| Date | Source | USD | Sentiment | |||
|---|---|---|---|---|---|---|
West Main Self Storage vs Metaplanet
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.


Metaplanet (TYO:3350) holds 43,000 BTC, compared to West Main Self Storage's (BTC-WEST-MAIN-SELF-S) 16 BTC — roughly 2756.4× more.
BTC-WEST-MAIN-SELF-S holds $997.3K worth of Bitcoin at current market prices. TYO:3350 holds $2.7B.
BTC-WEST-MAIN-SELF-S's average cost is $83,516.00 per BTC. TYO:3350's is $95,209.00. BTC-WEST-MAIN-SELF-S is the lower cost basis.
BTC-WEST-MAIN-SELF-S disclosed a 0 BTC purchase on September 1, 2025.
TYO:3350 disclosed a 5,075 BTC purchase on April 2, 2026.