Coinbase (COIN) vs Metaplanet (TYO:3350)

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
COIN
TYO:3350
BTC holdings
14,548
40,177
Market value of BTC
$1.1B
$3.1B
Average cost per BTC
$35,634.00
$97,600.00
Total cost basis
$518.4M
$3.9B
mNAV (market cap ÷ BTC value)
35.25×
1.28×
Sats per share
6.5k
4.5k
Last disclosed purchase
2/12/2026
3/31/2026
Country
🇺🇸 US
🇯🇵 JP
COIN · recent purchases
  • 2/12/2026+841$75.0M
  • 10/30/2025+2,682$300.0M
  • 7/30/2025+2,509$222.0M
  • 5/9/2025+267$25.4M
  • 12/31/2022+1,127$23.7M
TYO:3350 · recent purchases
  • 3/31/2026+5,075$405.5M
  • 12/29/2025+4,279$447.9M
  • 9/29/2025+5,268$623.3M
  • 9/19/2025+5,419$632.5M
  • 9/5/2025+136$15.2M

COIN vs TYO:3350: frequently asked

Which company holds more Bitcoin, COIN or TYO:3350?

Metaplanet (TYO:3350) holds 40,177 BTC, compared to Coinbase's (COIN) 14,548 BTC.

What's the total Bitcoin value on the balance sheets of COIN and TYO:3350?

COIN holds $1.1B worth of Bitcoin at current market prices. TYO:3350 holds $3.1B.

Who has a lower cost basis per Bitcoin, COIN or TYO:3350?

COIN's average cost is $35,634.00 per BTC. TYO:3350's is $97,600.00. COIN is the lower cost basis.

When did COIN last buy Bitcoin?

COIN disclosed a 841 BTC purchase on February 12, 2026.

When did TYO:3350 last buy Bitcoin?

TYO:3350 disclosed a 5,075 BTC purchase on March 31, 2026.