Company

Main Business

TradeStation Group, Inc.

Intermediate Holding Company

TradeStation Securities, Inc.

US online brokerage business for active traders

Docomo Monex Holdings, Inc.*

Intermediate Holding Company

Monex, Inc.*

Online brokerage business (equities and mutual funds)

Company

Main Business

Coincheck Group N.V.

Intermediate Holding Company

Coincheck, Inc.

Crypto asset exchange operation and related services business

3iQ Digital Holdings Inc.

Canada-based global crypto asset management business

Next Finance Tech Co., Ltd.

Crypto asset staking services business

Aplo SAS

Crypto asset prime brokerage business for institutional investors

Company

Main Business

Monex Asset Management, Inc.

Asset management business (quantitative investing, bond investing)

Japan Catalyst, Inc.

Investment advisory business

Monex Private Bank, Inc.

Private banking business for high-net-worth individuals

Monex SP Trust, Inc.

Provides custodial trust services for the administration and disposition of trust assets

Westfield Capital Management Company, L.P.*

US asset management business (focused on small and mid-cap growth stocks)

Company

Main Business

Monex Ventures, Inc.

Venture capital business

Company

Main Business

Viling, Inc.

STEAM education and child developmental support system business

Monex Life Settlement, Inc.

Life settlement business

Monex Crypto Bank, Inc.

Crypto asset and blockchain research, development, and consulting business

Monex Finance Corporation

Intra-group financing and funding

Genex, Inc.*

Genomic data platform business

  • Equity Method Affiliate

As of July 2026