Portolan Capital Management, LLC logo

Portolan Capital Management, LLC Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for Portolan Capital Management, LLC with $1.8B in long positions as of Q3 2025, 36% allocated to Technology, and 32% concentrated in top 10 positions.

Portfolio Value
$1.8B
Top 10 Concentration
32%
Top Sector
Technology (36%)
US Exposure
82%
Market Cap Focus
Mid Cap
Countries
11

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Technology: 36.20%TechnologyIndustrials: 14.20%IndustrialsConsumer Cyclical: 12.50%Consumer CyclicalHealthcare: 9.30%HealthcareConsumer Defensive: 6.00%Real Estate: 5.10%Communication Services: 4.70%Financial Services: 2.70%Energy: 1.30%ETF: 0.70%Basic Materials: 0.40%
Technology
36.20%
Industrials
14.20%
Consumer Cyclical
12.50%
Healthcare
9.30%
Consumer Defensive
6.00%
Real Estate
5.10%
Communication Services
4.70%
Financial Services
2.70%
Energy
1.30%
ETF
0.70%
Basic Materials
0.40%

Industry Breakdown

44 industries across all sectors

Hardware, Equipment & Parts: 13.62%Hardware, Equipment & PartsSoftware - Infrastructure: 7.39%Semiconductors: 7.29%Aerospace & Defense: 6.79%Software - Application: 4.99%Auto - Parts: 4.63%Internet Content & Information: 4.00%Household & Personal Products: 3.89%Medical - Diagnostics & Research: 3.67%REIT - Diversified: 3.46%Electrical Equipment & Parts: 3.27%Medical - Devices: 2.72%Apparel - Manufacturers: 2.59%Specialty Retail: 2.22%Financial - Credit Services: 2.20%Real Estate - Services: 1.67%Engineering & Construction: 1.52%Communication Equipment: 1.51%Apparel - Footwear & Accessories: 1.39%Industrial - Machinery: 1.38%24 more: 12.95%24 more
Hardware, Equipment & Parts
Technology
13.62%
Software - Infrastructure
Technology
7.39%
Semiconductors
Technology
7.29%
Aerospace & Defense
Industrials
6.79%
Software - Application
Technology
4.99%
Auto - Parts
Consumer Cyclical
4.63%
Internet Content & Information
Communication Services
4.00%
Household & Personal Products
Consumer Defensive
3.89%
Medical - Diagnostics & Research
Healthcare
3.67%
REIT - Diversified
Real Estate
3.46%
Electrical Equipment & Parts
Industrials
3.27%
Medical - Devices
Healthcare
2.72%

Filter by Sector

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Market Cap Distribution

Mega Cap (> $200B): 0.87%Large Cap ($10B - $200B): 20.50%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 44.62%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 28.18%Small Cap ($300M - $2B)Micro Cap ($50M - $300M): 3.26%Nano Cap (< $50M): 0.22%N/A (ETF or Unknown): 2.35%
Mega Cap (> $200B)
0.87%
Large Cap ($10B - $200B)
20.50%
Mid Cap ($2B - $10B)
44.62%
Small Cap ($300M - $2B)
28.18%
Micro Cap ($50M - $300M)
3.26%
Nano Cap (< $50M)
0.22%
N/A (ETF or Unknown)
2.35%

Portfolio Concentration

Top 10 Holdings %
31.58%
Top 20 Holdings %
49.35%
Top 50 Holdings %
77.83%
Top 100 Holdings %
98.14%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
81.67%
International
18.33%
Countries
11
Largest Int'l Market
Canada - 6.28%
United States of America
81.67% ($1.5B)
104 holdings
Canada
6.28% ($116.1M)
3 holdings
Israel
5.22% ($96.5M)
4 holdings
United Kingdom
2.42% ($44.7M)
1 holdings
Singapore
1.87% ($34.5M)
1 holdings
Italy
0.70% ($12.9M)
1 holdings
Cayman Islands
0.57% ($10.5M)
1 holdings
Colombia
0.40% ($7.3M)
1 holdings
Costa Rica
0.34% ($6.4M)
1 holdings
China
0.34% ($6.3M)
1 holdings
Switzerland
0.19% ($3.5M)
1 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
8.3 quarters
Avg. Top 20
8.8 quarters
Avg. All Positions
6.3 quarters
Median Holding Period
3 quarters
Persistence Rate
45.38%
Persistent Holdings Weight
60.54%
Persistent Positions
54
Longest Held
Casella Waste Systems Inc logo
Casella Waste Systems IncCWST - 49 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
0.49%
Avg. Position Weight
0.84%
Largest Position
Modine Manufacturing Co logo
Modine Manufacturing CoMOD - 4.63%
Largest Ownership Stake
Quanterix Corporation Common Stock logo
Quanterix Corporation Common StockQTRX - 9.17%
Avg. Ownership Stake
1.46%
Ownership Stake >5%
6
Ownership Stake >1%
36

Historical (Since Q2 2013)

Avg. New Position
0.88%
Avg. Ownership Stake
1.12%
Largest Position
Bandwidth Inc. Class A Common Stock logo
Bandwidth Inc. Class A Common StockBAND - 9.71% (Q1 2019)
Largest Ownership Stake
BlueLinx Holdings Inc. logo
BlueLinx Holdings Inc.BXC - 18.41% (Q2 2013)

Portfolio Turnover

Current Quarter

Turnover Ratio
34.0%
Value Traded
$628.35M
Positions Added
22
Positions Exited
40

Historical (Since Q2 2013)

Avg. Turnover Ratio
32.4%
Avg. Positions Added
23
Avg. Positions Exited
29
Highest Turnover
61.7%
Q1 2020
Lowest Turnover
18.7%
Q4 2019

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