TANAKA CAPITAL MANAGEMENT INC

CIK 816788 · View on SEC EDGAR ↗

Portfolio value
$60K
#9,415 of 9,443 by 13F value · top 99.7%
Positions
43
As of
March 31, 2026 Data as of Q1 2026

Portfolio value QoQ: +9.2% 13F does not disclose cash

Top 10 holdings weight
64.58%
Top 25 holdings weight
99.23%
Positions above 1%
22
Effective number of positions
18.5

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q1 2026: 1.5% Est. buys $4,703 · sells $861

Median holding: 6.0 quarters Tracked Q4 2024–Q1 2026 · 91.5% still held

New positions
0
Increased
9
Decreased
13
Closed
1
On this page

Sector breakdown

Technology
23.5%
Healthcare
18.7%
Energy
12.4%
Materials
9.0%
Industrials
7.1%
Financial Services
3.9%
Financials
3.8%
Consumer Staples
2.6%
Retail
2.1%
Communication Services
0.8%
Consumer products
0.1%
Other/Unmapped
15.9%

Full portfolio 43 positions

Type Streak 8Q trend
UAMY United States Antimony Corporation Common Stock $5,377 8.98% 615,975 $2,285
NXE Nexgen Energy Ltd. Common Shares $5,095 8.51% 439,205 $1,023 Down ×1
CORT Corcept Therapeutics Incorporated - Common Stock $4,469 7.46% 110,854 $603 Down ×2
NVDA NVIDIA Corporation - Common Stock $4,322 7.22% 24,780 $-305 Down ×2
Unknown issuer (CUSIP: G06973104) $4,087 6.83% 50,085 $1,826 Up ×2
NUVB Nuvation Bio Inc. Class A Common Stock $3,869 6.46% 901,825 $-3,672 Up ×2
AAPL Apple Inc. - Common Stock $3,263 5.45% 12,859 $-254 Down ×2
IJR $2,822 4.71% 220,107 $1,970 Up ×1
CPRX Catalyst Pharmaceuticals, Inc. - Common Stock $2,808 4.69% 113,418 $137 Down ×1
ONTO Onto Innovation Inc. Common Stock $2,553 4.26% 12,448 $527 Down ×1
AMAT Applied Materials, Inc. - Common Stock $2,376 3.97% 6,953 $559 Down ×2
CCJ Cameco Corporation Common Stock $2,343 3.91% 21,575 $843 Up ×1
SYM Symbotic Inc. - Class A Common Stock $2,293 3.83% 43,094 $-287 Down ×2
AFL AFLAC Incorporated Common Stock $2,198 3.67% 20,039 $-44 Down ×1
ELVA Electrovaya Inc. - Common Shares $1,986 3.32% 253,930 $-20
SF Stifel Financial Corporation Common Stock $1,411 2.36% 19,090 $-183 Up ×1
CGXXXX $1,393 2.33% 28,791 $-309
AMZN Amazon.com, Inc. - Common Stock $1,260 2.10% 6,052 $96 Up ×1
QCOM QUALCOMM Incorporated - Common Stock $1,172 1.96% 9,104 $-152 Up ×1
PEP PepsiCo, Inc. - Common Stock $1,102 1.84% 7,095 $679 Up ×1
UEC $1,039 1.74% 77,051 $139
MA Mastercard Incorporated Common Stock $946 1.58% 1,893 $260 Up ×1
PM Philip Morris International Inc Common Stock $471 0.79% 2,851 $-545 Down ×2
META Meta Platforms, Inc. - Class A Common Stock $459 0.77% 803 $-75 Down ×2
ASML ASML Holding N.V. - New York Registry Shares $296 0.49% 224 $56
ACN Accenture plc Class A Ordinary Shares (Ireland) $100 0.17% 502 $-37 Down ×1
IWB $84 0.14% 235 $-4
IWF $64 0.11% 149 $-7
JPM JP Morgan Chase & Co. Common Stock $55 0.09% 188 $-12 Down ×1
BYSI BeyondSpring, Inc. - Ordinary Shares $43 0.07% 26,296 $0
IWD $26 0.04% 123 $0
CL Colgate-Palmolive Company Common Stock $22 0.04% 263 $1
MDLZ Mondelez International, Inc. - Class A Common Stock $11 0.02% 192 $1
BMY Bristol-Myers Squibb Company Common Stock $10 0.02% 166 $1
EFA $10 0.02% 103 $0
EFG $9 0.02% 81 $0
PG Procter & Gamble Company (The) Common Stock $9 0.02% 63 $0
INTC Intel Corporation - Common Stock $8 0.01% 180 $1
KRFT $6 0.01% 279 $-1
CHD Church & Dwight Company, Inc. Common Stock $2 0.00% 26 $0
JNJ Johnson & Johnson Common Stock $2 0.00% 9 $0
TRV The Travelers Companies, Inc. Common Stock $2 0.00% 6 $0
FLNA Filana Therapeutics, Inc. - Common Stock $0 0.00% 251,150 $0

Top movers (QoQ)

Security Action Shares Δ Value Δ
NUVB Bought more +60K -$4K
UAMY Price move only +0 +$2K
IJR Bought more +125K +$2K
Bought more +5K +$2K
NXE Trimmed -3K +$1K
CCJ Bought more +5K +$843
PEP Bought more +4K +$679
CORT Trimmed -230 +$603
AMAT Trimmed -35 +$559
PM Trimmed -3K -$545

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
NICE March 31, 2025 4,754 $807 -35.4%
HON March 31, 2025 867 $196 10.0%
GTLS March 31, 2026 170 $35 No longer tracked