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Disclosery

Lubar & Co., Inc

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13F filer, CIK 1473033, MILWAUKEE, WI

Lubar & Co., Inc reported $134,246,904 across 3 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-03.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-26-003445

Period
2025-12-31
Reported value
$134M
Holdings
3
Top 10 weight
100%
New
Sold out

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001140361-26-003445, largest first. % of portfolio is the value over $134,246,904, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
HNRGHALLADOR ENERGY COMPANYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 5,452,019 shares 5,452,019$104M77.33%Timeline
SGUSTAR GROUP LPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 1,295,985 shares 1,295,985$15.3M11.43%Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 20 shares 20$15.1M11.24%Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001140361-26-003445 base2026-02-03acceptance time not in the bulk data set