Lubar & Co., Inc

CIK 0001473033 · MILWAUKEE, WI · Quarter end: 2026-06-30 · Filed on: 2026-07-28 · Open the SEC source ↗

Lubar & Co., Inc reported 3 positions worth $126.4M as of June 30, 2026 (13F filed July 28, 2026). Largest holding: HNRG (75.0%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.

$126.4M

2026 Q2

Positions

Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.

100.0%

Est. Net Flow (Q)

—

2026 Q2

Positions Changes Mix History BacktestPRO

3 positions shown

#	Symbol	Company	Type	Value ↓	% Port.	Shares	1Y	YTD
▸ 1	HNRG	Hallador Energy Company	SH	$94.8M	74.99%	5,452,019	—	—
▸ 2	SGU	Star Group L.P.	SH	$16.6M	13.16%	1,295,985	—	—
▸ 3	BRK-A	Berkshire Hathaway Inc.	SH	$15.0M	11.85%	20	—	—

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Lubar & Co., Inc hold as of Q2 2026?

Lubar & Co., Inc reported 3 positions worth $126.4M in its Q2 2026 13F filing. Largest positions: HNRG (75.0%), SGU (13.2%) and BRK-A (11.8%).

What did Lubar & Co., Inc buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Lubar & Co., Inc sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.