Lubar & Co., Inc - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 3, 2026, for the 2025 Q4 period, Lubar & Co., Inc held in its portfolio 3 assets valued at $134,246,904 (i.e. $134.25M).

The most valuable assets in the portfolio included: Hallador Energy Company ($103.81M), Star Group L.P. ($15.34M), and Berkshire Hathaway Inc. ($15.10M).

The chart below shows the top 3 valuable assets, and the table below shows the top 3 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Lubar & Co., Inc Portfolio

Hallador Energy Company

Star Group L.P.

Berkshire Hathaway Inc.

Lubar & Co., Inc - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
Hallador Energy Company	5452019	103806442	COM
Star Group L.P.	1295985	15344462	UNIT
Berkshire Hathaway Inc.	20	15096000	CL A