IBTCvsXXI
Monochrome Bitcoin ETF 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.
IBTC
Monochrome Bitcoin ETF
🇦🇺 AU
1,304 BTC
$83.4M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
IBTC
XXI
BTC holdings
1,304 BTC
43,514 BTC
Market value of BTC
$83.4M
$2.8B
Average cost per BTC
—
$84,865.00
Total cost basis
—
$3.7B
mNAV (market cap ÷ BTC value)
—
0.64×
Sats per share
—
- Jul 29, 2025+0 BTC—
- Jan 29, 2025+0 BTC—
- Jan 28, 2025+0 BTC—
- Jan 27, 2025+0 BTC—
- Jan 23, 2025+0 BTC—
IBTC vs XXI: frequently asked
Which company holds more Bitcoin, IBTC or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Monochrome Bitcoin ETF's (IBTC) 1,304 BTC — roughly 33.4× more.
What's the total Bitcoin value on the balance sheets of IBTC and XXI?▾
IBTC holds $83.4M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, IBTC or XXI?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did IBTC last buy Bitcoin?▾
IBTC disclosed a 0 BTC purchase on July 29, 2025.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.