Asset Management One

Confidence: Likely Updated 2026-06-05 Review by 2026-11-20 Sources 3 Machine-translated Original (JA)
#JapanFG#asset-management#fiea-operator#mizuho#dai-ichi-life
On this page

Wiki route

This entry sits under asset-managers INDEX (its domain route). Read it against Sumitomo Mitsui DS Asset Management and Sumitomo Mitsui Trust Asset Management (SMT-AM) for peer / contrast among bank- and trust-affiliated asset-management companies, and against the FSA plus Japan financial instruments business operators registry index for the supervisory / registry boundary over investment-management-business operators.

TL;DR

Asset Management One Co., Ltd. is an asset-management operating company holding an Investment Management Business registration under the Financial Instruments and Exchange Act. In the FSA Financial Instruments Business operators list it appears as “アセットマネジメントOne株式会社”, Director-General of the Kanto Local Finance Bureau (Kinsho) 第324号. It is a JV (joint venture) funded by Mizuho FG (Mizuho FG) and Dai Ichi Life, and unlike other affiliated asset managers it is not simply a wholly-owned subsidiary of a megabank. Its business is built around publicly-offered investment trusts (publicly-offered toushin) plus discretionary investment management.

1. License / group boundary

ItemNotes
Legal nameアセットマネジメントOne株式会社 / Asset Management One Co., Ltd.
License routeUnder the Financial Instruments and Exchange Act: Investment Management Business, Investment Advisory and Agency Business, Type II; Director-General of the Kanto Local Finance Bureau (Kinsho) 第324号
Group boundary[[megabanks/mizuho-fg
Origin2016 年, established through the functional integration of the Mizuho-affiliated asset manager 3 社 + DIAM
Supervision[[financial-regulators/fsa
Wiki roleMizuho + Dai-ichi Life JV asset-manager anchor

2. Operating model

As an investment-management-business operator, it handles (1) investment-trust management of publicly-offered toushin (formation and management of investment trusts), (2) discretionary mandates for pensions and institutional investors, and (3) investment advisory. Distribution spans the bank / trust channels of Mizuho Bank and Mizuho Trust Bank and Dai-ichi Life’s insurance channel, forming a bank-trust-insurance joint platform. Supervision is a two-tier structure of FSA + self-regulatory organisations (Investment Trusts Association / Japan Investment Advisers Association). It contrasts in ownership structure with Mitsubishi UFJ Asset Management, a wholly-owned megabank subsidiary.

3. Why this page matters

  • It fixes an independent anchor for a JV asset manager that fits neither fully on the Mizuho FG page nor fully on the Dai-ichi Life page.
  • It carves out the intersection of the asset-management-nation initiative, NISA expansion, pension management, and the bank / life-insurer distribution channels.
  • It provides a starting point for comparing ownership and origin against affiliated peers (Sumitomo Mitsui DS Asset Management / Nomura Asset Management).

Sources

  • FSA, “金融商品取引業者登録一覧”, kinyushohin.xlsx.
  • Asset Management One, “会社概要”.
  • Asset Management One, “ごあいさつ”.

[!info] Verification status confidence: likely. The legal name, registration number, JV parents, and founding history are public information. The ownership ratios (~70/30 economic, ~51/49 voting) are a shape based on public disclosure and are not to be treated as fixed values.