Twenty One Capital (XXI) vs Coinbase (COIN)
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.
Metric
XXI
COIN
BTC holdings
43,514
14,548
Market value of BTC
$3.4B
$1.1B
Average cost per BTC
—
$35,634.00
Total cost basis
—
$518.4M
mNAV (market cap ÷ BTC value)
1.47×
35.24×
Sats per share
12.6k
6.5k
Last disclosed purchase
—
2/12/2026
Country
🇺🇸 US
🇺🇸 US
No tracked purchases yet
- 2/12/2026+841$75.0M
- 10/30/2025+2,682$300.0M
- 7/30/2025+2,509$222.0M
- 5/9/2025+267$25.4M
- 12/31/2022+1,127$23.7M
XXI vs COIN: frequently asked
Which company holds more Bitcoin, XXI or COIN?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Coinbase's (COIN) 14,548 BTC — roughly 3.0× more.
What's the total Bitcoin value on the balance sheets of XXI and COIN?▾
XXI holds $3.4B worth of Bitcoin at current market prices. COIN holds $1.1B.
Who has a lower cost basis per Bitcoin, XXI or COIN?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did XXI last buy Bitcoin?▾
XXI's last BTC purchase isn't in our tracked history yet.
When did COIN last buy Bitcoin?▾
COIN disclosed a 841 BTC purchase on February 12, 2026.