BERKSHIRE ASSET MANAGEMENT LLC/PA logo

BERKSHIRE ASSET MANAGEMENT LLC/PA Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for BERKSHIRE ASSET MANAGEMENT LLC/PA with $2.4B in long positions as of Q3 2025, 18% allocated to Financial Services, and 30% concentrated in top 10 positions.

Portfolio Value
$2.4B
Top 10 Concentration
30%
Top Sector
Financial Services (18%)
US Exposure
96%
Market Cap Focus
Large Cap
Countries
6

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Financial Services: 17.50%Financial ServicesTechnology: 17.40%TechnologyIndustrials: 14.10%IndustrialsETF: 12.10%ETFHealthcare: 9.90%HealthcareConsumer Defensive: 8.90%Consumer DefensiveConsumer Cyclical: 6.70%Energy: 6.10%Basic Materials: 2.20%Utilities: 2.20%Communication Services: 1.20%Real Estate: 1.00%
Financial Services
17.50%
Technology
17.40%
Industrials
14.10%
ETF
12.10%
Healthcare
9.90%
Consumer Defensive
8.90%
Consumer Cyclical
6.70%
Energy
6.10%
Basic Materials
2.20%
Utilities
2.20%
Communication Services
1.20%
Real Estate
1.00%

Industry Breakdown

79 industries across all sectors

ETF: 12.14%ETFBanks - Diversified: 8.54%Banks - DiversifiedDrug Manufacturers - General: 7.53%Software - Infrastructure: 4.38%Banks - Regional: 4.20%Industrial - Machinery: 3.32%Consumer Electronics: 3.03%Semiconductors: 2.92%Oil & Gas Integrated: 2.79%Food Confectioners: 2.74%Communication Equipment: 2.55%Residential Construction: 2.40%Hardware, Equipment & Parts: 2.39%Aerospace & Defense: 2.31%Waste Management: 2.21%Railroads: 2.12%Steel: 2.11%Regulated Electric: 2.01%Medical - Devices: 2.00%Conglomerates: 1.94%Computer Hardware: 1.88%Financial - Capital Markets: 1.82%Home Improvement: 1.79%56 more: 20.16%56 more
ETF
ETF
12.14%
Banks - Diversified
Financial Services
8.54%
Drug Manufacturers - General
Healthcare
7.53%
Software - Infrastructure
Technology
4.38%
Banks - Regional
Financial Services
4.20%
Industrial - Machinery
Industrials
3.32%
Consumer Electronics
Technology
3.03%
Semiconductors
Technology
2.92%
Oil & Gas Integrated
Energy
2.79%
Food Confectioners
Consumer Defensive
2.74%
Communication Equipment
Technology
2.55%
Residential Construction
Consumer Cyclical
2.40%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mega Cap (> $200B): 38.02%Mega Cap (> $200B)Large Cap ($10B - $200B): 48.06%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 0.92%Small Cap ($300M - $2B): 0.34%Micro Cap ($50M - $300M): 0.05%Nano Cap (< $50M): 0.03%N/A (ETF or Unknown): 12.59%N/A (ETF or Unknown)
Mega Cap (> $200B)
38.02%
Large Cap ($10B - $200B)
48.06%
Mid Cap ($2B - $10B)
0.92%
Small Cap ($300M - $2B)
0.34%
Micro Cap ($50M - $300M)
0.05%
Nano Cap (< $50M)
0.03%
N/A (ETF or Unknown)
12.59%

Portfolio Concentration

Top 10 Holdings %
30.1%
Top 20 Holdings %
49.41%
Top 50 Holdings %
83.27%
Top 100 Holdings %
93.86%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
95.64%
International
4.36%
Countries
6
Largest Int'l Market
Switzerland - 3.93%
United States of America
95.64% ($2.3B)
285 holdings
Switzerland
3.93% ($92.5M)
2 holdings
Ireland
0.32% ($7.6M)
4 holdings
Taiwan
0.04% ($1.0M)
1 holdings
Canada
0.04% ($878.4K)
4 holdings
United Kingdom
0.03% ($727.0K)
2 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
48.8 quarters
Avg. Top 20
47 quarters
Avg. All Positions
22.6 quarters
Median Holding Period
19 quarters
Persistence Rate
78.86%
Persistent Holdings Weight
95.78%
Persistent Positions
235
Longest Held
SPDR S&P 500 ETF Trust logo
SPDR S&P 500 ETF TrustSPY - 49 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
0.02%
Avg. Position Weight
0.34%
Largest Position
JPMorgan Chase & Co. logo
JPMorgan Chase & Co.JPM - 4.73%
Largest Ownership Stake
Seer, Inc. Class A Common Stock logo
Seer, Inc. Class A Common StockSEER - 0.49%
Avg. Ownership Stake
0.04%
Ownership Stake >5%
0
Ownership Stake >1%
0

Historical (Since Q2 2013)

Avg. New Position
0.28%
Avg. Ownership Stake
0.04%
Largest Position
Microsoft Corp logo
Microsoft CorpMSFT - 5.04% (Q2 2020)
Largest Ownership Stake
Cumberland Pharmaceuticals Inc logo
Cumberland Pharmaceuticals IncCPIX - 1.28% (Q2 2022)

Portfolio Turnover

Current Quarter

Turnover Ratio
1.0%
Value Traded
$24.21M
Positions Added
7
Positions Exited
12

Historical (Since Q2 2013)

Avg. Turnover Ratio
4.9%
Avg. Positions Added
12
Avg. Positions Exited
14
Highest Turnover
8.9%
Q4 2013
Lowest Turnover
0.8%
Q3 2023

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