GBTCvsXXI
Grayscale 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.
GBTC
Grayscale Bitcoin Trust
🇺🇸 US
135,664 BTC
$8.7B market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
GBTC
XXI
BTC holdings
135,664 BTC
43,514 BTC
Market value of BTC
$8.7B
$2.8B
Average cost per BTC
—
$84,865.00
Total cost basis
—
$3.7B
mNAV (market cap ÷ BTC value)
—
0.64×
Sats per share
19.6k
12.5k
- Jul 13, 2026+-17 BTC$1.0M
- Jul 10, 2026+-5.58 BTC$357.2K
- Jul 9, 2026+-1,029 BTC$65.0M
- Jul 8, 2026+-5.62 BTC$349.9K
- Jul 8, 2026+-1,026 BTC$63.7M
GBTC vs XXI: frequently asked
Which company holds more Bitcoin, GBTC or XXI?▾
Grayscale Bitcoin Trust (GBTC) holds 135,664 BTC, compared to Twenty One Capital's (XXI) 43,514 BTC — roughly 3.1× more.
What's the total Bitcoin value on the balance sheets of GBTC and XXI?▾
GBTC holds $8.7B worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, GBTC or XXI?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did GBTC last buy Bitcoin?▾
GBTC disclosed a -17 BTC purchase on July 13, 2026.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.