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Summa Corp. Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for Summa Corp. with $227.4M in long positions as of Q3 2025, 73% allocated to Technology, and 79% concentrated in top 10 positions.

Portfolio Value
$227.4M
Top 10 Concentration
79%
Top Sector
Technology (73%)
US Exposure
100%
Market Cap Focus
Mega Cap
Countries
2

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Technology: 72.90%TechnologyETF: 11.30%ETFFinancial Services: 3.80%Consumer Cyclical: 2.10%Communication Services: 1.90%Healthcare: 1.40%Consumer Defensive: 1.10%Energy: 1.00%Real Estate: 0.40%Industrials: 0.20%
Technology
72.90%
ETF
11.30%
Financial Services
3.80%
Consumer Cyclical
2.10%
Communication Services
1.90%
Healthcare
1.40%
Consumer Defensive
1.10%
Energy
1.00%
Real Estate
0.40%
Industrials
0.20%

Industry Breakdown

26 industries across all sectors

Semiconductors: 64.42%SemiconductorsETF: 11.28%ETFSoftware - Infrastructure: 5.67%Specialty Retail: 2.07%Financial - Credit Services: 1.92%Internet Content & Information: 1.68%20 more: 8.97%20 more
Semiconductors
Technology
64.42%
ETF
ETF
11.28%
Software - Infrastructure
Technology
5.67%
Specialty Retail
Consumer Cyclical
2.07%
Financial - Credit Services
Financial Services
1.92%
Internet Content & Information
Communication Services
1.68%
Consumer Electronics
Technology
1.43%
Software - Application
Technology
1.38%
Insurance - Diversified
Financial Services
1.02%
Discount Stores
Consumer Defensive
0.93%
Drug Manufacturers - General
Healthcare
0.81%
Banks - Diversified
Financial Services
0.75%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mega Cap (> $200B): 77.20%Mega Cap (> $200B)Large Cap ($10B - $200B): 5.80%Mid Cap ($2B - $10B): 0.09%Micro Cap ($50M - $300M): 1.22%N/A (ETF or Unknown): 15.69%N/A (ETF or Unknown)
Mega Cap (> $200B)
77.20%
Large Cap ($10B - $200B)
5.80%
Mid Cap ($2B - $10B)
0.09%
Micro Cap ($50M - $300M)
1.22%
N/A (ETF or Unknown)
15.69%

Portfolio Concentration

Top 10 Holdings %
78.53%
Top 20 Holdings %
86.94%
Top 50 Holdings %
96.42%
Top 100 Holdings %
100.0%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
99.58%
International
0.419%
Countries
2
Largest Int'l Market
Taiwan - 0.42%
United States of America
99.58% ($226.5M)
75 holdings
Taiwan
0.42% ($951.8K)
1 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
6.6 quarters
Avg. Top 20
5.6 quarters
Avg. All Positions
4.5 quarters
Median Holding Period
7 quarters
Persistence Rate
60.53%
Persistent Holdings Weight
89.25%
Persistent Positions
46
Longest Held
BERKSHIRE HATHAWAY Class B logo
BERKSHIRE HATHAWAY Class BBRK.B - 7 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
0.49%
Avg. Position Weight
1.32%
Largest Position
Nvidia Corp logo
Nvidia CorpNVDA - 50.43%
Largest Ownership Stake
Oportun Financial Corporation Common Stock logo
Oportun Financial Corporation Common StockOPRT - 1.02%
Avg. Ownership Stake
0.02%
Ownership Stake >5%
0
Ownership Stake >1%
1

Historical (Since Q4 2023)

Avg. New Position
1.13%
Avg. Ownership Stake
0.02%
Largest Position
Nvidia Corp logo
Nvidia CorpNVDA - 53.38% (Q4 2024)
Largest Ownership Stake
Oportun Financial Corporation Common Stock logo
Oportun Financial Corporation Common StockOPRT - 1.65% (Q4 2023)

Portfolio Turnover

Current Quarter

Turnover Ratio
4.6%
Value Traded
$10.39M
Positions Added
4
Positions Exited
6

Historical (Since Q4 2023)

Avg. Turnover Ratio
11.7%
Avg. Positions Added
12
Avg. Positions Exited
4
Highest Turnover
50.0%
Q4 2023
Lowest Turnover
2.3%
Q3 2024

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