Lubar & Co., Inc. has filed a Form 13F-HR with the Securities and Exchange Commission, disclosing its equity securities holdings as of September 30, 2026. The filing, signed by Chief Investment Officer David Bauer on October 14, 2026, details the firm's portfolio positions.

The firm reported ownership of three distinct equity securities. The largest position held by Lubar & Co. is Hallador Energy Company, with 7,561,954 shares. The firm also holds 1,664,047 units of Star Group L.P. and a position of 20 shares in Berkshire Hathaway Inc. Class A stock.

The filing indicates that all positions are held in a 'DFND' status, which generally refers to a direct holding. The total number of shares reported across the portfolio is 9,226,001.