The warrants expire in October and give BRK the right to purchase 134.8 million shares at 22.25 per share.
Our GS warrants give us the right to purchase 43.5 million shares at 115 per share. " Berkshire acquired 10-year warrants for 700 million BofA shares when Buffett offered the crisis-ridden bank a $5 billion lifejacket last August. The options have a strike price of $7.14 on shares that were trading at $6.99 before the deal was struck." Forbes
I assume the warrants don't add to earnings until they're sold but they do add to our book value. So far this year I'm estimating an increase of about $800 million.
Total appreciation of out equity holdings and warrants is currently about $5.6 billion pre-tax.