| Date | Source | USD | Sentiment | |||
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Sono Group N.V. vs Metaplanet
Side-by-side Bitcoin treasury comparison: holdings, market cap, mNAV ratio, BTC per share, cost basis, and recent purchases. Numbers refresh every 5 minutes from SEC filings and live market data.

Metaplanet (TYO:3350) holds 40,177 BTC, compared to Sono Group N.V.'s (SSM) 68 BTC — roughly 586.6× more.
SSM holds $4.1M worth of Bitcoin at current market prices. TYO:3350 holds $2.4B.
SSM's average cost is $73,000.02 per BTC. TYO:3350's is $104,284.03. SSM is the lower cost basis.
SSM's last BTC purchase isn't in our tracked history yet.
TYO:3350 disclosed a 5,075 BTC purchase on April 2, 2026.