SOSvsXXI
SOS Limited 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
SOS
XXI
BTC holdings
803 BTC
43,514 BTC
Market value of BTC
$51.3M
$2.8B
Average cost per BTC
—
$84,865.00
Total cost basis
—
$3.7B
mNAV (market cap ÷ BTC value)
0.32×
0.64×
Sats per share
5.0k
12.5k
Last disclosed purchase
Dec 31, 2025
- Dec 31, 2025+803 BTC$71.0M
- Dec 30, 2024+0 BTC—
- May 13, 2026+-1 BTC$93.7K
- May 13, 2026+0 BTC$79.3K
- Mar 31, 2026+0 BTC$375.4M
SOS vs XXI: frequently asked
Which company holds more Bitcoin, SOS or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to SOS Limited's (SOS) 803 BTC — roughly 54.2× more.
What's the total Bitcoin value on the balance sheets of SOS and XXI?▾
SOS holds $51.3M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, SOS or XXI?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did SOS last buy Bitcoin?▾
SOS disclosed a 803 BTC purchase on December 31, 2025.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.