Lubar & Co., Inc
Lubar & Co., Inc reported 3 US-listed holdings worth $107.2 million in its 13F for the quarter ended 30 September 2026, filed 15 October 2026. Its largest: Hallador Energy Company (70.5%), Star Group L P (15.5%) and Berkshire Hathaway Inc. Del (13.9%). Against the quarter before, it opened 0 positions, added to 0, trimmed 0 and sold out of 0.
The 3 largest of its 3 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned -20.1% over the 3 quarters to 30 September 2026, against +11.8% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Hallador Energy Company HNRG | 5.5M | $75.6 million | 70.54% | no change |
| Star Group L P SGU | 1.3M | $16.6 million | 15.52% | no change |
| Berkshire Hathaway Inc. Del | 20 | $14.9 million | 13.94% | no change |