ATAIvsXXI
AtaiBeckley 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.
ATAI
AtaiBeckley Inc.
🇩🇪 DE
100 BTC
$6.4M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
ATAI
XXI
BTC holdings
100 BTC
43,514 BTC
Market value of BTC
$6.4M
$2.8B
Average cost per BTC
$87,525.00
$84,865.00
Total cost basis
$8.7M
$3.7B
mNAV (market cap ÷ BTC value)
—
0.64×
Sats per share
27
12.5k
Last disclosed purchase
May 12, 2026
- May 12, 2026+0 BTC$10.0M
- Dec 31, 2025+100 BTC$8.7M
- May 13, 2026+-1 BTC$93.7K
- May 13, 2026+0 BTC$79.3K
- Mar 31, 2026+0 BTC$375.4M
ATAI vs XXI: frequently asked
Which company holds more Bitcoin, ATAI or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to AtaiBeckley Inc.'s (ATAI) 100 BTC — roughly 436.0× more.
What's the total Bitcoin value on the balance sheets of ATAI and XXI?▾
ATAI holds $6.4M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, ATAI or XXI?▾
ATAI's average cost is $87,525.00 per BTC. XXI's is $84,865.00. XXI is the lower cost basis.
When did ATAI last buy Bitcoin?▾
ATAI disclosed a 0 BTC purchase on May 12, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.