| Date | Source | USD | Sentiment | |||
|---|---|---|---|---|---|---|
Grayscale Bitcoin Trust 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.


Grayscale Bitcoin Trust (GBTC) holds 135,664 BTC, compared to Marathon Digital's (MARA) 35,303 BTC — roughly 3.8× more.
GBTC holds $8.7B worth of Bitcoin at current market prices. MARA holds $2.3B.
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
GBTC disclosed a -17 BTC purchase on July 13, 2026.
MARA disclosed a -3,386 BTC purchase on May 11, 2026.