TL;DR:
- Metaplanet will acquire Siiibo Securities, a Type I securities firm in Japan, for ¥2.1 billion ($13 million); the deal is expected to close in July.
- The transaction is part of “Project Nova,” a long-term strategy to build a bitcoin-centered financial ecosystem in Japan.
- The company backs the deal with its 40,177 BTC holdings and targets the $7.1 trillion in cash accumulated by Japanese households.
The Japanese bitcoin treasury firm Metaplanet announced the acquisition of Siiibo Securities for ¥2.1 billion, equivalent to approximately $13 million, with the goal of developing and distributing bitcoin-linked financial products directly to investors in Japan. The deal is expected to close in July 2026, at which point the company plans to rebrand Siiibo as Metaplanet Securities.
The agreement was confirmed by Simon Gerovich, CEO of Metaplanet. According to Gerovich, the integration of Siiibo —a firm licensed as a Type I financial instruments operator and a key player in Japan’s online corporate bond market— will allow the Japanese treasury company to expand beyond bitcoin accumulation and offer products aimed directly at retail investors.
We are pleased to announce that Metaplanet has entered into an agreement to acquire 100% of Siiibo Securities, a licensed Type I securities firm and a pioneer of Japan's online corporate bond market. Following closing, expected in July, the company will be renamed Metaplanet… pic.twitter.com/1S6o2GXjP1
— Simon Gerovich (@gerovich) June 12, 2026
“With Siiibo’s Type I registration and online securities platform within the group, we will develop and distribute bitcoin-linked yield products directly to Japanese investors,” the executive stated, noting that the transaction will be backed by the 40,177 BTC the company holds on its balance sheet.
Metaplanet Is Building a Bitcoin-Centered Financial Ecosystem
The acquisition is part of the so-called “Project Nova,” Metaplanet’s long-term strategy to build a financial ecosystem that bridges bitcoin with traditional finance from Japan. Gerovich framed the initiative within the local macroeconomic context: according to Bank of Japan data published in March, Japanese households held approximately ¥1,140 trillion —around $7.1 trillion— in cash and deposits as of end-2025, a figure representing 48.5% of their total financial assets. As Japan transitions from deflation to inflation, that capital, in Gerovich’s words, “has begun to seek yield.”
Founded in 2019, Siiibo Securities operates as an independent platform that allows retail investors to access privately placed corporate bonds, a segment historically reserved for institutions and high-net-worth individuals. The firm has facilitated more than 100 bond issuances for over 40 companies, though it recorded a net loss of ¥175.4 million in 2025, compared to ¥162.1 million the previous year. Meanwhile, Metaplanet reported a net loss of ¥114.5 billion in the first quarter of 2026, driven primarily by mark-to-market losses on its bitcoin holdings.
