BTC-MEMPOOLvsMSTR
The Mempool Open Source Project vs Strategy
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.
BTC-MEMPOOL
The Mempool Open Source Project
🇺🇸 US
3,721 BTC
$290.9M market value
MSTR
Strategy
🇺🇸 US
818,334 BTC
$64.0B market value
Metric
BTC-MEMPOOL
MSTR
BTC holdings
3,721 BTC
818,334 BTC
Market value of BTC
$290.9M
$64.0B
Average cost per BTC
—
$75,541.54
Total cost basis
—
$59.6B
mNAV (market cap ÷ BTC value)
—
0.90×
Sats per share
—
250.6k
Last disclosed purchase
—
4/27/2026
Country
🇺🇸 US
🇺🇸 US
No tracked purchases yet
- 4/27/2026+3,273 BTC$255.0M
- 4/19/2026+34,164 BTC$2.5B
- 4/13/2026+13,927 BTC$1.0B
- 4/6/2026+4,871 BTC$330.0M
- 3/23/2026+1,031 BTC$77.0M
BTC-MEMPOOL vs MSTR: frequently asked
Which company holds more Bitcoin, BTC-MEMPOOL or MSTR?▾
Strategy (MSTR) holds 818,334 BTC, compared to The Mempool Open Source Project's (BTC-MEMPOOL) 3,721 BTC — roughly 219.9× more.
What's the total Bitcoin value on the balance sheets of BTC-MEMPOOL and MSTR?▾
BTC-MEMPOOL holds $290.9M worth of Bitcoin at current market prices. MSTR holds $64.0B.
Who has a lower cost basis per BTC, BTC-MEMPOOL or MSTR?▾
Cost basis disclosure is inconsistent across these two entities; check each company's detail page for per-purchase history.
When did BTC-MEMPOOL last buy Bitcoin?▾
BTC-MEMPOOL's last BTC purchase isn't in our tracked history yet.
When did MSTR last buy Bitcoin?▾
MSTR disclosed a 3,273 BTC purchase on April 27, 2026.