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Japanese game developer expands crypto push with SBI

Reported by Crypto
Jul 30, 2026· 3 min read
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Key Takeaways
  • • Gumi, a Japanese game developer, launches SBI Crypto Fund I on August 1, 2026, a ¥3 billion (~$18.3 million) private crypto asset fund with a planned three-year operating term and focus on Bitcoin, major altcoins, staking, and portfolio hedging strategies.
  • • SBI Financial Services holds 51% ownership of the fund's operating company, while Gumi's subsidiary gC Labs retains 49%, with additional capital commitments from Daiwa Securities Group and unnamed institutional investors.
  • • Gumi's total crypto asset holdings reached ¥14.13 billion by April 2026, representing an 86% year-over-year increase, signaling substantial corporate exposure to digital assets beyond its core gaming business.
  • • The fund operates as a private placement through a Japanese silent partnership structure, managed by SBI Crypto Fund LLC, with specific custody providers, fee structures, and altcoin selections not yet disclosed to the public.
  • • The initiative reflects Gumi's strategic pivot to "bridge the crypto asset market and Japanese companies" through investment and liquidity provision, marking an expansion of the company's diversification beyond mobile gaming.
Summary
Gumi, a Japanese game developer, is launching SBI Crypto Fund I on August 1, 2026, establishing a ¥3 billion (~$18.3 million) private crypto investment vehicle in partnership with SBI Financial Services. The fund represents a significant escalation in Gumi's cryptocurrency strategy and reflects growing institutional participation in digital asset management within Japan's financial sector. According to the company's July 28 announcement, the fund will invest primarily in Bitcoin and major listed altcoins while employing active portfolio management techniques including staking, rebalancing, and hedging strategies.

The fund's ownership structure reflects a balanced partnership: SBI Financial Services controls 51% of the operating company, SBI Crypto Fund LLC, while Gumi's wholly owned subsidiary gC Labs holds the remaining 49%. Daiwa Securities Group, a major Japanese financial services firm, and several unnamed institutional investors have committed capital to the fund, though individual contribution amounts remain undisclosed. The partners initially planned to launch the fund in 2025 but delayed operations to assess evolving crypto market conditions.

Gumi's cryptocurrency portfolio has expanded substantially, with the company holding ¥14.13 billion in crypto assets by April 2026—an 86% annual increase companywide. This significant asset accumulation demonstrates the company's deep commitment to digital assets as a core investment area. The fund will operate under a Japanese silent partnership legal structure with a fixed three-year term, a timeline that provides defined visibility for investors while allowing the partners to assess market performance and fund performance metrics.

Notably, Gumi has not disclosed critical fund details including specific altcoin holdings, custody arrangements, fee structures, or risk management parameters. The company issued standard disclaimers that the announcement does not guarantee future returns and does not constitute an investment offer. The fund's stated mission—to "bridge the crypto asset market and Japanese companies" through investment and liquidity provision—positions the vehicle as a potential institutional gateway for Japanese corporate capital into digital asset markets, though the company framed this as a strategic objective rather than a quantifiable commitment.

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Sources

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Crypto Japanese game developer expands crypto push with SBI