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Sompo Asset Management Co., Ltd.

Tokyo, JapanSEC-registered investment adviserCRD 286479

Filed as SOMPO ASSET MANAGEMENT CO., LTD.

Sompo Asset Management Co., Ltd. is an SEC-registered investment advisory firm in Tokyo, Japan, registered since 2017, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated June 12, 2026.

9 years
registered since 2017
$25,390,591,585
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Sompo Asset Management Co., Ltd. compensated?

On its Form ADV (Item 5.E, October 2026), Sompo Asset Management Co., Ltd. reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

Where is Sompo Asset Management Co., Ltd. located?

Sompo Asset Management Co., Ltd.'s principal office is in Tokyo, Japan, according to its Form ADV.

Is Sompo Asset Management Co., Ltd. registered with the SEC or a state?

Sompo Asset Management Co., Ltd. is an SEC-registered investment advisory firm, registered since 2017. Status as filed: Approved. CRD 286479.

How much does Sompo Asset Management Co., Ltd. manage?

Sompo Asset Management Co., Ltd. reports $25,390,591,585 in regulatory assets under management in its Form ADV filing dated June 12, 2026 (100% discretionary).

How have Sompo Asset Management Co., Ltd.'s assets and staff changed since 2021?

In the Form ADV data for Sompo Asset Management Co., Ltd.: Regulatory assets under management: $34,224,457,290 in the October 2021 data and $25,390,591,585 in the October 2026 data, down 26%. Total employees: 173 in October 2021 and 204 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Sompo Asset Management Co., Ltd. serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (295); pension and profit sharing plans (but not the plan participants or government pension plans) (220); corporations or other businesses not listed above (13).

Which custodians does Sompo Asset Management Co., Ltd. use?

Sompo Asset Management Co., Ltd.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Custody Bank of Japan, Ltd., MTBJ and State Street Trust and Banking Co., Ltd. as custodians holding 10% or more of its separately managed account assets.

Does Sompo Asset Management Co., Ltd. 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/286479

Does Sompo Asset Management Co., Ltd. state an account minimum?

Its Form ADV Part 2A brochure dated June 10, 2026 says: "SAM negotiates each Client relationship. Normally, SAM’s minimum for entering into a Client advisory account is $50 million dollars."

What changed in Sompo Asset Management Co., Ltd.'s recent Form ADV filings?

In the July 2026 filing data: Employees performing advisory functions went from 63 to 61. Updated its list of owners and control persons (Schedule A).

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
  • Performance-based 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

Account minimum: $50,000,000 (the brochure says it may be waived or negotiated)

The brochure's wording
SAM negotiates each Client relationship. Normally, SAM’s minimum for entering into a Client advisory account is $50 million dollars.

As stated in the firm's Form ADV Part 2A brochure dated June 10, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

Regulatory assets under management

Item 5.F
$25,390,591,585

$25,390,591,585 as of October 2026, filing dated June 12, 2026.

Discretionary: $25,390,591,585.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
Banking or thrift institutions
Clients 2 Assets $14,921,188 (0%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 295 Assets $11,790,354,849 (46%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 220 Assets $11,257,320,981 (44%)
Other investment advisers
Clients 3 Assets $301,616,775 (1%)
Insurance companies
Clients 8 Assets $1,923,686,144 (8%)
Corporations or other businesses not listed above
Clients 13 Assets $102,691,648 (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 pooled investment vehicles (other than investment 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
2017 (9 years)
Employees
Total: 204. Performing investment advisory functions: 61.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))
Custody Bank of Japan, Ltd.MTBJState Street Trust and Banking Co., Ltd.

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

States registered or notice-filed
Not reported.

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
$34.2B 2021 $30.8B 2022 $25.1B 2023 $26.2B 2024 $27.9B 2025 $25.4B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$25,390,591,585204June 12, 2026
October 2025$27,893,921,497202June 9, 2025
October 2024$26,230,608,303191July 10, 2024
October 2023$25,114,548,316188June 30, 2023
October 2022$30,833,608,676180June 16, 2022
October 2021$34,224,457,290173June 16, 2021

Regulatory assets under management: $34,224,457,290 in the October 2021 data and $25,390,591,585 in the October 2026 data, down 26%.

Total employees: 173 in October 2021 and 204 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. July 2026
    • Employees performing advisory functions went from 63 to 61.
    • Updated its list of owners and control persons (Schedule A).

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
sompo-am.co.jp/english

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. Sompo Asset Management Co., Ltd. (CRD 286479): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/sompo-asset-management-co-ltd-tokyo-286479