Warren Buffett's Berkshire Hathaway sells $158 million of HP stock in 3 days, taking its stake below 12%

• Warren Buffett's Berkshire Hathaway cashed out $158 million of HP stock in three days this week.
• The investor's company still owns 11.7% of the PC maker, a position worth around $3.3 billion.
• HP stock hit a record high last year after Berkshire revealed its stake, but is down 32% since then.

Warren Buffett's Berkshire Hathaway sold about $158 million worth of HP stock in three days this week, a regulatory filing revealed on Wednesday.