Glossary / Markets & investing
Bitcoin treasury company
- Definition
- A bitcoin treasury company is a listed business whose main activity is borrowing or issuing shares to buy bitcoin, so its stock is a leveraged wrapper around the coin.
The model began on August 11, 2020, when MicroStrategy, now renamed Strategy, put 250 million dollars of corporate cash into 21,454 bitcoin. It works while the shares trade above the value of the coins per share, because every new share issued then buys more bitcoin than it dilutes. When that premium disappears, the machine runs backwards, and several of these companies have started selling coins to pay their bills.
How it works
The engine of a bitcoin treasury company is the premium on its shares, and everything else is plumbing.
The market prices these companies against the value of the bitcoin they hold, a ratio usually written as mNAV. At 2x, a company can sell 100 million dollars of new stock, buy 100 million dollars of bitcoin, and leave existing shareholders owning more bitcoin per share than before. That is a genuine, if circular, mechanism: the premium finances the purchases, and the purchases justify the premium.
Financing comes in three flavours, in rising order of danger. At-the-market share sales dilute but do not oblige anyone. Convertible notes are cheap while the stock is rising and become debt when it is not. Preferred shares carry dividends that must be paid in cash, and cash is the one thing a company holding only bitcoin does not generate.
Strategy's ratio tells the story: roughly 2.5x in December 2024, falling to about 1.16x by spring 2026. Below 1x the logic inverts, because issuing shares to buy coins then destroys bitcoin per share. Strategy has since sold 3,588 bitcoin for about 216 million dollars to cover a preferred dividend, its first large sale, and disposed of a further 1,690 coins between August 3 and August 9, 2026 at an average of 64,262 dollars, leaving 840,447 bitcoin on its balance sheet.
Where you see it
Bitcoin treasury companies turn up as the "easy" way to get bitcoin exposure inside an ordinary brokerage account, and that convenience is priced.
For readers in countries where exchanges are restricted or banking rails are unreliable, a listed proxy can be the only route a local broker offers. That is a real use case, and it comes with three costs: the premium or discount to the underlying coins, the company's debt, and the possibility of dilution at a moment you do not choose.
The sector also copies quickly. Metaplanet in Japan started buying in April 2024 and has accumulated more than 40,000 coins using cheap yen borrowing; dozens of smaller imitators followed with far weaker balance sheets. Some of the earliest holders were not treasury companies at all: Tesla bought 1.5 billion dollars of bitcoin in February 2021 and sold about three quarters of it in July 2022, which is exactly the behaviour a permanent holder is not supposed to exhibit.
Read the reporting as a shareholder would. Coins per share, debt maturities, dividend obligations and the mNAV ratio matter more than the headline number of bitcoin held.
A bitcoin treasury company vs a spot ETF
Both give you bitcoin exposure through a brokerage, but only one is designed to track the price. An exchange-traded fund creates and redeems shares against actual coins, which keeps its price close to net asset value and gives it no debt, no dividends and no discretion. A treasury company can trade at double the value of its holdings or well below it, borrows against the position, pays financing costs out of a business that may barely operate, and is run by executives who decide when to buy and sell. In a rising market the company has usually outperformed the fund. In a falling one it carries risks the fund structurally cannot.