Investor
Lubar & Co., Inc
CIK 0001473033 · filed 2026-04-24 · SEC filing
13F book
$119M
Positions
3
Largest name
74.6%
Hallador Energy Company
Est. mark
−$15.2M
Price effect on 3 names still held. Flow −$0.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Hallador Energy Company | — | 5.45M | $88.8M | 74.6% | −$15M | Held |
| Star Group, L.P. | SGU | 1.3M | $15.9M | 13.4% | $570.2K | Held |
| Berkshire Hathaway Inc Del | — | 20 | $14.4M | 12.1% | −$733.2K | Held |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.