SPCXvsMARA
SpaceX vs Marathon Digital
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.
Metric
SPCX
MARA
BTC holdings
18,712 BTC
35,303 BTC
Market value of BTC
$1.2B
$2.3B
Average cost per BTC
$35,325.00
$68,236.16
Total cost basis
$661.0M
$2.4B
mNAV (market cap ÷ BTC value)
—
2.35×
Sats per share
—
9.3k
Last disclosed purchase
—
No tracked purchases yet
- 5/11/2026+-3,386 BTC$0.00
- 5/11/2026+0 BTC$0.00
- 3/26/2026+0 BTC$1.1B
- 3/26/2026+-15,133 BTC-$1.1B
- 3/2/2026+0 BTC$0.00
SPCX vs MARA: frequently asked
Which company holds more Bitcoin, SPCX or MARA?▾
Marathon Digital (MARA) holds 35,303 BTC, compared to SpaceX's (SPCX) 18,712 BTC — roughly 1.9× more.
What's the total Bitcoin value on the balance sheets of SPCX and MARA?▾
SPCX holds $1.2B worth of Bitcoin at current market prices. MARA holds $2.3B.
Who has a lower cost basis per BTC, SPCX or MARA?▾
SPCX's average cost is $35,325.00 per BTC. MARA's is $68,236.16. SPCX is the lower cost basis.
When did SPCX last buy Bitcoin?▾
SPCX's last BTC purchase isn't in our tracked history yet.
When did MARA last buy Bitcoin?▾
MARA disclosed a -3,386 BTC purchase on May 11, 2026.