Their biggest backers include an unlikely group of insurance companies, mutual funds and other usually conservative bond investors. The software company turned itself into a bitcoin whale and now owns some $48 billion of the cryptocurrency.

The total value of all cryptocurrencies in circulation currently stands at $3.5 trillion, which is near a record high. Bitcoin ( BTC 1.17%) accounts for more than half of that value, thanks to its market capitalization of almost $2 trillion.

On the other hand, Coinbase is less affected by Bitcoin price fluctuations. As long as trading volumes remain high, whether through sell or buy transaction, it will continue make money from the trading fees. This article first appeared on GuruFocus.

Shares of MicroStrategy Inc. (MSTR) fell nearly 1% in pre-market trading on Tuesday after Bitcoin (BTC) prices tumbled from highs of $109,114.88 to as low as $100,103.96 on Monday. President Donald Trump was expected to mention Bitcoin during his inauguration speech on Monday.

MicroStrategy continues its Bitcoin acquisition strategy with a new $1.1 billion purchase of 11,000 BTC, as announced by Michael Saylor.

That all changed in 2020, when MicroStrategy's co-founder and then-CEO Michael Saylor directed it to buy 21,454 Bitcoin s (CRYPTO: BTC) for $250 million. It then accumulated more Bitcoin each year, and it held 450,000 Bitcoins as of Jan. 13.

If you want exposure to Bitcoin without having to spend more than $100,000 for one coin, there are other ways to invest. You can buy fractions of a Bitcoin on crypto exchanges or brokerage platforms, invest in a Bitcoin ETF or look to crypto-related stocks and ETFs.

These are some of the top MSTR stock ETFs that give investors exposure to Michael Saylor's company. These funds also have other crypto firms.

The MicroStrategy CEO is buying as much of the cryptocurrency as he can. Some big-name investors are going along for the ride.

On Jan. 21, MicroStrategy ( MSTR, Financial) will vote to boost its authorized Class A common share count from 330 million to 10.3 billion. The move is to raise $2 billion of funds from its preferred stock offering in order to secure money for its Bitcoin (BTC) acquisition strategy.

UTXO Management, in partnership with Sora Ventures and others, acquires a majority stake in Hong Kong-listed HK Asia Holdings Limited, unveiling plans to rebrand as Moon Inc. and lead strategic investments in Bitcoin,