Latest Institutional Transactions on White Mountains Insurance Group LTD (WTM)
This table provides information on the latest institutional transactions involving White Mountains Insurance Group LTD (WTM) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Evelyn Partners Asset Management LTD
London, |
BUY
|
- |
154New |
$257K - $288K
|
154
$296K
|
|
|
Nov 14, 2025
Q3 2025
|
Mariner, LLC
Overland Park, KS |
SELL
|
- |
-528- 71.16% |
$883K - $987K
|
214
$412K
|
|
|
Nov 14, 2025
Q3 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
- |
368New |
$615K - $688K
|
368
$708K
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
76+ 3.12% |
$127K - $142K
|
2.51K
$4.83M
|
|
|
Nov 14, 2025
Q3 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
5.94K+ 618.65% |
$9.93M - $11.1M
|
6.9K
$13.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-2.17K- 26.86% |
$3.63M - $4.06M
|
5.91K
$11.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-890- 76.0% |
$1.49M - $1.66M
|
281
$541K
|
|
|
Nov 14, 2025
Q3 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
260+ 9.15% |
$435K - $486K
|
3.1K
$5.97M
|
|
|
Nov 14, 2025
Q3 2025
|
Holocene Advisors, LP
New York, NY |
BUY
|
- |
839New |
$1.4M - $1.57M
|
839
$1.61M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-458- 32.9% |
$766K - $856K
|
934
$1.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Select Equity Group, L.P.
New York, NY |
SELL
|
- |
-926- 5.18% |
$1.55M - $1.73M
|
16.9K
$32.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
45+ 12.64% |
$75.2K - $84.1K
|
401
$772K
|
|
|
Nov 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
327+ 180.66% |
$547K - $611K
|
508
$978K
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
SELL
|
- |
-1.29K- 4.19% |
$2.15M - $2.4M
|
29.4K
$56.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Jain Global LLC
New York, NY |
SELL
|
- |
-1- 0.33% |
$1.67K - $1.87K
|
299
$575K
|
|
|
Nov 14, 2025
Q3 2025
|
Freestone Grove Partners LP
San Francisco, CA |
BUY
|
- |
144New |
$241K - $269K
|
144
$277K
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Tx Capital, L.P.
Fort Worth, TX |
SELL
|
- |
-99- 33.11% |
$165K - $185K
|
200
$385K
|
|
|
Nov 14, 2025
Q3 2025
|
Zacks Investment Management
Chicago, IL |
BUY
|
- |
9+ 6.08% |
$15K - $16.8K
|
157
$302K
|
|
|
Nov 14, 2025
Q3 2025
|
Aquatic Capital Management LLC
Chicago, IL |
BUY
|
- |
765New |
$1.28M - $1.43M
|
765
$1.47M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-26.2K- 15.87% |
$43.8M - $49M
|
139K
$267M
|
|
|
Nov 14, 2025
Q3 2025
|
Main Street Financial Solutions, LLC
|
SELL
|
- |
-32- 2.47% |
$53.5K - $59.8K
|
1.26K
$2.43M
|
|
|
Nov 14, 2025
Q3 2025
|
Brown Advisory Inc
|
SELL
|
- |
-522- 2.5% |
$873K - $976K
|
20.3K
$39.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Mount Yale Investment Advisors, LLC
|
BUY
|
- |
81+ 106.58% |
$135K - $151K
|
157
$302K
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of Nova Scotia
|
BUY
|
- |
6+ 3.06% |
$10K - $11.2K
|
202
$389K
|
|
|
Nov 14, 2025
Q3 2025
|
State Board Of Administration Of Florida Retirement System
|
BUY
|
- |
529+ 20.24% |
$884K - $989K
|
3.14K
$6.05M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Trail Advisors, LLC
New York, NY |
BUY
|
- |
456+ 122.58% |
$762K - $853K
|
828
$1.59M
|
|
|
Nov 14, 2025
Q3 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
309New |
$516K - $578K
|
309
$595K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
96+ 32.0% |
$160K - $180K
|
396
$762K
|
|
|
Nov 14, 2025
Q3 2025
|
Mercer Global Advisors Inc
Denver, CO |
BUY
|
- |
29+ 24.58% |
$48.5K - $54.2K
|
147
$283K
|
|
|
Nov 14, 2025
Q3 2025
|
California State Teachers Retirement System
West Sacramento, CA |
BUY
|
- |
61+ 2.57% |
$102K - $114K
|
2.43K
$4.68M
|
|
|
Nov 14, 2025
Q3 2025
|
Southeastern Asset Management Inc
Memphis, TN |
BUY
|
- |
10.6K+ 50.05% |
$17.6M - $19.7M
|
31.7K
$60.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Lighthouse Investment Partners, LLC
Palm Beach Gardens, FL |
BUY
|
- |
2.94KNew |
$4.91M - $5.5M
|
2.94K
$5.66M
|
|
|
Nov 14, 2025
Q3 2025
|
Cetera Investment Advisers
Schaumburg, IL |
BUY
|
- |
103+ 39.46% |
$172K - $193K
|
364
$701K
|
|
|
Nov 14, 2025
Q3 2025
|
Hotchkis & Wiley Capital Management LLC
Los Angeles, CA |
BUY
|
- |
237+ 3.45% |
$396K - $443K
|
7.11K
$13.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
352+ 2.02% |
$588K - $658K
|
17.8K
$34.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Nelson, Van Denburg & Campbell Wealth Management Group, LLC
Omaha, NE |
BUY
|
- |
617New |
$1.03M - $1.15M
|
617
$1.19M
|
|
|
Nov 13, 2025
Q3 2025
|
Magnetar Financial LLC
Evanston, IL |
BUY
|
- |
763+ 646.61% |
$1.28M - $1.43M
|
881
$1.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Lord, Abbett & Co. LLC
Jersey City, NJ |
BUY
|
- |
4.69K+ 14.56% |
$7.84M - $8.77M
|
36.9K
$71.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
6+ 4.0% |
$10K - $11.2K
|
156
$300K
|
|
|
Nov 13, 2025
Q3 2025
|
Glenmede Investment Management, LP
Philadelphia, PA |
SELL
|
- |
-12- 3.21% |
$20.1K - $22.4K
|
362
$697K
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-235- 2.45% |
$393K - $439K
|
9.35K
$18M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
7.07K+ 141.12% |
$11.8M - $13.2M
|
12.1K
$23.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Nicolet Advisory Services, LLC
Green Bay, WI |
BUY
|
- |
213New |
$356K - $398K
|
213
$410K
|
|
|
Nov 13, 2025
Q3 2025
|
Farringdon Capital, Ltd.
London, X0 |
BUY
|
- |
310New |
$518K - $580K
|
310
$597K
|
|
|
Nov 13, 2025
Q3 2025
|
O'Shaughnessy Asset Management, LLC
Stamford, CT |
BUY
|
- |
44+ 4.69% |
$73.5K - $82.3K
|
983
$1.89M
|
|
|
Nov 13, 2025
Q3 2025
|
Brandywine Global Investment Management, LLC
Philadelphia, PA |
SELL
|
- |
-200- 5.67% |
$334K - $374K
|
3.33K
$6.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Franklin Resources Inc
San Mateo, CA |
SELL
|
- |
-38- 8.76% |
$63.5K - $71.1K
|
396
$762K
|
|
|
Nov 13, 2025
Q3 2025
|
Macquarie Group LTD
Australia, C3 |
BUY
|
- |
107New |
$179K - $200K
|
107
$206K
|
|
|
Nov 13, 2025
Q3 2025
|
Treasurer Of The State Of North Carolina
|
SELL
|
- |
-37- 3.18% |
$61.8K - $69.2K
|
1.13K
$2.17M
|
|
|
Nov 13, 2025
Q3 2025
|
Inceptionr LLC
Lafayette, CA |
BUY
|
- |
185New |
$309K - $346K
|
185
$356K
|
|