Bill Ackman Cuts Alphabet Stake As Warren Buffett's Berkshire Hathaway Builds Its Own
1. Pershing Square reduced its stake in Alphabet Class A by 10%. 2. Warren Buffett's Berkshire Hathaway initiated a new stake in Alphabet Class A. 3. Pershing Square made no new investments in Q3. 4. Bill Ackman holds major stakes in Uber and Brookfield. 5. Acknowledgment of Buffett's strategy may influence investor sentiment.