Morgan Stanley, one of the largest investment banks in the world, bought 28,289 shares of the Grayscale Bitcoin Trust through its European fund.

According to the documents filed with the US Securities and Exchange Commission (SEC), as of April 30, Morgan Stanley's European fund, Europe Opportunity Fund, owned 28,289 GBTC shares worth $1.3 million.

The Europe Opportunity Fund includes European high-tech companies as well as other investment assets.

Morgan Stanley has completed several transactions on the crypto market this year. In January, the bank acquired a 10.9% stake in MicroStrategy, a business intelligence firm that actively invests in BTC.

In February, it was reported that the investment arm of Morgan Stanley is considering adding bitcoins to the list of hedging instruments. Morgan Stanley recently took another step into the crypto industry by investing $48 million in the Securitize Blockchain startup on June 21.

According to the latest report from June 28, Grayscale is the largest institutional cryptocurrency manager with $30 billion in assets under management. The company owns 654,600 BTC, which is equivalent to 3.1% of all bitcoins in circulation. For comparison, MicroStrategy owns 105,085 BTC, or approximately 0.5% of the total number of coins in circulation.