What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0000816788
Total reported value
$59.9M
$59.9M
44 檔
43.9%
At the close of Q3 2025, Tanaka Capital Management Inc disclosed equity holdings valued at approximately $59.9M, spread across 44 reported holdings.
In Q3 2025, Tanaka Capital Management Inc adopted a defensive or profit-taking posture, trimming 22 positions and completely liquidating 1 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | CORT | Corcept Therapeutics Inc | Stock-Healthcare | 16.64% | +0.41% | +19.34% | |
| 2 | UAMY | United States Antimony CORP | Stock-Other | 9.23% | +3.34% | — | |
| 3 | NVDA | Nvidia CORP | Stock-Tech | 8.36% | -1.22% | -14.33% | |
| 4 | NXE | Nexgen Energy LTD | Stock-Other | 7.13% | +1.08% | -22.30% | |
| 5 | AAPL | Apple Inc | Stock-Tech | 5.95% | -0.97% | -40.59% | |
| 6 | NUVB | Nuvation Bio Inc | Stock-Other | 4.56% | -7.30% | — | |
| 7 | IJR | Ishares Core S&p Small-cap E | ETF-Small Cap | 4.51% | +3.16% | +132316.51% | |
| 8 | SYM | Symbotic Inc | Stock-Industrials | 4.22% | -0.88% | -18.59% | |
| 9 | AFL | Aflac Inc | Stock-Financials | 4.10% | -0.42% | -11.42% | |
| 10 | CPRX | Catalyst Pharmaceuticals Inc | Stock-Healthcare | 4.06% | -0.18% | -24.67% | |
| 11 | CG | The Carlyle Group Inc. | Stock-Financials | 3.26% | -0.77% | -11.70% | |
| 12 | ONTO | Onto Innovation Inc | Stock-Tech | 2.99% | +0.56% | — | |
| 13 | ELVA | Electrovaya Inc | Stock-Other | 2.69% | -0.34% | — | |
| 14 | SF | Stifel Financial CORP | Stock-Financials | 2.62% | -0.55% | -18.08% | |
| 15 | AMAT | Applied Materials Inc | Stock-Tech | 2.59% | +0.66% | -0.85% | |
| 16 | CCJ | Cameco CORP | Stock-Energy | 2.49% | +1.17% | -1.26% | |
| 17 | QCOM | Qualcomm Inc | Stock-Tech | 2.33% | -0.46% | -0.19% | |
| 18 | ✓ | Aura Minerals, Inc. | Stock-Other | 2.15% | +2.70% | -1.66% | |
| 19 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.00% | -0.02% | -4.17% | |
| 20 | PM | Philip Morris International | Stock-Consumer Staples | 1.85% | -1.06% | -0.53% | |
| 21 | UEC | Uranium Energy CORP | Stock-Energy | 1.85% | +0.09% | -0.87% | |
| 22 | MA | Mastercard Inc - A | Stock-Financials | 1.23% | +0.33% | -0.83% | |
| 23 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.08% | -0.20% | -0.61% | |
| 24 | PEP | Pepsico Inc | Stock-Consumer Staples | 0.75% | +1.07% | +0.48% | |
| 25 | ✓ | ASML Holding N V ADR | Stock-Other | 0.39% | +0.05% | — | |
| 26 | ACN | Accenture plc | Stock-Tech | 0.23% | -0.08% | -5.19% | |
| 27 | IWB | Ishares Russell 1000 ETF | ETF-Other | 0.15% | -0.02% | — | |
| 28 | IWF | Ishares Russell 1000 Growth | ETF-Other | 0.13% | -0.02% | — | |
| 29 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.12% | -0.03% | -4.61% | |
| 30 | ✓ | Beyondspring Inc Shs | Stock-Other | 0.09% | -0.01% | — | |
| 31 | GTLS | Chart Industries Inc | Stock-Industrials | 0.06% | -0.06% | EXIT | |
| 32 | IWD | Ishares Russell 1000 Value E | ETF-Other | 0.05% | -0.01% | — | |
| 33 | CL | Colgate-palmolive Co | Stock-Consumer Staples | 0.04% | — | -5.40% | |
| 34 | MDLZ | Mondelez International Inc-a | Stock-Consumer Staples | 0.02% | — | — | |
| 35 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.02% | — | — | |
| 36 | EFA | Ishares Msci Eafe ETF | ETF-Other | 0.02% | — | — | |
| 37 | EFG | Ishares Msci Eafe Growth ETF | ETF-Other | 0.02% | — | — | |
| 38 | BMY | Bristol-myers Squibb Co | Stock-Healthcare | 0.01% | — | — | |
| 39 | KHC | The Kraft Heinz Company | Stock-Consumer Staples | 0.01% | — | — | |
| 40 | INTC | Intel CORP | Stock-Tech | 0.01% | — | — | |
| 41 | CHD | Church & Dwight Co Inc | Stock-Consumer Staples | — | — | — | |
| 42 | JNJ | Johnson & Johnson | Stock-Healthcare | — | — | -50.00% | |
| 43 | TRV | Travelers Cos Inc/the | Stock-Financials | — | — | — | |
| 44 | ✓ | Fuelnation, Inc. | Stock-Other | — | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | IJR | Ishares Core S&p Small-cap E | +4.5% | +132316.51% | Add |
| 2 | SYM | Symbotic Inc | +1.7% | -18.59% | Trim |
| 3 | NXE | Nexgen Energy LTD | +1% | -22.30% | Trim |
| 4 | UEC | Uranium Energy CORP | +1% | -0.87% | Trim |
| 5 | NVDA | Nvidia CORP | +0.9% | -14.33% | Trim |
| 6 | CCJ | Cameco CORP | +0.9% | -1.26% | Trim |
| 7 | ✓ | Aura Minerals, Inc. | +0.6% | -1.66% | Trim |
| 8 | AMAT | Applied Materials Inc | +0.1% | -0.85% | Trim |
| 9 | ✓ | ASML Holding N V ADR | 0% | — | Unchanged |
| 10 | IWF | Ishares Russell 1000 Growth | — | — | Unchanged |
| 11 | ✓ | Beyondspring Inc Shs | — | — | Unchanged |
| 12 | INTC | Intel CORP | — | — | Unchanged |
| 13 | EFA | Ishares Msci Eafe ETF | — | — | Unchanged |
| 14 | EFG | Ishares Msci Eafe Growth ETF | — | — | Unchanged |
| 15 | TRV | Travelers Cos Inc/the | — | — | Unchanged |
| 16 | ✓ | Fuelnation, Inc. | — | — | Unchanged |
| 17 | JPM | Jpmorgan Chase & Co | 0% | -4.61% | Trim |
| 18 | BMY | Bristol-myers Squibb Co | 0% | — | Unchanged |
| 19 | IWD | Ishares Russell 1000 Value E | 0% | — | Unchanged |
| 20 | PG | Procter & Gamble Co/the | 0% | — | Unchanged |
| 21 | KHC | The Kraft Heinz Company | 0% | — | Unchanged |
| 22 | MDLZ | Mondelez International Inc-a | 0% | — | Unchanged |
| 23 | CHD | Church & Dwight Co Inc | 0% | — | Unchanged |
| 24 | JNJ | Johnson & Johnson | 0% | -50.00% | Trim |
| 25 | IWB | Ishares Russell 1000 ETF | 0% | — | Unchanged |
| 26 | CL | Colgate-palmolive Co | 0% | -5.40% | Trim |
| 27 | META | Meta Platforms Inc-class A | -0.1% | -0.61% | Trim |
| 28 | CG | The Carlyle Group Inc. | -0.1% | -11.70% | Trim |
| 29 | ACN | Accenture plc | -0.2% | -5.19% | Trim |
| 30 | PEP | Pepsico Inc | -0.3% | +0.48% | Add |
| 31 | MA | Mastercard Inc - A | -0.4% | -0.83% | Trim |
| 32 | AMZN | Amazon.com Inc | -0.4% | -4.17% | Trim |
| 33 | QCOM | Qualcomm Inc | -0.5% | -0.19% | Trim |
| 34 | PM | Philip Morris International | -0.6% | -0.53% | Trim |
| 35 | ONTO | Onto Innovation Inc | -0.7% | — | Unchanged |
| 36 | SF | Stifel Financial CORP | -0.9% | -18.08% | Trim |
| 37 | GTLS | Chart Industries Inc | -1.5% | -96.27% | Trim |
| 38 | AFL | Aflac Inc | -2% | -11.42% | Trim |
| 39 | CPRX | Catalyst Pharmaceuticals Inc | -4.7% | -24.67% | Trim |
| 40 | AAPL | Apple Inc | -5.6% | -40.59% | Trim |
| 41 | CORT | Corcept Therapeutics Inc | -8.7% | +19.34% | Add |
| 42 | UAMY | United States Antimony CORP | — | NEW | New buy |
| 43 | NUVB | Nuvation Bio Inc | — | NEW | New buy |
| 44 | ELVA | Electrovaya Inc | — | NEW | New buy |
| 45 | IONS | Ionis Pharmaceuticals Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Tanaka Capital Management Inc reported a total U.S. public equity portfolio value of $59.9M across 44 disclosed positions in Q3 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including CORT, UAMY, NVDA) accounted for 43.9% of total reported equity market value during Q3 2025.
Top New Position Initiated
UAMY
市值: $5.1M
Top Position Liquidated / Trimmed
IONS
前期市值: $203.0K
During Q3 2025, Tanaka Capital Management Inc's top holdings by market value included CORT (16.6%)、UAMY (9.2%)、NVDA (8.4%). The largest single position, CORT, represented 16.6% of total portfolio value.
In Q3 2025, Tanaka Capital Management Inc made 29 total portfolio adjustments, initiating 3 new buys, adding to 3 positions, trimming 22 holdings, and fully liquidating 1 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.