Tokyo, March 7, 2026 – Monex Group, Inc. disclosed that it now holds 83.16% of ordinary shares in Coincheck Group N.V., following the completion of Coincheck’s acquisition of Monex’s 97% stake in 3iQ Corp. on February 28, 2026. The transaction prompted Monex to shift from a Schedule 13G to a Schedule 13D filing, reflecting the company’s concentrated control and active reporting status.

Investor Intent

Monex stated that the shares are held for investment purposes, while emphasizing that it will continue to review its position and strategic involvement with Coincheck. The filing highlights leadership overlap between the two firms, noting that shared executives “may have influence over the corporate activities of the Issuer,” signaling ongoing participation in governance and corporate strategy.

The company also left room to adjust its holdings over time, noting that it “may seek to sell or otherwise dispose” shares or “acquire additional securities”, although no immediate corporate actions are planned beyond existing agreements.

Background on Monex Group

Monex Group, Inc. is a Japanese financial services and online brokerage company with a growing focus on digital assets and fintech. Its portfolio includes Coincheck, reflecting a strategy of building long-term control positions in core subsidiaries to drive strategy, governance, and growth in emerging financial technologies.

The disclosure underscores Monex’s continued commitment to consolidating its influence in the digital asset sector while maintaining flexibility to adapt its holdings in response to market and strategic developments.