XXIvsSPCX
Twenty One Capital vs SpaceX
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
SPCX
BTC holdings
43,514 BTC
18,712 BTC
Market value of BTC
$2.8B
$1.2B
Average cost per BTC
$84,865.00
$35,325.00
Total cost basis
$3.7B
$661.0M
mNAV (market cap ÷ BTC value)
0.71×
—
Sats per share
12.5k
—
Last disclosed purchase
5/13/2026
- 5/13/2026+-1 BTC-$93.7K
- 5/13/2026+0 BTC$0.00
- 3/31/2026+0 BTC$375.4M
- 3/31/2026+0 BTC$458.7M
- 3/31/2026+0 BTC$147.5M
No tracked purchases yet
XXI vs SPCX: frequently asked
Which company holds more Bitcoin, XXI or SPCX?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to SpaceX's (SPCX) 18,712 BTC — roughly 2.3× more.
What's the total Bitcoin value on the balance sheets of XXI and SPCX?▾
XXI holds $2.8B worth of Bitcoin at current market prices. SPCX holds $1.2B.
Who has a lower cost basis per BTC, XXI or SPCX?▾
XXI's average cost is $84,865.00 per BTC. SPCX's is $35,325.00. SPCX is the lower cost basis.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.
When did SPCX last buy Bitcoin?▾
SPCX's last BTC purchase isn't in our tracked history yet.