How does Berkshire get taxed on dividends received from its public market investments such as AAPL. Does 50% of dividends received get taxed at the 21% corporate tax rate?
Here, it says:
A US corporation generally may deduct 50% of dividends received from other US corporations in determining taxable income. The dividends received deduction (DRD) is increased from 50% to 65% if the recipient of the dividend distribution owns at least 20% but less than 80% of the distributing corporation.
https://taxsummaries.pwc.com/united-states/corporate/income-determination#:~:text=Dividend income,80% of the distributing corporation.
Warren is really fighting an uphill battle, with gigantic positions he can't move in and out of, and a hefty tax bill to fight.