Marathon Digital (MARA) vs CleanSpark (CLSK)

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
CLSK
BTC holdings
38,689
13,099
Market value of BTC
$3.0B
$1.0B
Average cost per BTC
$70,069.00
Total cost basis
$5.9B
mNAV (market cap ÷ BTC value)
1.66×
2.94×
Sats per share
10.2k
5.1k
Last disclosed purchase
3/2/2026
Country
🇺🇸 US
🇺🇸 US
MARA · recent purchases
  • 3/2/2026+860$150.0M
  • 11/4/2025+860$20.9M
  • 4/3/2025+1,226$103.0M
  • 3/10/2025+715$62.5M
  • 2/3/2025+766$74.9M
CLSK · recent purchases
No tracked purchases yet

MARA vs CLSK: frequently asked

Which company holds more Bitcoin, MARA or CLSK?

Marathon Digital (MARA) holds 38,689 BTC, compared to CleanSpark's (CLSK) 13,099 BTC — roughly 3.0× more.

What's the total Bitcoin value on the balance sheets of MARA and CLSK?

MARA holds $3.0B worth of Bitcoin at current market prices. CLSK holds $1.0B.

Who has a lower cost basis per Bitcoin, MARA or CLSK?

Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.

When did MARA last buy Bitcoin?

MARA disclosed a 860 BTC purchase on March 2, 2026.

When did CLSK last buy Bitcoin?

CLSK's last BTC purchase isn't in our tracked history yet.