IBITvsXXI
BlackRock iShares Bitcoin Trust 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.
IBIT
BlackRock iShares Bitcoin Trust
🇺🇸 US
734,354 BTC
$46.9B market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
IBIT
XXI
BTC holdings
734,354 BTC
43,514 BTC
Market value of BTC
$46.9B
$2.8B
Average cost per BTC
—
$84,865.00
Total cost basis
—
$3.7B
mNAV (market cap ÷ BTC value)
—
0.64×
Sats per share
45.6k
12.5k
- Jul 10, 2026+1,359 BTC$86.8M
- Jul 10, 2026+1,355 BTC$86.8M
- Jul 8, 2026+-952 BTC$60.1M
- Jul 8, 2026+-949 BTC$59.1M
- Jul 7, 2026+705 BTC$43.9M
IBIT vs XXI: frequently asked
Which company holds more Bitcoin, IBIT or XXI?▾
BlackRock iShares Bitcoin Trust (IBIT) holds 734,354 BTC, compared to Twenty One Capital's (XXI) 43,514 BTC — roughly 16.9× more.
What's the total Bitcoin value on the balance sheets of IBIT and XXI?▾
IBIT holds $46.9B worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, IBIT or XXI?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did IBIT last buy Bitcoin?▾
IBIT disclosed a 1,359 BTC purchase on July 10, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.