TANAKA CAPITAL MANAGEMENT INC

RIA/Wealth

TANAKA CAPITAL MANAGEMENT INC is a RIA/Wealth based in New York, NY led by Graham Yoshio Tanaka, managing $68.8M across 40 long positions as of Q3 2025 with 77% concentrated in top 10 holdings and 25% allocation to IJR.

PresidentGraham Yoshio Tanaka

Portfolio Value: $68.8M
Positions: 40
Top Holding: IJR at 24.94%
Last Reported: Q3 2025

Address60 East 42nd Street, Suite 4000, New York, NY, 10165, United States

Top Holdings

Largest long holdings in TANAKA CAPITAL MANAGEMENT INC's portfolio (76.8% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 iShares Core S&P Small-Cap ETF IJR	ETF ETF	$17.2M	24.94%	+$17.1M Bought	— 144.3K shares	Q3 2025 Held for 2 months
2 Corcept Therapeutics CORT	Biotechnology Healthcare	$9.2M	13.44%	+$1.5M Bought	0.11% 111.2K shares	Q3 2025 Held for 2 months
3 United States Antimony UAMY	Industrial Materials Basic Materials	$5.1M	7.46%	+$5.1M New	0.64% 827.0K shares	Q3 2025 Held for 2 months
4 Nvidia NVDA	Semiconductors Technology	$4.6M	6.75%	-$776.7K Sold	0.00% 24.9K shares	Q3 2025 Held for 2 months
5 NexGen Energy NXE	Uranium Energy	$4.0M	5.76%	-$1.1M Sold	0.08% 442.6K shares	Q3 2025 Held for 2 months
6 Apple AAPL	Consumer Electronics Technology	$3.3M	4.80%	-$2.3M Sold	0.00% 13.0K shares	Q3 2025 Held for 2 months
7 Nuvation Bio NUVB	Biotechnology Healthcare	$2.5M	3.69%	+$2.5M New	0.20% 685.1K shares	Q3 2025 Held for 2 months
8 Symbotic Inc. SYM	Shell Companies Financial Services	$2.3M	3.41%	-$534.8K Sold	0.04% 43.5K shares	Q3 2025 Held for 2 months
9 Aflac AFL	Insurance - Life Financial Services	$2.3M	3.31%	-$293.2K Sold	0.00% 20.4K shares	Q3 2025 Held for 2 months
10 Catalyst Pharmaceutical CPRX	Biotechnology Healthcare	$2.3M	3.28%	-$738.3K Sold	0.09% 114.4K shares	Q3 2025 Held for 2 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in TANAKA CAPITAL MANAGEMENT INC's latest filing

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Market Value

$68.8M

Prior: $41.2M

Q/Q Change

+66.83%

+$27.5M

Net Flows % of MV

+29.82%

Turnover Ratio

24.9%

New Purchases

3 stocks

$9.2M

Added To

3 stocks

+$18.6M

Sold Out Of

0 stocks

Reduced Holdings

21 stocks

-$7.3M

Increased Positions

Position	Shares Δ	Change
1 United States Antimony UAMY	New	0 → 827.0K +$5.1M
2 Nuvation Bio NUVB	New	0 → 685.1K +$2.5M
3 Electrovaya ELVA	New	0 → 253.9K +$1.5M
4 iShares Core S&P Small-Cap ETF IJR	+132,316.51%	109.0 → 144.3K +$17.1M
5 Corcept Therapeutics CORT	+19.34%	93.2K → 111.2K +$1.5M

Decreased Positions

Position	Shares Δ	Change
1 Chart Industries GTLS	-96.27%	4.6K → 170.0 −$878.5K
2 Johnson & Johnson JNJ	-50.0%	18.0 → 9.0 −$1.7K
3 Apple AAPL	-40.59%	21.8K → 13.0K −$2.3M
4 Catalyst Pharmaceutical CPRX	-24.67%	151.9K → 114.4K −$738.3K
5 NexGen Energy NXE	-22.3%	569.7K → 442.6K −$1.1M

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Analytics

Portfolio insights and performance metrics for TANAKA CAPITAL MANAGEMENT INC

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Sector Allocation

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%

Market Cap Distribution

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 %