SEC 13F Holdings Change Quarterly Report2026. 05. 17. 22:55:21Q1 2026 13F Digest — The Alphabet trade that defined the quarterBerkshire tripled its Alphabet stake to $15.6B while Pershing Square exited — the defining divergence trade of Q1 2026. Full cross-fund analysis of whale moves, consensus shifts, and sector rotations from the latest 13F-HR filings.