Bitcoin Japan holds BTC as a long-term reserve and invests in digital asset businesses.
TSE:8105- BTC holdings
- 11.919
- Cost Basis
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- Average cost / BTC
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- Change since start of year
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$876.6K · as of Sep 28, 2026 · price as of Nov 11, 2026
NgU — · as of Sep 28, 2026
—
- Market Cap
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- Enterprise Value
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- mNAV
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- Holdings per Share (BTC)
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Asset holdings
Latest reported holdings for each asset. Cost Basis is the reported total cost. It can include fees and staking income. It does not give the date or price of each Purchase.
| Asset | Holdings | Cost Basis | As of | Sources |
|---|---|---|---|---|
| BTC | 11.9188 | Not reported | Sep 28, 2026 |
HoldingsBTC vs USD value
11.919 BTC
$879.56K USD value · as of 2026-11-10
- BTC Holdings (left)
- USD Value (right)
BTC Reserve
11.919 BTC
- Holdings
- Purchase (size = amount)
- Sale (size = amount)
BTC historical holdings
| Date | Change | Holdings | Cumulative cost | Average Cost | Sources |
|---|---|---|---|---|---|
| Sep 28, 2026 | — | 11.919 | — | — |
Advanced metrics
| Date | BTC holdings | Shares outstanding | Stock price | Market Cap | Financials | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Balance | Cost Basis | Value | Basic | Diluted | Basic | Diluted | Cash | Debt | ||
| Sep 28, 2026 | 11.919 | — | $995.22K | — | — | $0.47 | — | — | — | — |
— means no value was disclosed or derivable for that date.Stock prices are daily closes in USD at today's exchange rate.
BTC holdings comparison
- #1
Strategy850,364 BTC - #2
Metaplanet44,000 BTC - #3
Twenty One Capital43,514 BTC - #4
Strive43,124 BTC - #5
MARA Holdings35,577 BTC - #6
Bullish22,000 BTC - #7
SpaceX18,712 BTC - #8
Coinbase Global17,864 BTC - #9
Trump Media & Technology Group14,139 BTC - #10
CleanSpark13,530 BTC - #129
Bitcoin Japan11.919 BTC