CLSKvsMARA
CleanSpark 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.
CLSK
CleanSpark
🇺🇸 US
13,924 BTC
$882.4M market value
MARA
Marathon Digital
🇺🇸 US
35,303 BTC
$2.2B market value
Metric
CLSK
MARA
BTC holdings
13,924 BTC
35,303 BTC
Market value of BTC
$882.4M
$2.2B
Average cost per BTC
—
$68,236.16
Total cost basis
—
$2.4B
mNAV (market cap ÷ BTC value)
3.62×
2.05×
Sats per share
5.4k
9.3k
Last disclosed purchase
Mar 31, 2026
- Mar 31, 2026+11,920 BTC$795.1M
- May 11, 2026+-3,386 BTC$278.1M
- May 11, 2026+0 BTC$1.5B
- Mar 26, 2026+0 BTC$1.1B
- Mar 26, 2026+-15,133 BTC$1.1B
CLSK vs MARA: frequently asked
Which company holds more Bitcoin, CLSK or MARA?▾
Marathon Digital (MARA) holds 35,303 BTC, compared to CleanSpark's (CLSK) 13,924 BTC — roughly 2.5× more.
What's the total Bitcoin value on the balance sheets of CLSK and MARA?▾
CLSK holds $882.4M worth of Bitcoin at current market prices. MARA holds $2.2B.
Who has a lower cost basis per BTC, CLSK or MARA?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did CLSK last buy Bitcoin?▾
CLSK disclosed a 11,920 BTC purchase on March 31, 2026.
When did MARA last buy Bitcoin?▾
MARA disclosed a -3,386 BTC purchase on May 11, 2026.