DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

SEC-registered adviser

Asset Management One Co., Ltd.

Other adviserTokyo, CRD 110843SEC 801-55047websiteIAPD
Latest filing Jun 29, 2026
First filing on the tape Jun 29, 2012 · 38 filings
SEC status approved since Dec 17, 1997
RAUM
$471B
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
950
290 advisory (5.B.1)
Offices
0
beyond the principal office
Private funds
0
reported on Schedule D
History
38 filings and snapshots on the tape
RAUM$471B as of Jun 29, 2026
Jun 29, 2012$125B then
HNW client RAUM$0 as of Jun 29, 2026
Jun 28, 2018$0 then
State-registered IARs (5.B.3)0 as of Jun 29, 2026
Jun 29, 20120 then
Employees (5.A)950 as of Jun 29, 2026
Jun 27, 2013482 then
Private funds: no history
RAUM +3.1% over the last fiscal year-0.7% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Jun 29, 2026; every figure names its basis
Archetypes, each a printed rule
  • Institutional asset manager · institutional share (pensions, government, insurance, corporations, charities, banks, other advisers) at least 60 percent and private-client share under 20 percent
  • OCIO / institutional advisory · selection of other advisers (5.G.7) and institutional share at least 50 percent
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
$270MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
69%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
-1.2%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, fixed fees, performance-basedreportedItem 5.E
Advisory activities
portfolio management for businesses and institutions, portfolio management for pooled vehicles, selection of other advisers, otherreportedItem 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
  • buys or sells securities as principal to or from clients (8.A.2)
  • 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)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • an independent public accountant performs a surprise examination (9.C.1)
  • a related person acts as qualified custodian (9.D.2)
  • marketing includes hypothetical performance (5.L.3)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • State and municipal entities$249B53%
  • Pooled investment vehicles$138B29%
  • Pension and profit-sharing plans$56B12%
  • Insurance companies$9.9B2.1%
  • Sovereign wealth funds$7.8B1.6%
  • Corporations and businesses$5.0B1.1%
  • Other investment advisers$2.2B0.5%
  • Charitable organizations$1.9B0.4%
  • Banks and thrifts$317M0.1%
Individual clients
0reported
HNW clients
0reported
Pension plan clients
321reported
Charitable clients
30reported
Accounts
1,741reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
% of AUM, fixed, performancereported
Class basis
private_client_share=0.0 fund_share=0.3 institutional_share=0.69 related_bd=true 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
      • Nmn Nobutaka Aoki · Director, Member Of Audit And Supervisory Committeecontrol
        since 06/2024 · owns less than 5%
      • Nmn Tomohiko Asano · Chief Compliance Officer, Chief Legal Officer, Direcor, Managing Executive Officer, Head Of Risk Management Divisioncontrol
        since 04/2024 · owns less than 5%
      • Nmn Masako Ito · Executive Officer, Deputy-Head Of Planning Divisioncontrol
        since 04/2023 · owns less than 5%
      • Nmn Koya Iwabuchi · Executive Officer, Deputy-Head Of Institutional Marketing Divisioncontrol
        since 04/2018 · owns less than 5%
      • Nmn Masahiko Kato · Chief Operations Officer, Managing Executive Officer, Head Of It & Systems, Operations Divisioncontrol
        since 04/2020 · owns less than 5%
      • Nmn Michiharu Maeda · Director, Member Of Audit And Supervisory Committeecontrol
        since 06/2019 · owns less than 5%
      • Nmn Takashi Maruyama · Managing Executive Officer, Head Of Investment Divisioncontrol
        since 04/2023 · owns less than 5%
      • Nmn Takeshi Miki · Managing Executive Officer, Head Of Institutional Marketing Divisioncontrol
        since 04/2024 · owns less than 5%
      • Nmn Shigeki Muramatsu · Executive Officer, Deputy-Head Of Investment Divisioncontrol
        since 04/2022 · owns less than 5%
      • Nmn Tatsuyuki Okawa · Executive Officer, Deputy-Head Of Investment Trust Marketing Divisioncontrol
        since 04/2022 · owns less than 5%
      • Nmn Kenichi Ono · Chief Financial Officer, Director, Managing Executive Officer, Head Of Planning Divisioncontrol
        since 04/2023 · owns less than 5%
      • Nmn Satoshi Ozaki · Executive Officer, Head Of Investment Trust Marketing Divisioncontrol
        since 04/2023 · owns less than 5%
      • Nmn Yusuke Sasaki · Managing Executive Officer, Head Of Strategic Fund Investment Division, Head Of Product Divisioncontrol
        since 04/2024 · owns less than 5%
      • Nmn Noriyuki Sugihara · Direcor, President & Chief Executive Officercontrol
        since 04/2023 · owns less than 5%
      • Nmn Tetsuji Toda · Director, Managing Executive Officer, Deputy-Head Of Planning Divisioncontrol
        since 04/2022 · owns less than 5%
      Entity owners
      • Dai-Ichi Life Holdings, Inc. · Direct Owner
        direct · owns 25% to 50% · public reporting company
      • Mizuho Financial Group, Inc. · Direct Owner
        direct · owns 50% to 75% · public reporting company
      Related persons
      Schedule D 7.A
      • Asset Management One Alternative Investments, Ltd.
        investment advisery
      • Asset Management One Hong Kong Limited
        investment advisery
      • Asset Management One International Ltd.
        investment advisery
      • Asset Management One USA Inc.
        investment adviseryRAUM $2.9B
      • Custody Bank Of Japan, Ltd.
        custodiann
      • Dai-Ichi Life Holdings, Inc.
        real estatey
      • Mizuho Bank, Ltd.
        n
      • Mizuho Financial Group, Inc.
        y
      • Mizuho Securities Co., Ltd.
        broker-dealertrust companyn
      • Mizuho Trust & Banking Co., Ltd.
        investment companyn
      Advisers that list Asset Management One Co., Ltd. as a related person
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      What changed
      consecutive filings, newest first
      • Accounts · 1,782 to 1,741
        Apr 30, 2026 to Jun 29, 2026
      • Advisory employees · 282 to 290
        Apr 30, 2026 to Jun 29, 2026
      • Charity clients · 31 to 30
        Apr 30, 2026 to Jun 29, 2026
      • Corporate clients · 51 to 59
        Apr 30, 2026 to Jun 29, 2026
      • Pension plan clients · 307 to 321
        Apr 30, 2026 to Jun 29, 2026
      • Pooled vehicle clients · 999 to 942
        Apr 30, 2026 to Jun 29, 2026
      • Employees · 927 to 950
        Apr 30, 2026 to Jun 29, 2026
      • Discretionary RAUM · $451B to $471B
        Apr 30, 2026 to Jun 29, 2026
      • Pension RAUM · $56B to $56B
        Apr 30, 2026 to Jun 29, 2026
      • Pooled vehicle RAUM · $128B to $138B
        Apr 30, 2026 to Jun 29, 2026
      • RAUM · $451B to $471B
        Apr 30, 2026 to Jun 29, 2026
      • Accounts · 1,842 to 1,782
        May 30, 2025 to Jun 30, 2025
      • Advisory employees · 271 to 282
        May 30, 2025 to Jun 30, 2025
      • Charity clients · 33 to 31
        May 30, 2025 to Jun 30, 2025
      • Pension plan clients · 326 to 307
        May 30, 2025 to Jun 30, 2025
      • Pooled vehicle clients · 1,028 to 999
        May 30, 2025 to Jun 30, 2025
      • Employees · 918 to 927
        May 30, 2025 to Jun 30, 2025
      • Financial planning clients · unset to
        May 30, 2025 to Jun 30, 2025
      • Discretionary RAUM · $456B to $451B
        May 30, 2025 to Jun 30, 2025
      • Pension RAUM · $48B to $56B
        May 30, 2025 to Jun 30, 2025
      • Pooled vehicle RAUM · $127B to $128B
        May 30, 2025 to Jun 30, 2025
      • RAUM · $456B to $451B
        May 30, 2025 to Jun 30, 2025
      • HQ state · unset to
        Jun 28, 2024 to Apr 30, 2025
      • Accounts · 1,869 to 1,842
        Apr 30, 2024 to Jun 28, 2024
      • Advisory employees · 267 to 271
        Apr 30, 2024 to Jun 28, 2024
      • Charity clients · 35 to 33
        Apr 30, 2024 to Jun 28, 2024
      • Corporate clients · 46 to 51
        Apr 30, 2024 to Jun 28, 2024
      • Pension plan clients · 328 to 326
        Apr 30, 2024 to Jun 28, 2024
      • Pooled vehicle clients · 1,060 to 1,028
        Apr 30, 2024 to Jun 28, 2024
      • Employees · 907 to 918
        Apr 30, 2024 to Jun 28, 2024
      • Discretionary RAUM · $460B to $456B
        Apr 30, 2024 to Jun 28, 2024
      • Pension RAUM · $62B to $48B
        Apr 30, 2024 to Jun 28, 2024
      • Pooled vehicle RAUM · $128B to $127B
        Apr 30, 2024 to Jun 28, 2024
      • RAUM · $460B to $456B
        Apr 30, 2024 to Jun 28, 2024
      • Accounts · 1,923 to 1,869
        Apr 27, 2023 to Jun 29, 2023
      • Advisory employees · 269 to 267
        Apr 27, 2023 to Jun 29, 2023
      • Charity clients · 34 to 35
        Apr 27, 2023 to Jun 29, 2023
      • Corporate clients · 47 to 46
        Apr 27, 2023 to Jun 29, 2023
      • Pension plan clients · 343 to 328
        Apr 27, 2023 to Jun 29, 2023
      • Pooled vehicle clients · 1,088 to 1,060
        Apr 27, 2023 to Jun 29, 2023
      Signals
      43 dated events
      • Nmn Shinichi Iwamura (Director, Member Of Audit And Supervisory Committee) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2024-04-30, absent 2024-06-28)
        Jun 28, 2024 · Control person left · inference
      • Nmn Nobutaka Aoki (Director, Member Of Audit And Supervisory Committee) appeared on Schedule A of Asset Management One Co., Ltd.
        Jun 28, 2024 · Control person joined · fact
      • Nmn Minori Komatsu (Executive Officer, Head Of Corporate Sustainability Office) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2023-06-29, absent 2024-04-30)
        Apr 30, 2024 · Control person left · inference
      • Nmn Yoshinori Muraoka (Chief Compliance Officer, Chief Legal Officer,Managing Executive Officer, Head Of Risk Management Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2023-06-29, absent 2024-04-30)
        Apr 30, 2024 · Control person left · inference
      • Nmn Noboru Iwamatsu (Director, Member Of Audit And Supervisory Committee) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2023-04-27, absent 2023-06-29)
        Jun 29, 2023 · Control person left · inference
      • Nmn Shinichi Iwamura (Director, Member Of Audit And Supervisory Committee) appeared on Schedule A of Asset Management One Co., Ltd.
        Jun 29, 2023 · Control person joined · fact
      • Nmn Sugihara Noriyuki (Direcor, President & Chief Executive Officer) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2023 · Control person joined · fact
      • Nmn Miki Takeshi (Executive Officer, Head Of Institutional Marketing Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2023 · Control person joined · fact
      • Nmn Ozaki Satoshi (Executive Officer, Head Of Investment Trust Marketing Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2023 · Control person joined · fact
      • Nmn Ono Kenichi (Chief Financial Officer, Director, Managing Executive Officer, Head Of Planning Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2023 · Control person joined · fact
      • Nmn Yasutaka Yamada (Chief Financial Officer, Director, Managing Executive Officer, Head Of Planning Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2022-11-01, absent 2023-04-27)
        Apr 27, 2023 · Control person left · inference
      • Nmn Akira Sugano (Director, President & Chief Executive Officer) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2022-11-01, absent 2023-04-27)
        Apr 27, 2023 · Control person left · inference
      • Nmn Yasumitsu Mori (Managing Executive Officer, Head Of Investment Trust Marketing Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2022-11-01, absent 2023-04-27)
        Apr 27, 2023 · Control person left · inference
      • Nmn Hiromichi Nakajima (Managing Executive Officer, Head Of Product Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2022-11-01, absent 2023-04-27)
        Apr 27, 2023 · Control person left · inference
      • Nmn Ryuji Fujiwara (Executive Officer, Deputy-Head Of Investment Trust Marketing Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2021-12-24, absent 2022-04-28)
        Apr 28, 2022 · Control person left · inference
      • Nmn Bo Kusanagi (Director, Managing Executive Officer, Deputy-Head Of Planning Division / In Charge Of Specific Business Of Investment Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2021-12-24, absent 2022-04-28)
        Apr 28, 2022 · Control person left · inference
      • Nmn Tetsuji Toda (Director, Managing Executive Officer, Deputy-Head Of Planning Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 28, 2022 · Control person joined · fact
      • Takashi Maruyama (Managing Executive Officer, Co-Head Of Investment Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 28, 2022 · Control person joined · fact
      • Okawa Tatsuyuki (Executive Officer, Deputy-Head Of Investment Trust Marketing Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 28, 2022 · Control person joined · fact
      • Ito Masako (Executive Officer, Deputy-Head Of Investment Trust Marketing Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 28, 2022 · Control person joined · fact
      • Nmn Akitoshi Masuda (Managing Executive Officer, Head Of Product Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2020-06-30, absent 2021-04-30)
        Apr 30, 2021 · Control person left · inference
      • Nmn Shigeo Kanzaki (Managing Executive Officer, Head Of Strategic Fund Investment Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2020-06-30, absent 2021-04-30)
        Apr 30, 2021 · Control person left · inference
      • Nmn Shigenori Kawamoto (Chief Compliance Officer, Chief Legal Officer, Managing Executive Officer, Head Of Risk Management Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2020-06-30, absent 2021-04-30)
        Apr 30, 2021 · Control person left · inference
      • Nmn Motonobu Hoshino (Managing Executive Officer, Co-Head Of Investment Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2020-06-30, absent 2021-04-30)
        Apr 30, 2021 · Control person left · inference
      • Nmn Shinichi Aizawa (Director, Deputy-President, Executive Officer, Head Of Global Business Division) no longer on Schedule A of Asset Management One Co., Ltd. (listed 2020-06-30, absent 2021-04-30)
        Apr 30, 2021 · Control person left · inference
      • Nmn Tomohiko Asano (Direcor, Managing Executive Officer, Head Of Global Business Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 30, 2021 · Control person joined · fact
      • Nmn Yoshinori Muraoka (Chief Compliance Officer, Chief Legal Officer,Executive Officer, Head Of Risk Management Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 30, 2021 · Control person joined · fact
      • Nmn Shigeki Muramatsu (Executive Officer,Deputy-Head Of Product Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 30, 2021 · Control person joined · fact
      • Nmn Bo Kusanagi (Director, Managing Executive Officer, Deputy-Head Of Planning Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2020 · Control person joined · fact
      • Nmn Shinichi Iwamura (Managing Executive Officer, Head Of Institutional Marketing Division) appeared on Schedule A of Asset Management One Co., Ltd.
        Apr 27, 2020 · 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
      am-one.co.jp/english/contactreportedpublic record, Form ADV, Sep 17, 2026
      Principal office phone
      81-3-6774-5000reportedpublic record, Form ADV, Jun 29, 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