What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

On Tuesday, Warren Buffett (Trades, Portfolio)'s Berkshire Hathaway Inc. ( BRK.A , Financial)( BRK.B , Financial) disclosed its equity portfolio for the fourth quarter of 2021, which ended on Dec. 31.
neutral