Formerly a business software firm but now calling itself a bitcoin development company, MicroStrategy (MSTR) has added 18,300 bitcoins (BTC) to its multibillion-dollar holdings.

The new purchases was made at an average price of $60,408 per token, Executive Chairman Michael Saylor said in an X post on Friday morning, boosting the company's holdings to 244,800 BTC. MicroStrategy's cost basis for those holdings is $9.45 billion, or an average price of $38,585 per bitcoin. At the current price just under $58,000 the stack is now worth about $14 billion.

Saylor further said the company has achieved a BTC yield of 4.4% so far this quarter on its holdings and 17% year-to-date. BTC yield is a metric developed by MicroStrategy to try and describe the percentage change over a given period of the ratio between the company’s bitcoin holdings and its assumed diluted shares outstanding.

MicroStrategy started purchasing bitcoin in 2020 and has added to its holdings since. BitcoinTreasuries data shows that it is the biggest holder of the asset among all publicly-listed companies in the world.

MSTR shares are flat premarket and have risen 91% year-to-date.