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Super Investors SOUTHPORT MANAGEMENT, L.L.C.
SM

SOUTHPORT MANAGEMENT, L.L.C.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$28.6M
Positions
29
Quarter ended
December 31, 2025
Filed
February 13, 2026

Reported portfolio value by quarter (51 quarters reported)

$95.6M $8.97M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q4 25

$71.2M in Q2 2013 → $28.6M now. Hover for any quarter.

Holdings

As reported for the quarter ended December 31, 2025. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
HI Honeywell Intl Inc 9.6% New 14,060 $2.74M
Cameco Corp 8.8% Trimmed 8.3% 27,500 $2.52M
AE Alps ETF Tr 6.6% Added 33% 40,500 $1.9M
Immuneering Corp 6.4% Added 1.8% 277,501 $1.83M
Cheniere Energy Inc 5.4% Trimmed 17% 7,900 $1.54M
PT Proshares Tr 4.8% New 20,000 $1.37M
Eqt Corp 4.7% Added 67% 25,000 $1.34M
3m Co 4.5% Unchanged 8,000 $1.28M
Exxon Mobil Corp 4.2% Unchanged 10,000 $1.2M
PT Proshares Tr 4.2% Added 74% 59,000 $1.19M
NH Navigator Hldgs Ltd 4.1% Unchanged 67,500 $1.17M
Cheniere Energy Partners LP 3.6% Unchanged 19,409 $1.04M
Medtronic PLC 3.4% Unchanged 10,000 $961K
SL Slb Limited 3.3% Unchanged 25,000 $960K
Expand Energy Corporation 3.3% Unchanged 8,670 $957K
Emcor Group Inc 3.2% Unchanged 1,500 $918K
United Parcel Service Inc 2.6% New 7,500 $744K
DE Devon Energy Corp New 2.2% Unchanged 17,320 $634K
SA Solstice Advanced Matls Inc 2.2% New 12,900 $627K
Bridgebio Pharma Inc 2.0% Trimmed 25% 7,500 $574K
Encore Energy Corp 1.9% Unchanged 225,000 $558K
DH Diversified Healthcare Tr 1.9% Unchanged 110,000 $534K
KT Knight-swift Transn Hldgs In 1.8% New 10,000 $523K
Asp Isotopes Inc 1.6% Added 183% 85,000 $455K
Denison Mines Corp 1.4% Unchanged 151,000 $402K
OD Old Dominion Freight Line In 0.9% New 1,700 $267K
Saia Inc 0.9% New 800 $261K
SB Skyline Bldrs Group Hldg Ltd 0.4% Unchanged 38,200 $112K
Diana Shipping Inc 0.2% Unchanged 26,116 $43.4K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
HI Honeywell Intl Inc New +14,060 +$2.74M 9.6%
PT Proshares Tr New +20,000 +$1.37M 4.8%
PT Proshares Tr Exited −65,000 −$939K —
VE Vaneck ETF Trust Exited −12,000 −$917K —
United Parcel Service Inc New +7,500 +$744K 2.6%
I Ishares Inc Exited −10,000 −$675K —
SA Solstice Advanced Matls Inc New +12,900 +$627K 2.2%
Eqt Corp Added +10,000 +$536K 4.7%
Qxo Inc Exited −27,500 −$524K —
KT Knight-swift Transn Hldgs In New +10,000 +$523K 1.8%

Showing the 10 largest of 20 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Medtronic PLC New +10,000 +$952K 3.9%
Eqt Corp New +15,000 +$816K 3.4%
Cheniere Energy Inc Trimmed −2,500 −$587K 9.2%
Chubb Limited Exited −2,000 −$579K —
TH Ttec Hldgs Inc Exited −82,500 −$397K —
DE Devon Energy Corp New Added +10,000 +$351K 2.5%
Asp Isotopes Inc New +30,000 +$289K 1.2%
Bridgebio Pharma Inc Trimmed −5,000 −$260K 2.1%
PT Proshares Tr Added +10,000 +$215K 3.0%
Immuneering Corp Added +27,501 +$193K 7.9%

Showing the 10 largest of 18 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
EC Eastman Chem Co Exited −12,000 −$1.06M —
MG Myr Group Inc Del Exited −6,000 −$679K —
VE Vaneck ETF Trust New +12,000 +$625K 3.0%
Baker Hughes Company Exited −12,500 −$549K —
FN Fluor Corp New Exited −15,100 −$541K —
QS Quanta Svcs Inc Exited −2,000 −$508K —
S Schlumberger Ltd Trimmed −15,000 −$507K 3.3%
Qxo Inc New +22,500 +$485K 2.4%
I Ishares Inc New +7,500 +$474K 2.3%
Crown Castle Inc Exited −4,000 −$417K —

Showing the 10 largest of 19 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc Exited −6,000 −$1.14M —
US United Sts Nat Gas Fd LP Exited −60,000 −$1.01M —
S Schlumberger Ltd Added +20,000 +$836K 6.3%
Nvidia Corporation Trimmed −6,800 −$737K 1.5%
Marvell Technology Inc Exited −6,500 −$718K —
Eqt Corp Exited −15,000 −$692K —
Archrock Inc Exited −27,500 −$684K —
Baker Hughes Company New +12,500 +$549K 2.4%
QS Quanta Svcs Inc New +2,000 +$508K 2.2%
Arm Holdings PLC Exited −4,000 −$493K —

Showing the 10 largest of 27 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc New +6,000 +$1.14M 4.1%
Diamondback Energy Inc Exited −6,000 −$1.03M —
MG Myr Group Inc Del New +6,000 +$893K 3.2%
Expand Energy Corporation New +8,670 +$863K 3.1%
Marvell Technology Inc New +6,500 +$718K 2.6%
Southwestern Energy Co Exited −100,000 −$711K —
Eqt Corp New +15,000 +$692K 2.5%
Archrock Inc New +27,500 +$684K 2.5%
Iridium Communications Inc Exited −20,000 −$609K —
PH Paypal Hldgs Inc Exited −7,500 −$585K —

Showing the 10 largest of 24 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Exxon Mobil Corp Added +7,500 +$879K 6.5%
Emcor Group Inc Trimmed −1,800 −$775K 4.0%
Pfizer Inc New +25,000 +$724K 2.7%
S Schlumberger Ltd New +15,000 +$629K 2.3%
Iridium Communications Inc New +20,000 +$609K 2.3%
PH Paypal Hldgs Inc New +7,500 +$585K 2.2%
Diamondback Energy Inc Added +3,000 +$517K 3.8%
Vertiv Holdings Co New +4,000 +$398K 1.5%
Encore Energy Corp Added +75,000 +$303K 1.9%
Enerflex Ltd Trimmed −50,000 −$298K 0.3%

Showing the 10 largest of 16 changes.

Q2 2024

quarter ended June 30, 2024 · filed August 14, 2024

Company Action Shares changed Value of change % of portfolio
S Schlumberger Ltd Exited −25,000 −$1.37M —
PT Proshares Tr New +31,000 +$1.19M 5.3%
FN Fidelity Natl Information Sv Exited −15,000 −$1.11M —
Nvidia Corporation Added +9,000 +$1.11M 5.5%
3m Co New +8,500 +$869K 3.9%
US United Sts Nat Gas Fd LP New +45,000 +$784K 3.5%
GX Global X Fds Exited −26,300 −$758K —
PT Proshares Tr Exited −80,000 −$717K —
LN Lincoln Natl Corp Ind Exited −20,000 −$639K —
Conocophillips Exited −5,000 −$636K —

Showing the 10 largest of 25 changes.

Q1 2024

quarter ended March 31, 2024 · filed May 15, 2024

Company Action Shares changed Value of change % of portfolio
HN Hexcel Corp New Exited −22,500 −$1.66M —
EC Eastman Chem Co Added +14,800 +$1.48M 6.6%
S Schlumberger Ltd New +25,000 +$1.37M 5.0%
FN Fidelity Natl Information Sv New +15,000 +$1.11M 4.1%
Emcor Group Inc Trimmed −3,000 −$1.05M 5.5%
Nvidia Corporation New +1,000 +$904K 3.3%
SS SPDR Ser Tr Exited −9,000 −$804K —
US United Sts Nat Gas Fd LP Exited −150,000 −$761K —
LN Lincoln Natl Corp Ind New +20,000 +$639K 2.4%
DA Delta Airlines Inc Del Exited −10,000 −$402K —

Showing the 10 largest of 20 changes.

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