BTC-MASSACHUSETTS-MUvsXXI
Massachusetts Mutual vs Twenty One Capital
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-MASSACHUSETTS-MU
Massachusetts Mutual
🇺🇸 US
3,500 BTC
$225.7M market value
XXI
Twenty One Capital
🇺🇸 US
43,514 BTC
$2.8B market value
Metric
BTC-MASSACHUSETTS-MU
XXI
BTC holdings
3,500 BTC
43,514 BTC
Market value of BTC
$225.7M
$2.8B
Average cost per BTC
$81,348.00
$84,865.00
Total cost basis
$284.7M
$3.7B
mNAV (market cap ÷ BTC value)
—
0.66×
Sats per share
—
12.5k
Last disclosed purchase
—
No tracked purchases yet
- May 13, 2026+-1 BTC$93.7K
- May 13, 2026+0 BTC$79.3K
- Mar 31, 2026+0 BTC$375.4M
- Mar 31, 2026+0 BTC$458.7M
- Mar 31, 2026+0 BTC$147.5M
BTC-MASSACHUSETTS-MU vs XXI: frequently asked
Which company holds more Bitcoin, BTC-MASSACHUSETTS-MU or XXI?▾
Twenty One Capital (XXI) holds 43,514 BTC, compared to Massachusetts Mutual's (BTC-MASSACHUSETTS-MU) 3,500 BTC — roughly 12.4× more.
What's the total Bitcoin value on the balance sheets of BTC-MASSACHUSETTS-MU and XXI?▾
BTC-MASSACHUSETTS-MU holds $225.7M worth of Bitcoin at current market prices. XXI holds $2.8B.
Who has a lower cost basis per BTC, BTC-MASSACHUSETTS-MU or XXI?▾
BTC-MASSACHUSETTS-MU's average cost is $81,348.00 per BTC. XXI's is $84,865.00. BTC-MASSACHUSETTS-MU is the lower cost basis.
When did BTC-MASSACHUSETTS-MU last buy Bitcoin?▾
BTC-MASSACHUSETTS-MU's last BTC purchase isn't in our tracked history yet.
When did XXI last buy Bitcoin?▾
XXI disclosed a -1 BTC purchase on May 13, 2026.