PetroChina did it in 2007: https://www.marketwatch.com/story/petrochina-soars-to-1-tril...

*edited to include link

including state owned companies, which is really just government assets themselves, isn't really relevant.

Apple is the first public company to reach a trillion. There are arguments that Aramco is worth vastly more, but it's not publicly traded, so it's hard to put a number on it.

I believe Saudi Aramco and PetroChina have passed the $1T mark.

Historically, adjusting for inflation there are also some really big ones: https://www.fool.com/investing/general/2012/08/22/a-history-...

Norway’s sovereign wealth fund is (or was?) worth over $1 trillion

Can I buy shares in Norway’s sovereign wealth fund as an American? If not, it’s not really a meaningful comparison.