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S&CO INC Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for S&CO INC with $1.6B in long positions as of Q3 2025, 16% allocated to Healthcare, and 39% concentrated in top 10 positions.

Portfolio Value
$1.6B
Top 10 Concentration
39%
Top Sector
Healthcare (16%)
US Exposure
92%
Market Cap Focus
Mega Cap
Countries
6

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Healthcare: 16.10%HealthcareTechnology: 15.90%TechnologyIndustrials: 12.00%IndustrialsFinancial Services: 11.70%Financial ServicesBasic Materials: 10.70%Basic MaterialsCommunication Services: 10.10%Communication ServicesEnergy: 8.70%EnergyConsumer Defensive: 5.40%Consumer Cyclical: 5.20%ETF: 2.50%Utilities: 1.20%Real Estate: 0.20%
Healthcare
16.10%
Technology
15.90%
Industrials
12.00%
Financial Services
11.70%
Basic Materials
10.70%
Communication Services
10.10%
Energy
8.70%
Consumer Defensive
5.40%
Consumer Cyclical
5.20%
ETF
2.50%
Utilities
1.20%
Real Estate
0.20%

Industry Breakdown

71 industries across all sectors

Chemicals - Specialty: 7.49%Software - Infrastructure: 7.45%Drug Manufacturers - General: 5.35%Insurance - Diversified: 5.35%Medical - Devices: 4.72%Household & Personal Products: 4.37%Oil & Gas Integrated: 4.20%Staffing & Employment Services: 3.90%Consumer Electronics: 3.82%Internet Content & Information: 3.79%Entertainment: 3.78%Agricultural - Machinery: 3.53%Agricultural Inputs: 3.20%Uranium: 2.79%Financial - Credit Services: 2.69%Specialty Retail: 2.67%Telecommunications Services: 2.56%ETF: 2.51%Biotechnology: 2.19%Medical - Diagnostics & Research: 2.06%Oil & Gas Exploration & Production: 1.52%50 more: 19.96%50 more
Chemicals - Specialty
Basic Materials
7.49%
Software - Infrastructure
Technology
7.45%
Drug Manufacturers - General
Healthcare
5.35%
Insurance - Diversified
Financial Services
5.35%
Medical - Devices
Healthcare
4.72%
Household & Personal Products
Consumer Defensive
4.37%
Oil & Gas Integrated
Energy
4.20%
Staffing & Employment Services
Industrials
3.90%
Consumer Electronics
Technology
3.82%
Internet Content & Information
Communication Services
3.79%
Entertainment
Communication Services
3.78%
Agricultural - Machinery
Industrials
3.53%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mega Cap (> $200B): 44.46%Mega Cap (> $200B)Large Cap ($10B - $200B): 44.05%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 7.93%Small Cap ($300M - $2B): 0.88%Nano Cap (< $50M): 0.18%N/A (ETF or Unknown): 2.51%
Mega Cap (> $200B)
44.46%
Large Cap ($10B - $200B)
44.05%
Mid Cap ($2B - $10B)
7.93%
Small Cap ($300M - $2B)
0.88%
Nano Cap (< $50M)
0.18%
N/A (ETF or Unknown)
2.51%

Portfolio Concentration

Top 10 Holdings %
39.1%
Top 20 Holdings %
56.5%
Top 50 Holdings %
79.33%
Top 100 Holdings %
93.77%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
92.26%
International
7.74%
Countries
6
Largest Int'l Market
Canada - 3.44%
United States of America
92.26% ($1.4B)
192 holdings
Canada
3.44% ($53.5M)
4 holdings
United Kingdom
1.42% ($22.1M)
4 holdings
Ireland
1.33% ($20.7M)
5 holdings
Bermuda
0.80% ($12.5M)
3 holdings
Switzerland
0.73% ($11.3M)
3 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
42.2 quarters
Avg. Top 20
42.7 quarters
Avg. All Positions
25.9 quarters
Median Holding Period
26 quarters
Persistence Rate
88.15%
Persistent Holdings Weight
98.76%
Persistent Positions
186
Longest Held
Apple Inc. logo
Apple Inc.AAPL - 49 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
0.04%
Avg. Position Weight
0.47%
Largest Position
Microsoft Corp logo
Microsoft CorpMSFT - 5.59%
Largest Ownership Stake
Liberty Latin America Ltd. Class A Common Stock logo
Liberty Latin America Ltd. Class A Common StockLILA - 0.49%
Avg. Ownership Stake
0.06%
Ownership Stake >5%
0
Ownership Stake >1%
0

Historical (Since Q2 2013)

Avg. New Position
0.42%
Avg. Ownership Stake
0.07%
Largest Position
Exxon Mobil Corporation logo
Exxon Mobil CorporationXOM - 9.12% (Q2 2013)
Largest Ownership Stake
Liberty Latin America Ltd. Class A Common Stock logo
Liberty Latin America Ltd. Class A Common StockLILA - 1.21% (Q3 2022)

Portfolio Turnover

Current Quarter

Turnover Ratio
3.0%
Value Traded
$46.77M
Positions Added
3
Positions Exited
7

Historical (Since Q2 2013)

Avg. Turnover Ratio
3.3%
Avg. Positions Added
8
Avg. Positions Exited
6
Highest Turnover
7.4%
Q3 2014
Lowest Turnover
0.4%
Q3 2021

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