Home Top Movers Companies Concepts

Market

Top Movers
Companies
Concepts

SEC Filings

AI Filing Analysis
Financial Reports
Current Reports
IPO Filings

Ownership

Institutional Holdings
Insider Trading

About

Data updates every 5 min
SEC EDGAR Source

© 2025–2026 StockGist|Information only, not investment advice

SCHEDULE 13G/A - White Mountains Insurance Group, Ltd. | StockGist | StockGist

Companies
WTM
SCHEDULE 13G/A

Home Top Movers Companies Concepts

Home Filings WTMSCHEDULE 13G/A

SCHEDULE 13G/A

Beneficial Ownership

Amendment

White Mountains Insurance Group, Ltd.

Filed Mar 27, 2026

Accepted Mar 27, 2026, 2:17 PM ET

CIK 0000776867

View on SEC.gov Company Profile

Beneficial Ownership Report

Passive Investment

Reporting Person

WHITE MOUNTAINS INSURANCE GROUP LTD

Person Type

IA

Amendment History

5 filings

SCHEDULE 13G
Original
Feb 5, 20260001465109-26-000005
SCHEDULE 13G/A
Amendment 1
Aug 7, 20250000895421-25-000491
SCHEDULE 13G/A
Amendment 2
Nov 7, 20250000895421-25-000548
SCHEDULE 13G/A
Amendment 3
Feb 12, 20260000895421-26-000047
SCHEDULE 13G/A
Amendment 4
Latest
Viewing
Mar 27, 20260000102909-26-002687

Recent Filings

White Mountains Insurance Group, Ltd.4 days ago

White Mountains Insurance Group, Ltd.1 months ago

White Mountains Insurance Group, Ltd.1 months ago

White Mountains Insurance Group, Ltd.1 months ago

White Mountains Insurance Group, Ltd.1 months ago

Data Sources

Original SEC Filing SEC EDGAR Company Page

Market

Top Movers
Companies
Concepts

SEC Filings

AI Filing Analysis
Financial Reports
Current Reports
IPO Filings

Ownership

Institutional Holdings
Insider Trading

About

Data updates every 5 min
SEC EDGAR Source

© 2025–2026 StockGist|Information only, not investment advice