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Tanaka Capital Management Inc

Greenwich, CTSEC-registered investment adviserCRD 109888

Filed as TANAKA CAPITAL MANAGEMENT INC

Tanaka Capital Management Inc is an SEC-registered investment advisory firm in Greenwich, CT, registered since 1987, reporting $25 million to $100 million in regulatory assets under management in its Form ADV filing dated July 17, 2026.

39 years
registered since 1987
$69,398,075
assets under management
2 arrangements
Percentage of assets, Fixed fees
None
disclosure items (Item 11)

Quick answers

From the filing

How is Tanaka Capital Management Inc compensated?

On its Form ADV (Item 5.E, October 2026), Tanaka Capital Management Inc reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).

Where is Tanaka Capital Management Inc located?

Tanaka Capital Management Inc's principal office is in Greenwich, CT, according to its Form ADV.

Is Tanaka Capital Management Inc registered with the SEC or a state?

Tanaka Capital Management Inc is an SEC-registered investment advisory firm, registered since 1987. Status as filed: Approved. CRD 109888.

How much does Tanaka Capital Management Inc manage?

Tanaka Capital Management Inc reports $69,398,075 in regulatory assets under management in its Form ADV filing dated July 17, 2026 (100% discretionary).

How have Tanaka Capital Management Inc's assets and staff changed since 2021?

In the Form ADV data for Tanaka Capital Management Inc: Regulatory assets under management: $66,944,000 in the October 2021 data and $69,398,075 in the October 2026 data, up 4%. Total employees: 3 in October 2021 and 3 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Tanaka Capital Management Inc serve?

By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (9); high net worth individuals (7); investment companies (1).

Does Tanaka Capital Management Inc report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/109888

What changed in Tanaka Capital Management Inc's recent Form ADV filings?

In the April 2026 filing data: Regulatory assets under management went from $44,400,044 to $69,398,075 (+56%).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Fixed fees (other than subscription fees)

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

See the firm's brochure (dated March 31, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$69,398,075

$69,398,075 as of October 2026, filing dated July 17, 2026.

Discretionary: $69,398,075.Non-discretionary: $0.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Individuals (other than high net worth individuals)
Clients 9 Assets $3,926,269 (6%)
High net worth individuals
Clients 7 Assets $19,283,130 (28%)
Banking or thrift institutions
Clients 0 Assets $0 (0%)
Investment companies
Clients 1 Assets $37,099,296 (53%)
Business development companies
Clients 0 Assets $0 (0%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 0 Assets $0 (0%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 1 Assets $9,089,380 (13%)
Charitable organizations
Clients 0 Assets $0 (0%)
State or municipal government entities (including government pension plans)
Clients 0 Assets $0 (0%)
Other investment advisers
Clients 0 Assets $0 (0%)
Insurance companies
Clients 0 Assets $0 (0%)
Sovereign wealth funds and foreign official institutions
Clients 0 Assets $0 (0%)
Corporations or other businesses not listed above
Clients 0 Assets $0 (0%)
Other
Clients 0 Assets $0 (0%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for individuals and/or small businesses
  • Portfolio management for investment companies (and business development companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1987 (39 years)
Employees
Total: 3. Performing investment advisory functions: 3.
Wrap fee program participation
No.
States registered or notice-filed
2 states or jurisdictions
CTNY

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$66.9M 2021 $51.9M 2022 $34.1M 2023 $41.2M 2024 $44.4M 2025 $69.4M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$69,398,0753July 17, 2026
October 2025$44,400,0443March 31, 2025
October 2024$41,156,2893March 28, 2024
October 2023$34,095,5003March 31, 2023
October 2022$51,904,0003March 30, 2022
October 2021$66,944,0003March 31, 2021

Regulatory assets under management: $66,944,000 in the October 2021 data and $69,398,075 in the October 2026 data, up 4%.

Total employees: 3 in October 2021 and 3 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • Regulatory assets under management went from $44,400,044 to $69,398,075 (+56%).

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
tanaka.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Tanaka Capital Management Inc (CRD 109888): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/tanaka-capital-management-inc-greenwich-ct-109888