Black Spade Acquisition II (BSIIU) said late Thursday its initial public offering underwriters partially exercised their overallotment option, buying an additional 300,000 units at the IPO price of $10 apiece.

With the additional $3 million in proceeds, the special purpose acquisition company's IPO has raised a total of $153 million.

The company said the underwriters have a remaining option to purchase up to 1.95 million units.