| Date | Source | USD | Sentiment | |||
|---|---|---|---|---|---|---|
BlackRock iShares Bitcoin Trust 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.




BlackRock iShares Bitcoin Trust (IBIT) holds 734,354 BTC, compared to Metaplanet's (TYO:3350) 43,000 BTC — roughly 17.1× more.
IBIT holds $46.9B worth of Bitcoin at current market prices. TYO:3350 holds $2.7B.
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
IBIT disclosed a 1,359 BTC purchase on July 10, 2026.
TYO:3350 disclosed a 5,075 BTC purchase on April 2, 2026.