SIX.CSEvsXXI
Sixty Six Capital, Inc. 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.
SIX.CSE
Sixty Six Capital, Inc.
🇨🇦 CA
149 BTC
$9.5M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
SIX.CSE
XXI
BTC holdings
149 BTC
43,514 BTC
Market value of BTC
$9.5M
$2.8B
Average cost per BTC
$107,105.14
$84,865.00
Total cost basis
$15.9M
$3.7B
mNAV (market cap ÷ BTC value)
—
0.64×
Sats per share
—
12.5k
Last disclosed purchase
—
No tracked purchases yet
- 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
- Mar 31, 2026+0 BTC$147.5M
SIX.CSE vs XXI: frequently asked
Which company holds more Bitcoin, SIX.CSE or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Sixty Six Capital, Inc.'s (SIX.CSE) 149 BTC — roughly 292.4× more.
What's the total Bitcoin value on the balance sheets of SIX.CSE and XXI?▾
SIX.CSE holds $9.5M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, SIX.CSE or XXI?▾
SIX.CSE's average cost is $107,105.14 per BTC. XXI's is $84,865.00. XXI is the lower cost basis.
When did SIX.CSE last buy Bitcoin?▾
SIX.CSE's last BTC purchase isn't in our tracked history yet.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.