Significant funds have been raised through initial public offerings. A company called Saudi Aramco holds a record, having generated $25.6 billion. However, this record was surpassed by SpaceX, which brought in a substantial amount of money.

The amount raised by SpaceX was $75 billion, with the possibility of additional funds through an overallotment option. This option was exercised, resulting in a higher total.

Further information about these and other large initial public offerings can be found through the source, including details about a company called Anthropic and its potential IPO.