TANAKA CAPITAL MANAGEMENT INC

CIK 0000816788 · Q1 2026

13F Equity AUM

$60K

-100.0% QoQ

Positions

-1 QoQ

AUM Rank

#12,478

Top 99%

Skill Alpha (FF)

+2.8%/yr^ns

No Clear Edge

Rank #1,109 · Top 13%

vs S&P +1.6%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 39.0%Top 10: 64.6%Top 20: 93.9%

UAMY9.0%

NXE8.5%

HTD7.5%

NVDA7.2%

AUGO6.8%

NUVB6.5%

AAPL5.5%

IJR4.7%

CPRX4.7%

ONTO4.3%

Others (32)35.4%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Technology23.0%

Financial Services20.2%

Basic Materials17.5%

Energy12.4%

Healthcare11.2%

Industrials7.2%

Unclassified2.8%

Consumer Cyclical2.1%

Other3.5%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 42Median: 1.66%Avg: 2.38%

0–0.5%

18(1.3%)

0.5–1%

2(1.6%)

1–3%

7(13.9%)

3–5%

8(32.4%)

5%+

7(50.9%)

Count of positions per weight bucket — (%) = combined portfolio weight

Loading summary cards...

Portfolio Overlap

Shared: 0Unique: 42vs 20 funds

0%Low

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Loading overlap analysis...

Position Changes This Quarter

New0Increased9Decreased13Exited1

Increased

IJR4.7%

+125K(+132%)

NUVB6.5%

+60K(+7%)

SF2.4%

+6K(+50%)

AUGO6.8%

+5K(+12%)

CCO3.9%

+5K(+32%)

PEP1.8%

+4K(+141%)

QCOM2.0%

+1K(+18%)

AMZN2.1%

+1K(+20%)

MA1.6%

+692(+58%)

Decreased

4I10.8%

-3,485(-55%)

NXE8.5%

-3,420(-1%)

CPRX4.7%

-1,000(-1%)

ONTO4.3%

-385(-3%)

AFL3.7%

-330(-2%)

SYM3.8%

-260(-1%)

HTD7.5%

-230(-0%)

AAPL5.5%

-78(-1%)

AMAT4.0%

-35(-1%)

NVDA7.2%

-30(-0%)

Exited

GTLS

-170

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

Loading position changes...

Holdings

Loading holdings...