MPJPY · Metaplanet
🇯🇵Japan's largest bitcoin treasury (~40k BTC). Pivoted from hospitality to relentless BTC accumulation, funded by serial zero-coupon bond issuances and a new perpetual-preferred stack (the MERCURY series, with a senior MARS series planned).
Market cap uses a filing-sourced share count (~1,281M shares · TSE:3350 ~1.281B shares outstanding (stockanalysis.com / companiesmarketcap baseline 2026-06-12); re-reviewed 2026-07-08 — no cleaner public count) because the bitcointreasuries.net feed lags this name's ongoing dilution.
CEBE BPS and Amplification are pending for MPJPY· its senior-claims figures (debt + preferred) aren't reliably sourced yet, so we publish gross BPS and mNAV rather than a guess. CEBE BPS is the bitcoin per share after senior claims; the gap from gross BPS is Amplification, the senior leverage Michael Saylor frames as the risk metric.
Metaplanet is Japan's largest corporate bitcoin holder, having pivoted from hospitality into relentless BTC accumulation. It funds purchases through a long series of zero-coupon bonds and a new perpetual-preferred stack (the MERCURY series, with a senior MARS series planned). MPJPY is the US-sponsored ADR; the common trades in Tokyo as 3350.T.
Frequently asked about MPJPY
What is MPJPY (Metaplanet)?
Japan's largest bitcoin treasury (~40k BTC). Pivoted from hospitality to relentless BTC accumulation, funded by serial zero-coupon bond issuances and a new perpetual-preferred stack (the MERCURY series, with a senior MARS series planned). MPJPY is one of the four major public Bitcoin treasury companies tracked on Galaxy Mind alongside MSTR (Strategy), XXI (Twenty One Capital), MPJPY (Metaplanet), and ASST (Strive). See the live mNAV scoreboard at galaxymind.space/treasuries.
What is MPJPY's current mNAV?
MPJPY's mNAV (market cap divided by the value of its bitcoin holdings) is currently 0.69x. Market cap is 31% below the value of the bitcoin it holds. Historically a strong accumulation signal. The smart money has stopped paying a premium. See live updates and 90-day history at galaxymind.space/treasuries/MPJPY.
What is MPJPY's net (CEBE) mNAV?
MPJPY's CEBE (net-of-senior-claims) mNAV is pending · its debt and preferred figures aren't reliably sourced yet, so Galaxy Mind publishes the gross mNAV rather than a guess. Track it at galaxymind.space/treasuries/MPJPY.
Is MPJPY a good Bitcoin investment?
Whether MPJPY is a good investment depends on its current mNAV (premium or discount to its bitcoin holdings), your time horizon, and your account type (Taxable / Traditional / Roth). The Galaxy Mind allocation engine at /fit factors mNAV explicitly · when treasury mNAV is rich (≥1.6x) it auto-trims the sleeve in favor of pure-spot Bitcoin (BTC or IBIT/MSBT). Not financial advice.
How many Bitcoin does MPJPY hold?
MPJPY (Metaplanet) currently holds 43,000 BTC on its balance sheet. Data sourced from bitcointreasuries.net, updated every 5 minutes. View the full per-treasury comparison at galaxymind.space/treasuries.