TANAKA CAPITAL MANAGEMENT INC
Long book
$59.9M
Q1 2026
Positions
43
Top-10 weight
65%
concentration
Last quarter
+18.1%
SPY +14.8%
Turnover
2%
of book per quarter
Strategy in plain words
auto-generated from filingsTANAKA CAPITAL MANAGEMENT INC is a concentrated fundamental stock-picker, running a $59.9M US long book across 43 positions.
The portfolio is concentrated: the top 10 names carry 65% of the portfolio. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: UNITED STATES ANTIMONY CORP, NEXGEN ENERGY LTD, CORCEPT THERAPEUTICS INC, NVIDIA CORP, Aura Minerals, Inc..
Over the last 8 quarters its long book ran on average 1.8pp per quarter ahead of the S&P 500, beating the index in 5 of 8 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+8.3%
Q2 2024
+3.9%
Q3 2024
+2.5%
Q4 2024
+8.1%
Q1 2025
+1.8%
Q3 2025
+0.4%
Q4 2025
+3.4%
Q1 2026
+18.1%
Sector allocation
Technology 24%
Materials 23%
Healthcare 20%
Industrials 14%
Financials 7%
Other 5%
Consumer staples 3%
Consumer discretionary 2%
Long book by quarter
What does TANAKA CAPITAL own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| UAMY UNITED STATES ANTIMONY CORP | Industrials | 616.0K | $5.4M | 9.0% | Held |
| NXE NEXGEN ENERGY LTD | Materials | 439.2K | $5.1M | 8.5% | -0.8% |
| CORT CORCEPT THERAPEUTICS INC | Healthcare | 110.9K | $4.5M | 7.5% | -0.2% |
| NVDA NVIDIA CORP | Technology | 24.8K | $4.3M | 7.2% | -0.1% |
| AUGO Aura Minerals, Inc. | Materials | 50.1K | $4.1M | 6.8% | +11.7% |
| NUVB NUVATION BIO INC | Healthcare | 901.8K | $3.9M | 6.5% | +7.2% |
| AAPL APPLE INC | Technology | 12.9K | $3.3M | 5.4% | -0.6% |
| CPRX CATALYST PHARMACEUTICALS INC | Healthcare | 113.4K | $2.8M | 4.7% | -0.9% |
| ONTO ONTO INNOVATION INC | Other | 12.4K | $2.6M | 4.3% | -3.0% |
| AMAT APPLIED MATERIALS INC | Technology | 7.0K | $2.4M | 4.0% | -0.5% |
| CCJ CAMECO CORP | Materials | 21.6K | $2.3M | 3.9% | +31.6% |
| SYM SYMBOTIC INC | Industrials | 43.1K | $2.3M | 3.8% | -0.6% |
| AFL AFLAC INC | Financials | 20.0K | $2.2M | 3.7% | -1.6% |
| ELVA ELECTROVAYA INC | Technology | 253.9K | $2.0M | 3.3% | Held |
| SF STIFEL FINANCIAL CORP | Financials | 19.1K | $1.4M | 2.4% | +50.0% |
| AMZN AMAZON.COM INC | Consumer discretionary | 6.1K | $1.3M | 2.1% | +20.0% |
| QCOM QUALCOMM INC | Technology | 9.1K | $1.2M | 2.0% | +17.6% |
| PEP PEPSICO INC | Consumer staples | 7.1K | $1.1M | 1.8% | +140.9% |
| UEC URANIUM ENERGY CORP | Materials | 77.1K | $1.0M | 1.7% | Held |
| MA MASTERCARD INC - A | Services media | 1.9K | $946K | 1.6% | +57.6% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 2.9K | $471K | 0.8% | -55.0% |
| META META PLATFORMS INC-CLASS A | Technology | 803 | $459K | 0.8% | -0.7% |
| ASML ASML Holding N.V. ADR | Industrials | 224 | $296K | 0.5% | Held |
| ACN ACCENTURE PLC-CL A | Services media | 502 | $100K | 0.2% | -1.8% |
| JPM JPMORGAN CHASE & CO | Financials | 188 | $55K | 0.1% | -9.2% |
| BYSI BEYONDSPRING INC | Healthcare | 26.3K | $43K | 0.1% | Held |
| CL COLGATE-PALMOLIVE CO | Other | 263 | $22K | 0.0% | Held |
| MDLZ MONDELEZ INTERNATIONAL INC-A | Consumer staples | 192 | $11K | 0.0% | Held |
| BMY BRISTOL-MYERS SQUIBB CO | Healthcare | 166 | $10K | 0.0% | Held |
| PG PROCTER & GAMBLE CO/THE | Other | 63 | $9K | 0.0% | Held |
| INTC INTEL CORP | Technology | 180 | $8K | 0.0% | Held |
| KHC Kraft Heinz Company | Consumer staples | 279 | $6K | 0.0% | Held |
| CHD CHURCH & DWIGHT CO INC | Other | 26 | $2K | 0.0% | Held |
| JNJ JOHNSON & JOHNSON | Healthcare | 9 | $2K | 0.0% | Held |
| TRV TRAVELERS COS INC/THE | Financials | 6 | $2K | 0.0% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 18, 2026 | 44 | $59.9M | $K fixed canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 45 | $54.8M | $K fixed canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 45 | $55.5M | $K fixed canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 42 | $42.0M | $K fixed canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 45 | $43.7M | $K fixed canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 15, 2024 | 45 | $43.2M | $K fixed canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 15, 2024 | 47 | $42.2M | $K fixed canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 48 | $40.6M | $K fixed canonical | SEC ↗ |
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