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SOUTHPORT MANAGEMENT, L.L.C. Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for SOUTHPORT MANAGEMENT, L.L.C. with $24.2M in long positions as of Q3 2025, 47% allocated to Energy, and 60% concentrated in top 10 positions.

Portfolio Value
$24.2M
Top 10 Concentration
60%
Top Sector
Energy (47%)
US Exposure
79%
Market Cap Focus
Large Cap
Countries
5

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Energy: 47.00%EnergyETF: 15.50%ETFHealthcare: 13.90%HealthcareIndustrials: 9.30%IndustrialsTechnology: 2.20%Basic Materials: 1.20%
Energy
47.00%
ETF
15.50%
Healthcare
13.90%
Industrials
9.30%
Technology
2.20%
Basic Materials
1.20%

Industry Breakdown

13 industries across all sectors

Oil & Gas Midstream: 17.83%Oil & Gas MidstreamETF: 15.49%ETFUranium: 15.07%UraniumBiotechnology: 10.01%BiotechnologyOil & Gas Exploration & Production: 5.87%Conglomerates: 5.12%Oil & Gas Integrated: 4.65%Engineering & Construction: 4.02%Medical - Devices: 3.93%4 more: 7.08%
Oil & Gas Midstream
Energy
17.83%
ETF
ETF
15.49%
Uranium
Energy
15.07%
Biotechnology
Healthcare
10.01%
Oil & Gas Exploration & Production
Energy
5.87%
Conglomerates
Industrials
5.12%
Oil & Gas Integrated
Energy
4.65%
Engineering & Construction
Industrials
4.02%
Medical - Devices
Healthcare
3.93%
Oil & Gas Equipment & Services
Energy
3.55%
Software - Application
Technology
2.16%
Chemicals
Basic Materials
1.19%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mega Cap (> $200B): 4.65%Large Cap ($10B - $200B): 53.05%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 3.86%Small Cap ($300M - $2B): 15.16%Small Cap ($300M - $2B)Micro Cap ($50M - $300M): 0.18%Nano Cap (< $50M): 1.73%N/A (ETF or Unknown): 21.37%N/A (ETF or Unknown)
Mega Cap (> $200B)
4.65%
Large Cap ($10B - $200B)
53.05%
Mid Cap ($2B - $10B)
3.86%
Small Cap ($300M - $2B)
15.16%
Micro Cap ($50M - $300M)
0.18%
Nano Cap (< $50M)
1.73%
N/A (ETF or Unknown)
21.37%

Portfolio Concentration

Top 10 Holdings %
59.71%
Top 20 Holdings %
91.54%
Top 50 Holdings %
100.0%
Top 100 Holdings %
100.0%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
79.48%
International
20.52%
Countries
5
Largest Int'l Market
Canada - 12.09%
United States of America
79.48% ($19.3M)
22 holdings
Canada
12.09% ($2.9M)
2 holdings
United Kingdom
4.31% ($1.0M)
1 holdings
Ireland
3.93% ($952.4K)
1 holdings
Greece
0.18% ($43.9K)
1 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
12.3 quarters
Avg. Top 20
9.6 quarters
Avg. All Positions
8.5 quarters
Median Holding Period
6 quarters
Persistence Rate
59.26%
Persistent Holdings Weight
71.87%
Persistent Positions
16
Longest Held
ProShares UltraShort QQQ logo
ProShares UltraShort QQQQID - 32 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
2.05%
Avg. Position Weight
3.70%
Largest Position
Cameco Corporation logo
Cameco CorporationCCJ - 10.38%
Largest Ownership Stake
Immuneering Corporation Class A Common Stock logo
Immuneering Corporation Class A Common StockIMRX - 0.43%
Avg. Ownership Stake
0.05%
Ownership Stake >5%
0
Ownership Stake >1%
0

Historical (Since Q2 2013)

Avg. New Position
3.09%
Avg. Ownership Stake
0.02%
Largest Position
iShares Russell 2000 ETF logo
iShares Russell 2000 ETFIWM - 25.81% (Q4 2018)
Largest Ownership Stake
Immuneering Corporation Class A Common Stock logo
Immuneering Corporation Class A Common StockIMRX - 0.69% (Q4 2024)

Portfolio Turnover

Current Quarter

Turnover Ratio
13.6%
Value Traded
$3.30M
Positions Added
5
Positions Exited
2

Historical (Since Q2 2013)

Avg. Turnover Ratio
31.0%
Avg. Positions Added
6
Avg. Positions Exited
8
Highest Turnover
181.4%
Q1 2020
Lowest Turnover
12.2%
Q2 2015

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