Quantum Portfolio Management LLC
Position in WTM — White Mountains Insurance Group Ltd
CIK 2003672
New York, NY
Position in WTM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$124,403
-$86,505 QoQ
Shares Held
60
-37.5% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#280
of 352 holders
Holding Since
Mar 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WTM Over Time
Shares Held
Position Value (USD)
Position in Insurance - Property & Casualty
Financial Services · as of Jun 30, 2026Quantum Portfolio Management LLC holds $2,291,301 across 9 Insurance - Property & Casualty names. WTM ranks #6 (5.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | L |
Loews Corp
|
8,566 | $969,756 | |
| 2 | AFG |
American Financial Group Inc
|
3,985 | $557,660 | |
| 3 | TRV |
Travelers Companies, Inc.
|
462 | $152,515 | |
| 4 | PGR |
Progressive Corp/Oh/
|
689 | $150,512 | |
| 5 | CINF |
Cincinnati Financial Corp
|
711 | $131,634 | |
| 6 | WTM |
White Mountains Insurance Group Ltd
This page
|
60 | $124,403 | |
| 7 | ORI |
Old Republic International Corp
|
1,821 | $74,515 | |
| 8 | HMN |
Horace Mann Educators Corp /De/
|
1,338 | $69,107 |
All Filings in WTM
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $124,403 | 60 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $210,908 | 96 | Shares | Sole | 2026-05-01 | |
| 2025-03-31 | $200,284 | 104 | Shares | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||