TANAKA CAPITAL MANAGEMENT INC logo

TANAKA CAPITAL MANAGEMENT INC Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for TANAKA CAPITAL MANAGEMENT INC with $68.8M in long positions as of Q3 2025, 25% allocated to ETF, and 77% concentrated in top 10 positions.

Portfolio Value
$68.8M
Top 10 Concentration
77%
Top Sector
ETF (25%)
US Exposure
90%
Market Cap Focus
Mid Cap
Countries
3

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

ETF: 25.20%ETFHealthcare: 20.50%HealthcareTechnology: 18.10%TechnologyFinancial Services: 12.50%Financial ServicesEnergy: 9.30%EnergyBasic Materials: 7.50%Industrials: 2.20%Consumer Defensive: 2.20%Consumer Cyclical: 1.60%Communication Services: 0.90%
ETF
25.20%
Healthcare
20.50%
Technology
18.10%
Financial Services
12.50%
Energy
9.30%
Basic Materials
7.50%
Industrials
2.20%
Consumer Defensive
2.20%
Consumer Cyclical
1.60%
Communication Services
0.90%

Industry Breakdown

23 industries across all sectors

ETF: 25.23%ETFBiotechnology: 20.47%BiotechnologySemiconductors: 13.14%SemiconductorsUranium: 9.27%UraniumIndustrial Materials: 7.46%Consumer Electronics: 4.80%17 more: 19.62%17 more
ETF
ETF
25.23%
Biotechnology
Healthcare
20.47%
Semiconductors
Technology
13.14%
Uranium
Energy
9.27%
Industrial Materials
Basic Materials
7.46%
Consumer Electronics
Technology
4.80%
Shell Companies
Financial Services
3.41%
Insurance - Life
Financial Services
3.31%
Asset Management
Financial Services
2.63%
Electrical Equipment & Parts
Industrials
2.18%
Financial - Capital Markets
Financial Services
2.11%
Specialty Retail
Consumer Cyclical
1.61%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mega Cap (> $200B): 16.64%Mega Cap (> $200B)Large Cap ($10B - $200B): 14.89%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 29.84%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 11.14%Small Cap ($300M - $2B)Micro Cap ($50M - $300M): 2.24%N/A (ETF or Unknown): 25.23%N/A (ETF or Unknown)
Mega Cap (> $200B)
16.64%
Large Cap ($10B - $200B)
14.89%
Mid Cap ($2B - $10B)
29.84%
Small Cap ($300M - $2B)
11.14%
Micro Cap ($50M - $300M)
2.24%
N/A (ETF or Unknown)
25.23%

Portfolio Concentration

Top 10 Holdings %
76.84%
Top 20 Holdings %
96.75%
Top 50 Holdings %
100.0%
Top 100 Holdings %
100.0%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
89.87%
International
10.13%
Countries
3
Largest Int'l Market
Canada - 9.95%
United States of America
89.87% ($61.8M)
36 holdings
Canada
9.95% ($6.8M)
3 holdings
Ireland
0.18% ($126.0K)
1 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
0 quarters
Avg. Top 20
0 quarters
Avg. All Positions
0 quarters
Median Holding Period
0 quarters
Persistence Rate
-
Persistent Holdings Weight
-
Persistent Positions
0
Longest Held
NexGen Energy Ltd. logo
NexGen Energy Ltd.NXE - 0 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
4.44%
Avg. Position Weight
2.50%
Largest Position
iShares Core S&P Small-Cap ETF logo
iShares Core S&P Small-Cap ETFIJR - 24.94%
Largest Ownership Stake
United States Antimony Corporation logo
United States Antimony CorporationUAMY - 0.64%
Avg. Ownership Stake
0.13%
Ownership Stake >5%
0
Ownership Stake >1%
0

Historical (Since Q2 2013)

Avg. New Position
2.11%
Avg. Ownership Stake
0.05%
Largest Position
Apple Inc. logo
Apple Inc.AAPL - 27.93% (Q3 2020)
Largest Ownership Stake
Neonode Inc. Common Stock logo
Neonode Inc. Common StockNEON - 1.67% (Q2 2014)

Portfolio Turnover

Current Quarter

Turnover Ratio
24.9%
Value Traded
$17.12M
Positions Added
3
Positions Exited
0

Historical (Since Q2 2013)

Avg. Turnover Ratio
7.8%
Avg. Positions Added
3
Avg. Positions Exited
2
Highest Turnover
24.9%
Q3 2025
Lowest Turnover
0.8%
Q4 2022

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