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