FinWikiPublic-source finance field guide
日EN

State Street Japan

ConfidenceLikely
Updated2026-05-26
Review by2026-11-15
Sources6Machine-translatedOriginal (JA)
#JapanFG#foreign-bank#custodian
On this page

Wiki route

This entry sits under foreign-financial-institutions INDEX. Read it against Bny Mellon Japan for peer / contrast context and banking index for the broader system / regulatory boundary.

1. Company overview

Ultimate parent: State Street Corporation (US Massachusetts corporation, NYSE: STT, headquartered in Boston, Massachusetts) Parent establishment: 1792 (as The Union Bank, one of the US’s 2 -oldest continuously operating banks) • Launch of the current structure: 1969 (State Street Boston Financial Corporation became a holding company) → renamed State Street Corporation in 1978 • Ticker: NYSE: STT

Global financials (2025–2026 Q1 period)

Item Scale
AUC/A (assets under custody + assets under administration) about 49 兆 dollars (2025 2 Q) → about 53.8 兆 dollars (2025 4 Q, an all-time high) •
World ranking (custody) No.2 (the leader bny-mellon-japan at about 59.3 兆 dollars) •
Recent net new custody mandates about 1.1 兆 dollars (within the 2025 period, mainly via Asset Owners / Asset Managers) •

Major Japan entities (public-information basis)

State Street Corporation (US NYSE: STT; FRB / OCC supervision)
  ├── State Street Trust and Banking Co., Ltd. ── Japan corporation, holds a trust-business license
  │     ├── Tokyo head office: Toranomon 1-23-1 , Minato-ku, Toranomon Hills Mori Tower 25F
  │     ├── Fukuoka office: Tsunaba-machi, Hakata-ku, Fukuoka City (opened 2012 ; over 100 名 as of 2016 )
  │     └── Yokohama office (opened 2012  → closed 2015 )
  ├── State Street Bank Tokyo Branch (in-Japan branch of State Street Bank and Trust Company)
  │     └── Window for global custody / transaction banking directly connected to the US head office
  ├── State Street Global Advisors Co., Ltd. (SSGA)
  │     ├── established 1998-02 , Director-General of the Kanto Local Finance Bureau (financial instruments) 第 345 号
  │     └── Operator of the SPDR ETF series (including SPY = the world's largest ETF)
  └── Charles River Development Inc. (Charles River Development Japan)
        └── established 2007 , trading / portfolio-management systems for asset-management firms

Characteristics:

  • Does not handle retail banking or individual deposits at all. Entirely specialized in B2B / B2 institutional investors
  • The existence of SSGA is the point of differentiation from BNY Mellon: it also rolls out SPDR ETFs (including the world’s largest, SPY) in Japan, holding both wheels of ETF operation + custody •
  • State Street Trust and Banking: paid-in capital 25 億 1000 万円, employees 426 名 (as of 2024-04-30), R&I rating AA- •
  • Representatives: trust-bank president Keiko Terada, Tokyo branch manager Norihiro Wakabayashi, SSGA president Michihiro Echizenya •

2. History (chronology excerpt)

Year Event
1792 Establishment of The Union Bank (State Street’s predecessor) (one of the US’s 2 -oldest banking lineages) •
1969 State Street Boston Financial Corporation became a holding company •
1978 Renamed State Street Corporation •
1986-03 Establishment of Manufacturers Hanover Trust Bank, Ltd., the predecessor of State Street Trust and Banking (investment by the US Manufacturers Hanover company 100%) •
1990 Opening of the State Street Bank Tokyo Branch (as the in-Japan branch of State Street Bank and Trust Company) •
1991-12 Manufacturers Hanover Trust Bank → renamed State Street Trust and Banking (brought under State Street) •
1998-02 Establishment of State Street Global Advisors Co., Ltd. (SSGA) (full-scale entry into the asset-management business; the base for the Japan rollout of the SPDR series) •
2006 Administrative penalty against the State Street Bank Tokyo Branch (details in public information; a violation of business law at the time) •
2007 Establishment of the Charles River Development Japan base (expanded provision of OMS/PMS for asset-management firms) •
2012 State Street Trust and Banking opened a Fukuoka office + opened a Yokohama office (a base-expansion period) •
2015 Closure of the Yokohama office •
2016 Fukuoka office headcount expanded to over 100 名 (consolidation of back-office functions) •
2025 2 Q Achieved AUC/A of about 49 兆 dollars (an all-time high) •
2026-01-16 Set a new record of 53.8 兆 dollars in AUC/A in the 2025 4 Q results •

3. Business-segment map

Segment In-Japan provider Characteristics
Global custody State Street Bank Tokyo Branch + trust bank Custody, settlement, and corporate-action processing of US ADRs, overseas equities, overseas bonds, and alternative assets — the parent company’s mainstay revenue pillar
Domestic trust (custody-adjacent) State Street Trust and Banking Domestic asset administration / trustee operations under the trust-business license; one corner of GPIF’s appointed asset managers •
Institutional-investor services Trust bank + Tokyo branch Back office, fund administration, and transfer agency for domestic banks, pension funds, and asset managers
Asset management (AM) SSGA (State Street Global Advisors) Management for public / private pensions, institutional investors, and investment trusts / operator of the SPDR ETF series (SPY = the world’s largest ETF) •
Management systems Charles River Development Japan OMS/PMS/EMS (purchasing / management systems) SaaS for asset-management firms — a unique business type that BNY Mellon does not have
Individual retail None —

Positioning in Japan

  • A principal provider of overseas-investment custody for GPIF, major pensions, and domestic banks: one corner of GPIF’s asset-management institutions, alongside Japan Master Trust master-trust-bank •
  • The meaning of mufg’s shareholder composition 4.51% (2025-03-31): this is a nominee aggregation via institutional investors’ overseas custody accounts (custodian-nominee accumulation), not a strategic holding by State Street itself •

Main competitors

Area Main competitors
Global custody bny-mellon-japan / citigroup-japan / jpmorgan-japan / HSBC
Domestic trust (master-trust-adjacent) master-trust-bank / custody-bank / sumitomo-mitsui-trust / Mitsubishi UFJ Trust
ETF operation BlackRock Japan (iShares) / Vanguard Japan / nomura-hd・daiwa-sg-lineage ETFs / Nomura Asset / Mitsubishi UFJ Asset
Management systems Bloomberg AIM / SimCorp / FactSet (independents) / domestic IT vendors
ADR / depositary institutions Citibank / JPMorgan / Deutsche Bank (one of the 4 major houses in US ADRs; State Street’s ADR business is limited)

Connection to global strategy

  • SPDR series: SPY, linked to the S&P 500 , is the world’s largest ETF, and is also rolled out to institutional investors in Japan via SSGA •

5. Supervision / regulation

  • Supervising authority: the FSA — as a trust bank, an in-Japan branch, and SSGA (a financial instruments business operator)
  • US-side supervision: the FRB (Federal Reserve Board) / OCC (Office of the Comptroller of the Currency) / FDIC; subject to the global stress test DFAST
  • Recent issues:
    • A rising ratio of overseas-asset management by GPIF and public pensions → structural expansion of custody demand
    • Yen depreciation / a shift to overseas investment → an increase in entrusted assets from domestic banks and asset managers building up overseas assets
    • 2025–2026 AUC/A renewing all-time highs: at 53.8 兆 dollars, but with cost increases there is a “revenue paradox” concern (the market views it coolly) •

Sources

[!info] Verification status confidence: likely. A summary based solely on public information (Wikipedia + State Street official IR + SEC disclosures + FSB publications). The Japan base’s specific latest financials (Tokyo branch assets, entrusted assets) are undisclosed or consolidated into the parent company’s accounts, so this article concentrates on an overview of structure, history, and strategy. Note that the AUC/A of 53.8 兆 dollars is on a parent-company global consolidated basis and is not the Japan base alone. For the latest, refer to State Street’s official IR / FSA disclosures.

Discovery

Keep reading

Related

Read next

Links here