Stanley Druckenmiller
Stanley Druckenmiller runs Duquesne Family Office. At the end of Q2 2026 the fund reported $4,354,220 of US stocks in its SEC 13F filing, led by NTRA (19.9%), TSM (6.5%), INSM (3.5%).
Biggest holdings (Q2 2026)
| Stock | Share of fund | Change this quarter |
|---|
| NTRA Natera Inc | 19.9% | |
| TSM Taiwan Semiconductor Manufac | 6.5% | |
| Stmicroelectronics N V | 5.3% | |
| INSM Insmed Inc | 3.5% | |
| YPF Ypf Sociedad Anonima | 3.3% | |
| AMZN Amazon Com Inc | 3% | Added (was 0.3%) |
| Bbb Foods Inc | 2.8% | |
| GOOGL Alphabet Inc | 2.8% | New position |
| EWZ Ishares Inc | 2.7% | |
| Seagate Technology Hldngs Pl | 2.7% | Added (was 0.7%) |
| FOXA Fox Corp | 2.6% | New position |
| UAL United Airls Hldgs Inc | 2.5% | Added (was 0.8%) |
| SE Sea Ltd | 2.4% | |
| CDW Cdw Corp | 2.4% | New position |
| Newamsterdam Pharma Company | 2.4% | |
Big investment managers must list their US stock holdings with the SEC every quarter, up to 45 days after it ends. A 13F shows long stock positions only (no short bets, and few options), and it is how things stood on the last day of the quarter, not today.
What changed last quarter
- Opened a position in Alphabet Inc (now 2.8% of the fund)
- Added to Amazon Com Inc (now 3% of the fund)
- Opened a position in Fox Corp (now 2.6% of the fund)
- Opened a position in Cdw Corp (now 2.4% of the fund)
- Trimmed Roku Inc (now 0.6% of the fund)
- Added to United Airls Hldgs Inc (now 2.5% of the fund)
- Added to Seagate Technology Hldngs Pl (now 2.7% of the fund)
- Trimmed Alcoa Corp (now 0.2% of the fund)
All insider buys · Legends · Executives
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