Metaplanet, Japan's largest corporate Bitcoin holder, has agreed to acquire Siiibo Securities for JPY 2.1 billion ($13 million), a move that hands the firm a regulated securities license and a ready-made distribution platform. The deal is the operational backbone of Project Nova, Metaplanet's strategy to build a full suite of Bitcoin-linked financial products including BTC-backed bonds and security tokens.
Why it matters
This is more than a treasury play. By acquiring a licensed securities company rather than simply partnering with one, Metaplanet is vertically integrating its Bitcoin strategy into Japan's regulated capital markets infrastructure. The securities license unlocks the ability to issue, distribute, and manage BTC-linked instruments directly — a capability no other corporate Bitcoin holder has pursued at this scale. For Japan's retail and institutional investor base, it opens a regulated on-ramp to Bitcoin exposure without direct custody, a structurally significant development in a market where regulatory clarity has historically lagged.
Market impact
Metaplanet currently holds 40,177 BTC, ranking it as the world's third-largest corporate Bitcoin holder behind MicroStrategy and Marathon Digital. The Siiibo acquisition signals the firm is not content to accumulate passively — it is building the financial plumbing to monetise that treasury through yield-generating and structured products. Watch for BTC bond issuance timelines and any regulatory filings with Japan's FSA as the next catalysts. If Project Nova executes, it could become a template other Asia-Pacific corporates replicate.
Source: [source](https://contents.xj-storage.jp/xcontents/33500/af82392b/80dd/48c9/bc6e/d28636e7ab11/140120260612569957.pdf)
Frequently asked questions
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What does acquiring a securities license allow Metaplanet to do with its Bitcoin holdings?
The securities license from Siiibo Securities enables Metaplanet to issue, distribute, and manage BTC-linked financial products — including bonds and security tokens — directly within Japan's regulated capital markets, without requiring investors to hold Bitcoin themselves.
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How large is Metaplanet's Bitcoin treasury compared to other corporate holders?
Metaplanet holds 40,177 BTC, ranking it as the world's third-largest corporate Bitcoin holder, behind MicroStrategy and Marathon Digital.
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What is Project Nova and what products does it aim to launch?
Project Nova is Metaplanet's strategic framework to build a suite of Bitcoin-linked financial instruments, including BTC-backed bonds and security tokens, leveraging the securities license and distribution platform acquired through the Siiibo deal.
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