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 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-260- 6.03% |
$435K - $486K
|
4.05K
$7.79M
|
|
|
Nov 13, 2025
Q3 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
234+ 200.0% |
$391K - $438K
|
351
$676K
|
|
|
Nov 13, 2025
Q3 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
24+ 11.43% |
$40.1K - $44.9K
|
234
$450K
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
1.85KNew |
$3.09M - $3.46M
|
1.85K
$3.56M
|
|
|
Nov 13, 2025
Q3 2025
|
Boston Partners
Boston, MA |
SELL
|
- |
-4.95K- 5.54% |
$8.27M - $9.25M
|
84.4K
$163M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-1.25K- 20.61% |
$2.09M - $2.34M
|
4.82K
$9.28M
|
|
|
Nov 13, 2025
Q3 2025
|
Wealthspire Advisors, LLC
New York, NY |
BUY
|
- |
9New |
$15K - $16.8K
|
9
$17.3K
|
|
|
Nov 13, 2025
Q3 2025
|
Kestra Advisory Services, LLC
|
BUY
|
- |
21+ 16.41% |
$35.1K - $39.3K
|
149
$287K
|
|
|
Nov 13, 2025
Q3 2025
|
Pathstone Holdings, LLC
Englewood, NJ |
BUY
|
- |
8+ 2.08% |
$13.4K - $15K
|
392
$754K
|
|
|
Nov 13, 2025
Q3 2025
|
Vise Technologies, Inc.
New York, NY |
SELL
|
- |
-6- 3.06% |
$10K - $11.2K
|
190
$366K
|
|
|
Nov 13, 2025
Q3 2025
|
Legacy Advisors, LLC
|
BUY
|
- |
450New |
$752K - $841K
|
450
$866K
|
|
|
Nov 13, 2025
Q3 2025
|
Sei Investments CO
Oaks, PA |
BUY
|
- |
481+ 9.81% |
$804K - $899K
|
5.39K
$10.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
SELL
|
- |
-329- 9.02% |
$550K - $615K
|
3.32K
$6.38M
|
|
|
Nov 13, 2025
Q3 2025
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
BUY
|
- |
7.11K+ 7.04% |
$11.9M - $13.3M
|
108K
$208M
|
|
|
Nov 13, 2025
Q3 2025
|
Cove Street Capital, LLC
El Segundo, CA |
BUY
|
- |
609+ 128.48% |
$1.02M - $1.14M
|
1.08K
$2.08M
|
|
|
Nov 13, 2025
Q3 2025
|
Ensign Peak Advisors, Inc
Salt Lake City, UT |
SELL
|
- |
-500- 50.0% |
$836K - $935K
|
500
$962K
|
|
|
Nov 13, 2025
Q3 2025
|
Douglass Winthrop Advisors, LLC
New York, NY |
SELL
|
- |
-5- 3.23% |
$8.36K - $9.35K
|
150
$289K
|
|
|
Nov 13, 2025
Q3 2025
|
Elkhorn Partners Limited Partnership
Omaha, NE |
SELL
|
- |
-90- 0.6% |
$150K - $168K
|
14.8K
$28.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Athena Investment Management
|
SELL
|
- |
-2- 0.87% |
$3.34K - $3.74K
|
229
$441K
|
|
|
Nov 12, 2025
Q3 2025
|
Royce & Associates LP
|
SELL
|
- |
-301- 4.56% |
$503K - $563K
|
6.3K
$12.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Roundview Capital LLC
Princeton, NJ |
SELL
|
- |
-2- 0.53% |
$3.34K - $3.74K
|
373
$718K
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
SELL
|
- |
-4.12K- 64.78% |
$6.89M - $7.71M
|
2.24K
$4.32M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
SELL
|
- |
-439- 1.03% |
$734K - $821K
|
42.1K
$81M
|
|
|
Nov 12, 2025
Q3 2025
|
Principal Securities, Inc.
Des Moines, IA |
BUY
|
- |
10+ 5.0% |
$16.7K - $18.7K
|
210
$404K
|
|
|
Nov 12, 2025
Q3 2025
|
Sterling Capital Management LLC
Charlotte, NC |
SELL
|
- |
-13- 7.78% |
$21.7K - $24.3K
|
154
$296K
|
|
|
Nov 12, 2025
Q3 2025
|
Neuberger Berman Group LLC
New York, NY |
BUY
|
- |
31.3K+ 37.42% |
$52.3M - $58.6M
|
115K
$221M
|
|
|
Nov 12, 2025
Q3 2025
|
Tcg Advisory Services, LLC
Austin, TX |
BUY
|
- |
160New |
$267K - $299K
|
160
$308K
|
|
|
Nov 12, 2025
Q3 2025
|
Requisite Capital Management, LLC
|
BUY
|
- |
129New |
$216K - $241K
|
129
$248K
|
|
|
Nov 12, 2025
Q3 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
347+ 4.18% |
$580K - $649K
|
8.65K
$16.7M
|
|
|
Nov 12, 2025
Q3 2025
|
River Road Asset Management, LLC
|
SELL
|
- |
-304- 0.28% |
$508K - $568K
|
110K
$211M
|
|
|
Nov 12, 2025
Q3 2025
|
Steward Partners Investment Advisory, LLC
|
SELL
|
- |
-58- 55.24% |
$96.9K - $108K
|
47
$90.5K
|
|
|
Nov 12, 2025
Q3 2025
|
Handelsbanken Fonder Ab
|
BUY
|
- |
500+ 83.33% |
$836K - $935K
|
1.1K
$2.12M
|
|
|
Nov 12, 2025
Q3 2025
|
Police & Firemen'S Retirement System Of New Jersey
Trenton, NJ |
BUY
|
- |
183+ 19.59% |
$306K - $342K
|
1.12K
$2.15M
|
|
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-9.11K- 51.67% |
$15.2M - $17M
|
8.53K
$16.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Creative One Wealth, LLC
Overland Park, KS |
BUY
|
- |
2+ 1.35% |
$3.34K - $3.74K
|
150
$289K
|
|
|
Nov 12, 2025
Q3 2025
|
Parallel Advisors, LLC
|
SELL
|
- |
-1- 2.17% |
$1.67K - $1.87K
|
45
$86.6K
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-2.43K- 71.86% |
$4.06M - $4.55M
|
952
$1.83M
|
|
|
Nov 12, 2025
Q3 2025
|
Gw&K Investment Management, LLC
Boston, MA |
SELL
|
- |
-262- 3.17% |
$438K - $490K
|
8.01K
$15.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Ameriflex Group, Inc.
Las Vegas, NV |
BUY
|
- |
20New |
$33.4K - $37.4K
|
20
$38.5K
|
|
|
Nov 12, 2025
Q3 2025
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
SELL
|
- |
-441- 36.51% |
$737K - $825K
|
767
$1.48M
|
|
|
Nov 12, 2025
Q3 2025
|
Phocas Financial Corp.
Alameda, CA |
BUY
|
- |
113+ 2.1% |
$189K - $211K
|
5.51K
$10.6M
|
|
|
Nov 12, 2025
Q3 2025
|
Cresset Asset Management, LLC
Chicago, IL |
BUY
|
- |
10+ 3.47% |
$16.7K - $18.7K
|
298
$574K
|
|
|
Nov 12, 2025
Q3 2025
|
Stifel Financial Corp
St. Louis, MO |
SELL
|
- |
-28- 2.08% |
$46.8K - $52.4K
|
1.32K
$2.53M
|
|
|
Nov 12, 2025
Q3 2025
|
Edgestream Partners, L.P.
Princeton, NJ |
SELL
|
- |
-6.44K- 82.44% |
$10.8M - $12M
|
1.37K
$2.64M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
1.46K+ 0.94% |
$2.45M - $2.74M
|
157K
$303M
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
321+ 16.17% |
$537K - $600K
|
2.31K
$4.44M
|
|
|
Nov 10, 2025
Q3 2025
|
Clearstead Trust, LLC
Portland, ME |
BUY
|
- |
1New |
$1.67K - $1.87K
|
1
$1.92K
|
|
|
Nov 10, 2025
Q3 2025
|
Clearstead Advisors, LLC
Cleveland, OH |
SELL
|
- |
-23- 42.59% |
$38.4K - $43K
|
31
$59.7K
|
|
|
Nov 10, 2025
Q3 2025
|
Vestmark Advisory Solutions, Inc.
|
BUY
|
- |
157New |
$262K - $294K
|
157
$302K
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
49+ 0.2% |
$81.9K - $91.6K
|
24.2K
$46.6M
|
|