XYZvsXXI
Block 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
XYZ
XXI
BTC holdings
9,032 BTC
43,514 BTC
Market value of BTC
$577.5M
$2.8B
Average cost per BTC
$33,791.00
$84,865.00
Total cost basis
$305.2M
$3.7B
mNAV (market cap ÷ BTC value)
81.13×
0.64×
Sats per share
1.5k
12.5k
Last disclosed purchase
May 7, 2026
- May 7, 2026+149 BTC$11.9M
- Feb 26, 2026+398 BTC$26.9M
- Feb 24, 2025+447 BTC$40.9M
- Feb 22, 2024+11 BTC$563.9K
- Feb 24, 2022+3,318 BTC$127.3M
XYZ vs XXI: frequently asked
Which company holds more Bitcoin, XYZ or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Block's (XYZ) 9,032 BTC — roughly 4.8× more.
What's the total Bitcoin value on the balance sheets of XYZ and XXI?▾
XYZ holds $577.5M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, XYZ or XXI?▾
XYZ's average cost is $33,791.00 per BTC. XXI's is $84,865.00. XYZ is the lower cost basis.
When did XYZ last buy Bitcoin?▾
XYZ disclosed a 149 BTC purchase on May 7, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.