Login
Super Investors TANAKA CAPITAL MANAGEMENT INC
TC

TANAKA CAPITAL MANAGEMENT INC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$59.9M
Positions
43
Quarter ended
March 31, 2026
Filed
May 18, 2026

Reported portfolio value by quarter (51 quarters reported)

$78.8M $22.9M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q1 26

$28M in Q2 2013 → $59.9M now. Hover for any quarter.

Holdings

As reported for the quarter ended March 31, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
United States Antimony 9.0% Unchanged 615,975 $5.38M
Nexgen Energy 8.5% Trimmed 0.8% 439,205 $5.1M
Corcept Therapeutics 7.5% Trimmed 0.2% 110,854 $4.47M
Nvidia 7.2% Trimmed 0.1% 24,780 $4.32M
Aura Minerals, Inc. 6.8% Added 12% 50,085 $4.09M
Nuvation Bio Inc. 6.5% Added 7.2% 901,825 $3.87M
AC Apple Computing 5.4% Trimmed 0.6% 12,859 $3.26M
Intellia Therapeutics 4.7% Added 132% 220,216 $2.84M
Catalyst Pharmaceuticals 4.7% Trimmed 0.9% 113,418 $2.81M
Onto Innovation 4.3% Trimmed 3.0% 12,448 $2.55M
Applied Materials 4.0% Trimmed 0.5% 6,953 $2.38M
Cameco 3.9% Added 32% 21,575 $2.34M
Symbotic 3.8% Trimmed 0.6% 43,094 $2.29M
Aflac Inc. 3.7% Trimmed 1.6% 20,039 $2.2M
Electrovaya 3.3% Unchanged 253,930 $1.99M
Stifel Financial Corp. 2.4% Added 50% 19,090 $1.41M
The Carlyle Group 2.3% Unchanged 28,791 $1.39M
Amazon.com Inc. 2.1% Added 20% 6,052 $1.26M
Qualcomm 2.0% Added 18% 9,104 $1.17M
Pepsico, Inc. 1.8% Added 141% 7,095 $1.1M
Uranium Energy Corp. 1.7% Unchanged 77,051 $1.04M
Mastercard 1.6% Added 58% 1,893 $946K
Philip Morris International 0.8% Trimmed 55% 2,851 $471K
Meta Platforms 0.8% Trimmed 0.7% 803 $459K
AH Asml Holding N V ADR 0.5% Unchanged 224 $296K
Accenture PLC 0.2% Trimmed 1.8% 502 $100K
IR Ishares Russell 1000 0.1% Unchanged 235 $84K
IR Ishares Russell 1000 Growth 0.1% Unchanged 149 $64K
JC Jpmorgan Chase And Co. 0.1% Trimmed 9.2% 188 $55K
Beyondspring Inc 0.1% Unchanged 26,296 $43K
IR Ishares Russell 1000 Value 0.0% Unchanged 123 $26K
Colgate-palmolive Co. 0.0% Unchanged 263 $22K
Mondelez International, Inc. 0.0% Unchanged 192 $11K
Bristol-myers Squibb 0.0% Unchanged 166 $10K
IM Ishares Msci Eafe 0.0% Unchanged 103 $10K
IM Ishares Msci Eafe Growth 0.0% Unchanged 81 $9K
PA Procter And Gamble 0.0% Unchanged 63 $9K
Intel Corp. 0.0% Unchanged 180 $8K
Kraft Heinz Company 0.0% Unchanged 279 $6K
CA Church And Dwight Co. Inc. 0.0% Unchanged 26 $2K
JA Johnson And Johnson 0.0% Unchanged 9 $2K
TG Travelers Group 0.0% Unchanged 6 $2K
F Fuelnation, Inc. 0.0% Unchanged 251,150 —

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q1 2026

quarter ended March 31, 2026 · filed May 18, 2026

Company Action Shares changed Value of change % of portfolio
Intellia Therapeutics Added +125,357 +$1.61M 4.7%
Pepsico, Inc. Added +4,150 +$645K 1.8%
Philip Morris International Trimmed −3,485 −$576K 0.8%
Cameco Added +5,185 +$563K 3.9%
Stifel Financial Corp. Added +6,362 +$470K 2.4%
Aura Minerals, Inc. Added +5,250 +$428K 6.8%
Mastercard Added +692 +$346K 1.6%
Nuvation Bio Inc. Added +60,220 +$258K 6.5%
Amazon.com Inc. Added +1,010 +$210K 2.1%
Qualcomm Added +1,362 +$175K 2.0%

Showing the 10 largest of 23 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Nuvation Bio Inc. Added +156,500 +$1.4M 13.8%
United States Antimony Trimmed −211,060 −$1.06M 5.6%
Aura Minerals, Inc. Added +12,792 +$645K 4.1%
Intellia Therapeutics Trimmed −49,475 −$451K 1.6%
Nvidia Trimmed −69 −$12.9K 8.4%
Cameco Trimmed −115 −$10.5K 2.7%
AC Apple Computing Trimmed −35 −$9.52K 6.4%
Stifel Financial Corp. Trimmed −75 −$9.39K 2.9%
Applied Materials Trimmed −35 −$9.1K 3.3%
Meta Platforms Trimmed −10 −$6.6K 1.0%

Showing the 10 largest of 16 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
United States Antimony New +827,035 +$5.13M 9.2%
Nuvation Bio Inc. New +685,105 +$2.54M 4.6%
Intellia Therapeutics Added +144,225 +$2.5M 4.5%
AC Apple Computing Trimmed −8,862 −$2.26M 5.9%
Corcept Therapeutics Added +18,025 +$1.5M 16.6%
Electrovaya New +253,930 +$1.5M 2.7%
Nexgen Energy Trimmed −127,050 −$1.14M 7.1%
Chart Industries Trimmed −4,389 −$878K 0.1%
Nvidia Trimmed −4,163 −$777K 8.4%
Catalyst Pharmaceuticals Trimmed −37,475 −$738K 4.1%

Showing the 10 largest of 29 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Corcept Therapeutics Trimmed −18,367 −$2.1M 25.3%
NS Nice Systems Ltd. Exited −4,754 −$807K —
AC Apple Computing Trimmed −2,542 −$565K 11.5%
Symbotic Trimmed −19,312 −$390K 2.6%
Qualcomm Trimmed −2,407 −$370K 2.8%
Accenture PLC Trimmed −902 −$281K 0.4%
Honeywell International Inc. Exited −867 −$196K —
Onto Innovation Trimmed −1,587 −$193K 3.7%
Pepsico, Inc. Trimmed −328 −$49.1K 1.0%
Aflac Inc. Trimmed −393 −$43.7K 6.1%

Showing the 10 largest of 27 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Symbotic Added +29,596 +$702K 3.9%
Aura Minerals, Inc. Added +24,000 +$295K 0.9%
New Fortress Energy Exited −32,370 −$294K —
AC Apple Computing Trimmed −1,088 −$272K 14.0%
Ionis Pharmaceuticals Trimmed −7,620 −$266K 0.6%
Pepsico, Inc. Trimmed −1,025 −$156K 1.1%
Qualcomm Trimmed −1,003 −$154K 3.6%
Applied Materials Trimmed −915 −$149K 2.6%
Honeywell International Inc. Trimmed −343 −$77.5K 0.4%
Corcept Therapeutics Trimmed −585 −$29.5K 12.9%

Showing the 10 largest of 25 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 15, 2024

Company Action Shares changed Value of change % of portfolio
Onto Innovation Trimmed −5,735 −$1.19M 6.9%
NS Nice Systems Ltd. Added +4,635 +$805K 1.9%
Corcept Therapeutics Added +11,860 +$549K 12.0%
NG Nanoco Group PLC Exited −1,727,107 −$432K —
Energy Fuels Exited −28,500 −$173K —
Applied Materials Added +800 +$162K 3.7%
Chart Industries Trimmed −905 −$112K 1.4%
PG Paramount Global Exited −10,512 −$109K —
Aflac Inc. Trimmed −950 −$106K 6.1%
Aura Minerals, Inc. New +8,500 +$102K 0.2%

Showing the 10 largest of 32 changes.

Q2 2024

quarter ended June 30, 2024 · filed August 15, 2024

Company Action Shares changed Value of change % of portfolio
Nvidia Added +26,388 +$3.26M 8.6%
Tesla, Inc. Exited −3,504 −$616K —
Corcept Therapeutics Added +9,400 +$305K 7.7%
NG Nanoco Group PLC Trimmed −1,005,317 −$251K 1.0%
Qualcomm Trimmed −880 −$175K 5.3%
AC Apple Computing Trimmed −445 −$93.7K 12.8%
Honeywell International Inc. Trimmed −413 −$88.1K 0.7%
Onto Innovation Trimmed −380 −$83.4K 10.5%
Nexgen Energy Trimmed −5,000 −$34.9K 9.6%
Uranium Energy Corp. Trimmed −2,050 −$12.3K 1.1%

Showing the 10 largest of 19 changes.

Q1 2024

quarter ended March 31, 2024 · filed May 15, 2024

Company Action Shares changed Value of change % of portfolio
AC Apple Computing Trimmed −17,320 −$2.97M 11.0%
Corcept Therapeutics Added +53,785 +$1.35M 5.6%
Tesla, Inc. Trimmed −4,315 −$759K 1.5%
Nvidia Added +702 +$634K 6.5%
Stifel Financial Corp. Added +3,150 +$246K 3.1%
The Carlyle Group Added +4,855 +$228K 3.8%
Onto Innovation Trimmed −1,050 −$190K 9.2%
Pepsico, Inc. Added +1,063 +$186K 1.9%
Chart Industries Trimmed −650 −$107K 2.3%
Qualcomm Trimmed −550 −$93.1K 5.1%

Showing the 10 largest of 21 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support