[soperj]

Considering that they have slightly less than a billion shares as of May 2022, I don't think that number is correct.

[lotsofpulp]

https://www.cnbc.com/berkshire-hathaway-portfolio/

~915.2M AAPL shares as of Sep 30, 2022, so ~$140B worth (20% of BRK’s market cap).

For comparison, BRK market cap is ~$687B and AAPL market cap is $2.4T.

https://companiesmarketcap.com/