How do I enter the symbol for Berkshire Hathaway Class B shares?

There are a variety of symbol conventions for denoting Berkshire Hathaway Class B shares (CUSIP 084670207).  On the IBKR trading platforms, this security is designated by entering BRK, then a space and then B (BRK B).  This compares to Bloomberg which uses the convention BRK/B and Yahoo Finance which uses BRK-B.

Also click here for information regarding Berkshire Hathaway Class B odd lots.

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