000110465923115989

2

$508.20 M
SPY, MEDIAALPHA INC
13F-HR
Aug 10, 2023
000110465923089581

2

$611.14 M
SPY, MEDIAALPHA INC
13F-HR
May 11, 2023
000110465923058759

2

$502.39 M
SPY, MEDIAALPHA INC
13F-HR
Feb 13, 2023
000110465923019698

2

$194.66 M
MEDIAALPHA INC, SPY
13F-HR
Nov 9, 2022
000110465922116476

1

$166.86 M
MEDIAALPHA INC
13F-HR
Aug 12, 2022
000110465922089729

1

$280.36 M
MEDIAALPHA INC
13F-HR
May 12, 2022
000110465922059416

1

$261.55 M
MEDIAALPHA INC
13F-HR
Feb 11, 2022
000110465922020471

1

$316.44 M
MEDIAALPHA INC
13F-HR
Nov 12, 2021
000110465921137569

1

$713.17 M
MEDIAALPHA INC
13F-HR
Aug 12, 2021
000110465921104158

1

$600.18 M
MEDIAALPHA INC
13F-HR
May 14, 2021
000110465921066440

1

$802.19 M
MEDIAALPHA INC
13F-HR
Feb 12, 2021
000110465921021926

1

$653.27 M
SYA
13F-HR
Feb 16, 2016
000110465916097037

1

$650.59 M
SYA
13F-HR
Nov 12, 2015
000110465915078365

1

$496.99 M
SYA
13F-HR
Aug 12, 2015
000110465915058884

1

$470.35 M
SYA
13F-HR
May 14, 2015
000110465915037914

1

$462.13 M
SYA
13F-HR
Feb 17, 2015
000110465915010870

1

$467.74 M
SYA
13F-HR
Nov 13, 2014
000110465914080391

1

$455.91 M
SYA
13F-HR
Aug 8, 2014
000110465914058557

2

$397.89 M
SYA, SIEGYN
13F-HR
May 12, 2014
000110465914037631

2

$380.66 M
SYA, SIEGYN
13F-HR
Feb 13, 2014
000110465914009764
White Mountains Insurance Group Ltd 13F Filings