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Integral Corporation: investment adviser

Integral Corporation is an investment adviser registered with the SEC (file 802-113184, CRD 288972). What it reports on Form ADV: assets and clients, fees, owners, disciplinary history and its client brochure. From the SEC's Investment Adviser Public Disclosure site; read Oct 21, 2026.

Assets managed
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Discretionary
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Accounts
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Employees
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In advisory roles
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Disclosures
0

SEC adviser record · Full Form ADV (PDF)

The firm reports no custody of client cash or securities.

Form ADV Part 1A, Item 5, as filed on the SEC Investment Adviser Public Disclosure site; read Oct 21, 2026.

Who owns it

Schedule A lists direct owners of 5% or more (and officers who own a stake); Schedule B lists the owners of those owners.

Direct owners (Schedule A)

OwnerTypeRoleStakeSinceControlPublic company
Reijiro YamamotoPersonCEO/shareholderC 25% to 50%Jan 2006Yes
Nobuo SayamaPersonShareholderB 10% to 25%Jan 2006Yes
Yoshihiro HemmiPersonDirector/shareholderA 5% to 10%Sep 2007
Kensaku MizutaniPersonDirector/shareholderA 5% to 10%Dec 2007

Form ADV reports ownership in bands, not exact stakes: A means 5% to 10%, B 10% to 25%, C 25% to 50%, D 50% to 75%, E 75% or more. F marks a general partner, trustee or managing member, a role that controls the firm without a percentage. Owners of less than 5% are not listed.

Form ADV Schedules A and B, via the SEC Investment Adviser Public Disclosure site.

Disciplinary history

The firm answered No to every disciplinary question on Form ADV (Item 11).

The brochure

No brochure text was read for this firm.

Form ADV Part 2A, via the SEC Investment Adviser Public Disclosure site.