Warren Buffett vs Stanley Druckenmiller
Side-by-side 13F comparison as of 2026Q1. Buffett discloses $263.10B across 29 positions; Stanley Druckenmiller (Duquesne Family Office) discloses $2.94B across 65. They overlap on 0 holdings.
| Metric | Buffett | Stanley Druckenmiller |
|---|---|---|
| Disclosed portfolio | $263.10B | $2.94B |
| Positions | 29 | 65 |
| Top-5 concentration | 67% | 43% |
| Latest filing | 2026Q1 · May 15, 2026 | 2026Q1 · May 15, 2026 |
| Clone vs SPY | -3.1%/yr · 12.0y | +3.3%/yr · 12.0y |
Clone vs SPY: each manager's 13F replicated at reported weights with real disclosure lag, vs SPY total return — windows differ per manager. Methodology.
Where they diverge
Buffett's largest holding that Stanley Druckenmillerdoesn't own: AAPL at 22.0% of the book. Stanley Druckenmiller's largest holding Buffett doesn't own: NTRA at 20.9%.
From SEC EDGAR Form 13F-HR filings (2026Q1). Long US-listed equities only — cash, shorts, bonds, and non-US positions are not disclosed, and both managers' real books extend beyond what a 13F shows. Not investment advice.