They were notoriously for buying $10.7b worth of IBM shares in 2011 and selling in 2018 for a loss north of 30% [0]. In retrospect it was an obvious mistake, but these investment decisions always are.

SNOW is unique in their portfolio because it is the only investment in tech. What comes to mind is:

-how and who made the investment decision (does Buffett knows how valuable Snowflake is for tech?);

- will they start investing in later-stage pre-ipo companies (Stone Payments is a Brazilian fintech that is akin to Snowflake in the timing and size of committment)?

[0] https://www.cnbc.com/2018/05/04/warren-buffett-says-berkshir...