COINvsXXI
Coinbase vs Twenty One Capital
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
COIN
XXI
BTC holdings
16,949 BTC
43,514 BTC
Market value of BTC
$1.1B
$2.8B
Average cost per BTC
$98,950.50
$84,865.00
Total cost basis
$1.7B
$3.7B
mNAV (market cap ÷ BTC value)
38.44×
0.64×
Sats per share
6.4k
12.5k
Last disclosed purchase
May 7, 2026
- May 7, 2026+1,073 BTC$85.8M
- May 13, 2026+-1 BTC$93.7K
- May 13, 2026+0 BTC$79.3K
- Mar 31, 2026+0 BTC$375.4M
- Mar 31, 2026+0 BTC$458.7M
COIN vs XXI: frequently asked
Which company holds more Bitcoin, COIN or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Coinbase's (COIN) 16,949 BTC — roughly 2.6× more.
What's the total Bitcoin value on the balance sheets of COIN and XXI?▾
COIN holds $1.1B worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, COIN or XXI?▾
COIN's average cost is $98,950.50 per BTC. XXI's is $84,865.00. XXI is the lower cost basis.
When did COIN last buy Bitcoin?▾
COIN disclosed a 1,073 BTC purchase on May 7, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.