# Lubar & Co., Inc: Form 13F holdings

An institutional investment manager in MILWAUKEE, WI. SEC CIK 1473033.

- Quarter ended: 2026-06-30
- Filed: 2026-07-28
- Reported value: $126.4m
- Positions: 3 (3 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1473033/000114036126029846/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [Hallador Energy Company (HNRG)](/companies/hnrg.md) | COM | $94.8m | 75.0% | 5,452,019 |  | Unchanged |
| [Star Group L.P. (SGU)](/companies/sgu.md) | UNIT | $16.6m | 13.2% | 1,295,985 |  | Unchanged |
| [Berkshire Hathaway Inc. (BRK-B)](/companies/brk-b.md) | CL A | $15.0m | 11.8% | 20 |  | Unchanged |

Source: SEC EDGAR, Form 13F-HR, accession 0001140361-26-029846. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.