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SEC-registered adviser

S•••• A•••• M••••••••• C••• L•••

Other adviserTokyo, CRD 286479SEC 801-110538websiteIAPD
Latest filing Jun 12, 2026
First filing on the tape Apr 27, 2017 · 20 filings
SEC status approved since May 24, 2017
RAUM
$25B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
0.0%
$0 individuals and HNW
Advisors
0
registered through the firm on IAPD
RAUM per advisor
n/a
derived; firm RAUM over IAPD count
Employees
204
61 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
0
reported on Schedule D
History
20 filings and snapshots on the tape
RAUM$25B as of Jun 12, 2026
Jun 26, 2018$35B then
HNW client RAUM: no history
State-registered IARs (5.B.3)0 as of Jun 12, 2026
Jun 26, 20180 then
Employees (5.A)204 as of Jun 12, 2026
Jun 26, 2018160 then
Private funds: no history
RAUM +1.1% over the last fiscal year-9.5% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Jun 12, 2026; every figure names its basis
RAUM per advisor
unknownderivedRAUM over IAPD advisors; not a book size
Clients per advisor
unknownderivedindividual and HNW clients (5.D) over advisors
Average HNW client
unknownderivedHNW RAUM over HNW clients
Average account
$46.9MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
52%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
unknownderivedItem 5.A over advisors
Advisors per office
unknownderived1 offices incl. principal (1.F.5)
RAUM growth, one year
+4.4%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assets, performance-basedreportedItem 5.E
Advisory activities
portfolio management for businesses and institutions, portfolio management for pooled vehiclesreportedItem 5.G
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • compensates persons for client referrals (8.G.1)
  • compensates non-employees for client referrals (8.G.2)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$12B46%
  • Pension and profit-sharing plans$11B44%
  • Insurance companies$1.9B7.6%
  • Other investment advisers$302M1.2%
  • Corporations and businesses$103M0.4%
  • Banks and thrifts$14.9M0.1%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
220reported
Charitable clients
n/areported
Accounts
541reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
% of AUM, performancereported
Class basis
private_client_share=0.0 fund_share=0.48 institutional_share=0.52 related_bd=false related_bank=false bd_reps=0.0derived
Advisors registered through the firm
0 on IAPD today, longest tenure first
No representative is registered through this CRD on IAPD.
Advisor movement
Left, latest
none on the tape
    Joined, latest
    none on the tape
      Every departureEvery arrival
      Private funds
      No private fund reported.
      Owners and control persons
      Schedule A and B, latest filing
      • A••••••• K••••••• N•• · Executive Officercontrol
        since 04/2024 · owns less than 5%
      • F•••••••• E•••• N•• · Chief Compliance Officercontrol
        since 04/2023 · owns less than 5%
      • K•••••••• S•••••• N•• · Executive Officercontrol
        since 04/2024 · owns less than 5%
      • K•••••• N•••••••• N•• · President & Ceo, Directorcontrol
        since 04/2019 · owns less than 5%
      • K••••• T••••••••• N•• · Director (Part Time)control
        since 04/2022 · owns less than 5%
      • N••••• G•••• N•• · Managing Executive Officercontrol
        since 04/2018 · owns less than 5%
      • O••••• M•••••••• N•• · Managing Executive Officercontrol
        since 04/2024 · owns less than 5%
      • S••••••••• K•••••••• N•• · Managing Executive Officercontrol
        since 04/2024 · owns less than 5%
      • S•••• Y••••••••• N•• · Managing Executive Officercontrol
        since 04/2024 · owns less than 5%
      • U••• T••••••• N•• · Director (Outside)control
        since 06/2023 · owns less than 5%
      • W•••••••• H••••••• N•• · Director, Executive Officercontrol
        since 04/2024 · owns less than 5%
      Entity owners
      • S•••• H•••••••• I••• · Shareholder
        direct · owns 75% or more
      Related persons
      Schedule D 7.A
      • S••••• A••••••••• A•• F••• I•••••••• C••••••• L••••••
        real estaten
      • S•••• H••••••• L••• I••••••••• I•••
        real estaten
      • S•••• I••••••••• H••••••• L•••
        real estaten
      • S•••• J•••• D• S••••••••• I•••
        investment advisern
      • S•••• J•••• I•••••••• I•••
        real estaten
      • S•••• R••• M••••••••• I•••
        investment advisern
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      What changed
      consecutive filings, newest first
      • Accounts · 530 to 541
        Jun 9, 2025 to Jun 12, 2026
      • Advisory employees · 63 to 61
        Jun 9, 2025 to Jun 12, 2026
      • Corporate clients · 12 to 13
        Jun 9, 2025 to Jun 12, 2026
      • Pension plan clients · 202 to 220
        Jun 9, 2025 to Jun 12, 2026
      • Pooled vehicle clients · 303 to 295
        Jun 9, 2025 to Jun 12, 2026
      • Employees · 202 to 204
        Jun 9, 2025 to Jun 12, 2026
      • Discretionary RAUM · $28B to $25B
        Jun 9, 2025 to Jun 12, 2026
      • Pension RAUM · $10B to $11B
        Jun 9, 2025 to Jun 12, 2026
      • Pooled vehicle RAUM · $15B to $12B
        Jun 9, 2025 to Jun 12, 2026
      • RAUM · $28B to $25B
        Jun 9, 2025 to Jun 12, 2026
      • Accounts · 503 to 530
        Jul 10, 2024 to Jun 9, 2025
      • Advisory employees · 56 to 63
        Jul 10, 2024 to Jun 9, 2025
      • Pension plan clients · 168 to 202
        Jul 10, 2024 to Jun 9, 2025
      • Pooled vehicle clients · 306 to 303
        Jul 10, 2024 to Jun 9, 2025
      • Employees · 191 to 202
        Jul 10, 2024 to Jun 9, 2025
      • Financial planning clients · unset to
        Jul 10, 2024 to Jun 9, 2025
      • HQ state · unset to
        Jul 10, 2024 to Jun 9, 2025
      • Discretionary RAUM · $26B to $28B
        Jul 10, 2024 to Jun 9, 2025
      • Pension RAUM · $9.9B to $10B
        Jul 10, 2024 to Jun 9, 2025
      • Pooled vehicle RAUM · $14B to $15B
        Jul 10, 2024 to Jun 9, 2025
      • RAUM · $26B to $28B
        Jul 10, 2024 to Jun 9, 2025
      • Accounts · 410 to 503
        Jun 30, 2023 to Jun 28, 2024
      • Advisory employees · 58 to 56
        Jun 30, 2023 to Jun 28, 2024
      • Corporate clients · 8 to 12
        Jun 30, 2023 to Jun 28, 2024
      • Pension plan clients · 101 to 168
        Jun 30, 2023 to Jun 28, 2024
      • Pooled vehicle clients · 266 to 306
        Jun 30, 2023 to Jun 28, 2024
      • Employees · 188 to 191
        Jun 30, 2023 to Jun 28, 2024
      • Discretionary RAUM · $25B to $26B
        Jun 30, 2023 to Jun 28, 2024
      • Pension RAUM · $11B to $9.9B
        Jun 30, 2023 to Jun 28, 2024
      • Pooled vehicle RAUM · $11B to $14B
        Jun 30, 2023 to Jun 28, 2024
      • RAUM · $25B to $26B
        Jun 30, 2023 to Jun 28, 2024
      • Accounts · 389 to 410
        Apr 20, 2023 to Jun 27, 2023
      • Advisory employees · 63 to 58
        Apr 20, 2023 to Jun 27, 2023
      • Corporate clients · 5 to 8
        Apr 20, 2023 to Jun 27, 2023
      • Pension plan clients · 89 to 101
        Apr 20, 2023 to Jun 27, 2023
      • Pooled vehicle clients · 261 to 266
        Apr 20, 2023 to Jun 27, 2023
      • Employees · 180 to 188
        Apr 20, 2023 to Jun 27, 2023
      • Discretionary RAUM · $31B to $25B
        Apr 20, 2023 to Jun 27, 2023
      • Pension RAUM · $15B to $11B
        Apr 20, 2023 to Jun 27, 2023
      • Pooled vehicle RAUM · $11B to $11B
        Apr 20, 2023 to Jun 27, 2023
      Signals
      32 dated events
      • Nmn Kayaoka Akihiko (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 28, 2024 · Control person joined · fact
      • Nmn Hiroshi Watanabe (Director, Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 28, 2024 · Control person joined · fact
      • Nmn Suzuki Koichiro (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 28, 2024 · Control person joined · fact
      • Nmn Makoto Hatta (Managing Executive Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2023-06-30, absent 2024-06-28)
        Jun 28, 2024 · Control person left · inference
      • Nmn T••• K••••• (Managing Executive Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2023-06-30, absent 2024-06-28)
        Jun 28, 2024 · Control person left · inference
      • Nmn Daisuke Kanamori (Director, Executive Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2023-06-30, absent 2024-06-28)
        Jun 28, 2024 · Control person left · inference
      • Nmn Daisuke Kanamori (Director, Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 30, 2023 · Control person joined · fact
      • Nmn N•••••• A••• (Director (Outside)) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2023-04-20, absent 2023-06-27)
        Jun 27, 2023 · Control person left · inference
      • Nmn Tadaaki Udo (Director (Outside)) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 27, 2023 · Control person joined · fact
      • Nmn Eiji Fujimura (Chief Compliance Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 19, 2023 · Control person joined · fact
      • Nmn Motokazu Oyama (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 19, 2023 · Control person joined · fact
      • Nmn Kazuhisa Sakakibara (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 19, 2023 · Control person joined · fact
      • Nmn Yoshihisa Sato (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 19, 2023 · Control person joined · fact
      • Nmn Hidetoshi Kurachi (Director, Executive Officer, Chief Compliance Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2022-06-16, absent 2023-04-19)
        Apr 19, 2023 · Control person left · inference
      • Nmn Hiroshi Maeta (Chief Compliance Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2022-04-22, absent 2022-05-09)
        May 9, 2022 · Control person left · inference
      • Nmn Toshinori Kondo (Director (Part Time)) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 22, 2022 · Control person joined · fact
      • Nmn Daisuke Kanamori (Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 22, 2022 · Control person joined · fact
      • Nmn Hiroshi Maeta (Chief Compliance Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 22, 2022 · Control person joined · fact
      • Nmn Yasuhiro Shigeta (Managing Executive Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2021-06-16, absent 2022-04-22)
        Apr 22, 2022 · Control person left · inference
      • Nmn Hideki Shimamura (Chief Compliance Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2021-06-16, absent 2022-04-22)
        Apr 22, 2022 · Control person left · inference
      • Nmn Yukinori Kuroda (Director (Part Time)) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2021-06-16, absent 2022-04-22)
        Apr 22, 2022 · Control person left · inference
      • S•••• A•••• M••••••••• C••• L••• reported RAUM $34.2B, up 28% from $26.7B (2020-06-25 to 2021-06-16)
        Jun 16, 2021 · RAUM change · derived
      • Nmn Hidetoshi Kurachi (Director, Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 16, 2021 · Control person joined · fact
      • Nmn Yukinori Kuroda (Director (Part Time)) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 16, 2021 · Control person joined · fact
      • Nmn Toyomi Ohnuma (Chief Compliance Officer, Director, Managing Executive Officer) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2019-06-28, absent 2020-04-14)
        Apr 14, 2020 · Control person left · inference
      • Nmn Yoshihiko Kikkawa (Executive Vice President) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2019-06-28, absent 2020-04-14)
        Apr 14, 2020 · Control person left · inference
      • Nmn Hideki Shimamura (Chief Compliance Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 14, 2020 · Control person joined · fact
      • Nmn N•••••• A••• (Director) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Jun 28, 2019 · Control person joined · fact
      • Nmn Hiroyuki Yamaguchi (President & Ceo, Director) no longer on Schedule A of S•••• A•••• M••••••••• C••• L••• (listed 2018-06-26, absent 2019-04-01)
        Apr 1, 2019 · Control person left · inference
      • T••• K••••• (Chief Investment Officer, Director, Managing Executive Officer) appeared on Schedule A of S•••• A•••• M••••••••• C••• L•••
        Apr 1, 2019 · Control person joined · fact
      Across DFX
      shared identifiers only, never a name match
      No identifier-backed link to the venture, private equity, family office or sponsor graphs.
      How to reach
      public business contact points only, each with its source
      Website
      sompo-am.co.jp/englishreportedpublic record, Form ADV, Sep 21, 2026
      Principal office phone
      81-3-5290-3400reportedpublic record, Form ADV, Jun 12, 2026
      Provenance
      Form ADV
      SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
      Advisors
      IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
      Class
      Other adviserderiveda rule over Items 5.D and 7.A
      RAUM per advisor
      n/aderivedfirm RAUM over the IAPD count; not a book size
      Loaded
      Sep 14, 2026