#2 BTC CompanyUnited States · NYSE: XXI · Financial Services

Twenty One Capital

Twenty One Capital is a Treasury Company that holds BTC as its main asset and plans to build Bitcoin-related financial services.

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BTC Holdings

43,514 BTC

As of 2026-06-30

Holdings

BTC Reserve

43,514 BTC

Average Cost $84,865 / BTC · 0 Purchases and 1 Sale since 2026-03-31

Holdings
Average Cost
Purchase (size = amount)
Sale (size = amount)

BTC history

Date	Type	Change	Holdings	Cumulative cost	Average Cost	Sources
2026-06-30	Holdings Snapshot	0 BTC0%	43,514	$3.69B	$84,865	10-Q · 2026-08-11	Report
2026-03-31	Holdings Snapshot	-1 BTC0%	43,514	$3.69B	$84,865	10-Q · 2026-05-13	Report
2026-03-31	Sale	-1 BTC	—	—	—	10-Q · 2026-05-13	Report
2025-12-31	Holdings Snapshot	—	43,515	$3.69B	$84,864	10-K · 2026-03-31 10-Q · 2026-05-13	Report

BTC holdings comparison

#1Strategy847,666 BTC
#2Twenty One Capital43,514 BTC
#3Metaplanet43,000 BTC
#4MARA Holdings35,577 BTC
#5Strive27,462 BTC
#6Galaxy Digital21,084 BTC
#7Bullish19,990 BTC
#8SpaceX18,712 BTC
#9Hut 817,316 BTC
#10Coinbase Global17,311 BTC

View all BTC Companies →

Capital Structure

Amplification: —; Calculated by treasury-company.com
USD Assets: —

Seniority	Credit Instrument	Type	Notional	Units outstanding	Total Notional	Rate	Asset Rating	Sources
1	1.00% Convertible Senior Secured Notes due 2030	convertible note	$1,000.00	486,500	$486.5M	1%	7.63×BTC Rating	10-Q · 2026-08-11 8-K · 2025-12-12	Report

Asset Rating and Amplification are calculated by treasury-company.com from the curated Capital Structure. They are not the Company's numbers and not an agency credit rating.