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Lubar & Co Portfolio holdings

AUM $126M
This Fund
S&P 500
This Quarter Est. Return
-2.08%
1 Year Est. Return
–
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$134M
AUM Growth
–
Cap. Flow
+$141M
Cap. Flow %
104.85%
Top 10 Hldgs %
100%
Holding
3
New
3
Increased
–
Reduced
–
Closed
–

Top Buys

Rank Stock Value
1
HNRG icon
Hallador Energy
HNRG
+$110M
2
SGU icon
Star Group
SGU
+$15.3M
3
BRK.A icon
Berkshire Hathaway Class A
BRK.A
+$14.9M

Top Sells

No sells this quarter

Sector Composition

Rank Sector Weight
1 Utilities 77.33%
2 Energy 11.43%
3 Financials 11.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HNRG icon
1
Hallador Energy
HNRG
$766M
$104M 77.33%
+5,452,019
New +$110M
SGU icon
2
Star Group
SGU
$416M
$15.3M 11.43%
+1,295,985
New +$15.3M
BRK.A icon
3
Berkshire Hathaway Class A
BRK.A
$1.08T
$15.1M 11.25%
+20
New +$14.9M

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YG
York GP Grand Cayman, Cayman Islands $126M AUM 24.86% 1-Year Est. Return
FF
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DI
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UOWF
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PGDP
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LHEI
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Lubar & Co's Q4 2025 Portfolio in Review

As of Q4 2025, Lubar & Co held 3 positions worth $134M. Its ten largest holdings account for 100% of the portfolio.

Lubar & Co deployed $141M of net new capital in Q4 2025, opening 3 new positions. Its largest new stake was Hallador Energy: 5,452,019 shares worth $104M.

By sector, the portfolio is most concentrated in Utilities at 77% of assets, followed by Energy and Financials.

  • Lubar & Co's largest Q4 2025 buy was Hallador Energy: 5,452,019 shares worth $104M.
  • Lubar & Co's ten largest holdings make up 100% of its $134M portfolio in Q4 2025.
  • Lubar & Co opened 3 new positions and closed 0 in Q4 2025.

Based on Lubar & Co's 13F filing for Q4 2025, filed 3 Feb 2026.