FBTC.TOvsXXI
Fidelity Advantage 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.
FBTC.TO
Fidelity Advantage Bitcoin ETF
🇨🇦 CA
13,982 BTC
$919.5M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.9B market value
Metric
FBTC.TO
XXI
BTC holdings
13,982 BTC
43,514 BTC
Market value of BTC
$919.5M
$2.9B
Average cost per BTC
—
$84,865.00
Total cost basis
—
$3.7B
mNAV (market cap ÷ BTC value)
—
0.70×
Sats per share
—
No tracked purchases yet
- 5/13/2026+-1 BTC-$93.7K
- 5/13/2026+0 BTC$0.00
- 3/31/2026+0 BTC$375.4M
- 3/31/2026+0 BTC$458.7M
- 3/31/2026+0 BTC$147.5M
FBTC.TO vs XXI: frequently asked
Which company holds more Bitcoin, FBTC.TO or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Fidelity Advantage Bitcoin ETF's (FBTC.TO) 13,982 BTC — roughly 3.1× more.
What's the total Bitcoin value on the balance sheets of FBTC.TO and XXI?▾
FBTC.TO holds $919.5M worth of Bitcoin at current market prices. XXI holds $2.9B.
Who has a lower cost basis per BTC, FBTC.TO or XXI?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did FBTC.TO last buy Bitcoin?▾
FBTC.TO's last BTC purchase isn't in our tracked history yet.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.