A detailed history of Summit Trail Advisors, LLC transactions in White Mountains Insurance Group LTD stock. As of the latest transaction made, Summit Trail Advisors, LLC holds 828 shares of WTM stock, worth $1.59 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
828
Previous 372 122.58%
Holding current value
$1.59 Million
Previous $668,000 107.19%
% of portfolio
0.02%
Previous 0.01%

Shares

14 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$1671.52 - $1869.81 $762,213 - $852,633
456 Added 122.58%
828 $1.38 Million
Q2 2025

Aug 14, 2025

SELL
$1699.35 - $1901.99 $193,725 - $216,826
-114 Reduced 23.46%
372 $668,000
Q1 2025

Apr 28, 2025

BUY
$1818.58 - $1983.07 $352,804 - $384,715
194 Added 66.44%
486 $935,000
Q4 2024

Jan 29, 2025

BUY
$1755.01 - $2015.0 $112,320 - $128,960
64 Added 28.07%
292 $567,000
Q3 2024

Nov 12, 2024

SELL
$1671.79 - $1844.24 $21,733 - $23,975
-13 Reduced 5.39%
228 $386,000
Q2 2024

Aug 13, 2024

BUY
$1688.8 - $1871.4 $121,593 - $134,740
72 Added 42.6%
241 $438,000
Q1 2024

Apr 23, 2024

SELL
$1475.0 - $1841.88 $2,950 - $3,683
-2 Reduced 1.17%
169 $303,000
Q4 2023

Feb 06, 2024

BUY
$1425.4 - $1551.29 $14,254 - $15,512
10 Added 6.21%
171 $257,000
Q2 2023

Jul 25, 2023

BUY
$1319.05 - $1525.0 $212,367 - $245,525
161 New
161 $223,000
Q4 2018

Feb 13, 2019

SELL
$834.13 - $933.13 $168,494 - $188,492
-202 Closed
0 $0
Q3 2018

Nov 14, 2018

BUY
$902.72 - $979.01 $9,929 - $10,769
11 Added 5.76%
202 $189,000
Q2 2018

Aug 10, 2018

SELL
$806.17 - $925.57 $8.29 Million - $9.52 Million
-10,284 Reduced 98.18%
191 $173,000
Q1 2018

May 21, 2018

BUY
$789.05 - $853.12 $8.26 Million - $8.93 Million
10,470 Added 209400.0%
10,475 $10,000
Q4 2017

Feb 14, 2018

BUY
$844.0 - $895.9 $4,220 - $4,479
5
5 $4,000

Others Institutions Holding WTM

About WHITE MOUNTAINS INSURANCE GROUP LTD


  • Ticker WTM
  • Exchange NYSE
  • Sector Financial Services
  • Industry Insurance—Property & Casualty
  • Shares Outstandng 2,576,230
  • Market Cap $4.96B
  • Description
  • White Mountains Insurance Group, Ltd., through its subsidiaries, provides insurance and other financial services in the United States. The company operates through five segments: HG Global/BAM, Ark, NSM, Kudu, and Other Operations. The HG Global/BAM segment provides insurance on municipal bonds issued to finance public purposes, such as schools,...
More about WTM
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