Metaplanet to Acquire Siiibo Securities in Bitcoin Product Push

Deal gives Japanese Bitcoin holder a regulated securities platform
TL;DR
- Metaplanet agreed to acquire Siiibo Securities and plans to rename it Metaplanet Securities.
- The acquisition is tied to Project Nova, Metaplanet’s plan to build a Bitcoin-centered financial ecosystem in Japan.
- Simon Gerovich said the deal will support Bitcoin-related yield products for Japanese investors.
Trade smarter on Jupiter, Solana’s leading DEX built for fast execution and deep liquidity.
Swap tokens at competitive rates, route across multiple liquidity sources automatically, and access perpetuals, DCA, and advanced trading tools — all in one place!
Metaplanet said it will acquire Siiibo Securities, a Tokyo-based regulated broker and online corporate bond platform, in a deal aimed at expanding its Bitcoin strategy into regulated financial products for Japanese investors.
The acquisition was announced on Friday, June 12, 2026, and values Siiibo at about 2.1 billion yen, roughly $13.1 million. After the transaction closes, Siiibo Securities will become a wholly owned subsidiary of Metaplanet and will be renamed Metaplanet Securities.
Metaplanet CEO Simon Gerovich said on X that the company had agreed to fully acquire Siiibo Securities, calling Siiibo a “licensed Type I securities firm” and a major player in Japan’s online corporate bond market. Gerovich said the transaction is expected to close in July 2026.

Metaplanet links acquisition to Project Nova
Metaplanet framed the deal as its first major step under Project Nova, a plan to build a Bitcoin-centric financial ecosystem in Japan. Gerovich called the transaction “Metaplanet’s first major acquisition” and the “first concrete step in Project Nova,” making clear that the company views the purchase as part of a broader financial-products strategy rather than a standalone brokerage acquisition.
Gerovich said bringing Siiibo’s Type I registration and online securities platform into Metaplanet would allow the company to develop and distribute Bitcoin-related yield products directly to Japanese investors. He said Japan’s macro environment is becoming more favorable for yield products as the country moves from deflation toward inflation and capital has “begun searching for yield.”
Metaplanet said the strategy will be supported by its 40,177 BTC holdings, valued at about $2.6 billion as of May 31, 2026. The company’s stated direction is to use Bitcoin not only as a treasury reserve asset but also as the foundation for new financial products and services.
Siiibo Securities was founded in 2019 and operates as an independent Type I financial instruments business operator in Japan. Its platform allows retail investors to invest in privately placed corporate bonds, a market segment that has historically been dominated by institutions and high-net-worth investors.
Siiibo has facilitated more than 100 bond issuances for over 40 companies. Metaplanet expects Siiibo’s regulatory licenses, customer base and securities expertise to support its ambitions in digital assets and tokenized finance, including Bitcoin-linked investment products, expanded securities distribution and tokenized financial instruments.
Gerovich said Metaplanet’s mission is to deliver “new yield-generating opportunities” through a Bitcoin-centric financial platform and to build a financial ecosystem from Japan that connects Bitcoin with traditional finance.
We’ve launched the all-new COIN360 Perp DEX, built for traders who move fast!
Trade 130+ assets with up to 100× leverage, enjoy instant order placement and low-slippage swaps, and earn USDC passive yield while climbing the leaderboard. Your trades deserve more than speed — they deserve mastery.
Japan’s household savings frame the opportunity
Bank of Japan data released in March 2026 showed that Japanese households held 1,140 trillion yen, or about $7.1 trillion, in cash and deposits at the end of 2025. Cash and deposits represented about 48.5% of total Japanese household financial assets, highlighting the large pool of conservative capital Metaplanet is seeking to address with regulated yield products.
The acquisition also comes as both companies have reported losses. Siiibo posted a net loss of 175.4 million yen, or about $1.1 million, last year, compared with a net loss of 162.1 million yen, or about $1 million, in 2024. Metaplanet posted a 114.5 billion yen net loss, or about $715.4 million, in Q1 2026, driven by Bitcoin end-of-period mark-to-market valuation losses.
Metaplanet’s Tokyo-listed shares, traded under ticker 3350, closed up 3.6% on Friday after the acquisition announcement. The stock was still down about 31.7% over the past month.
FAQ
What is Metaplanet buying?
Metaplanet is acquiring Siiibo Securities, a Tokyo-based regulated broker and online corporate bond platform.
What will Siiibo Securities be renamed?
Siiibo Securities will be renamed Metaplanet Securities after becoming a wholly owned subsidiary.
What is Project Nova?
Project Nova is Metaplanet’s plan to build a Bitcoin-centric financial ecosystem in Japan.
Why does the deal matter for Metaplanet’s Bitcoin strategy?
It gives Metaplanet regulated securities infrastructure to develop Bitcoin-related yield products for Japanese investors.
This article has been refined and enhanced by ChatGPT.