ABTCvsXXI
American Bitcoin Corp. 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.
ABTC
American Bitcoin Corp.
🇺🇸 US
8,000 BTC
$511.4M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
ABTC
XXI
BTC holdings
8,000 BTC
43,514 BTC
Market value of BTC
$511.4M
$2.8B
Average cost per BTC
$101,246.00
$84,865.00
Total cost basis
$810.0M
$3.7B
mNAV (market cap ÷ BTC value)
11.43×
0.64×
Sats per share
724
12.5k
Last disclosed purchase
May 6, 2026
- May 6, 2026+0 BTC$131.9M
- May 6, 2026+58 BTC$4.7M
- Mar 27, 2026+1,562 BTC$107.5M
- Mar 27, 2026+0 BTC$131.6M
- Feb 26, 2026+303 BTC$20.6M
ABTC vs XXI: frequently asked
Which company holds more Bitcoin, ABTC or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to American Bitcoin Corp.'s (ABTC) 8,000 BTC — roughly 5.4× more.
What's the total Bitcoin value on the balance sheets of ABTC and XXI?▾
ABTC holds $511.4M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, ABTC or XXI?▾
ABTC's average cost is $101,246.00 per BTC. XXI's is $84,865.00. XXI is the lower cost basis.
When did ABTC last buy Bitcoin?▾
ABTC disclosed a 0 BTC purchase on May 6, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.