How We Invest

13F FILER • STANLEY DRUCKENMILLER

Duquesne Family Office

Stanley Druckenmiller — Duquesne Family Office LLC

No writing by this manager has been read and indexed yet, so this page carries the filings only. Holdings come straight from the Form 13F-HR on EDGAR.

95

Positions

$5.2B

Reported Value

45.8%

In Top 10

—

Claims Indexed

Largest reported positions

DUQUESNE FAMILY OFFICE LLC • CIK 0001536411 • 2026-06-30 • FILED 2026-08-14

WHAT CHANGED THIS QUARTER

In its Q2 2026 13F, filed Aug 14, 2026, Duquesne Family Office reported 95 positions worth $4.4B in US-listed stock. The largest stock position is Natera Inc at 16.6% of the reported book, and the ten largest lines of any type make up 45.8% of it.

It opened 48 new positions, the largest stock positions being Alphabet Inc ($120.2M), Fox Corp ($115.0M) and Cdw Corp ($104.6M), and exited 23, the largest stock exits being Broadcom Inc ($60.6M last quarter), Option Care Health Inc ($50.3M last quarter) and Figure Technology Solutio ($39.1M last quarter).

Among positions it already held, the biggest increases by share count were Amazon Com Inc (+1083%), United Airls Hldgs Inc (+203%) and Seagate Technology Hldngs Pl (+141%), and the biggest cuts were Woodward Inc (−68%), Global X Fds (−15%) and Sandisk Corp (−8%).

Largest reported positions, quarter ended 2026-06-30
IssuerValueWeightShares QoQ
Natera Inc$864.9M16.6%+4%
Taiwan Semiconductor Manufac$281.6M5.4%+19%
Stmicroelectronics N V$232.4M4.5%+19%
Invesco Exchange Traded Fd T (Call)$174.7M3.4%—
Insmed Inc$151.9M2.9%+23%
Ishares Inc (Call)$145.9M2.8%—
Insmed Inc (Call)$143.9M2.8%New
Ypf Sociedad Anonima$142.7M2.7%-3%
Amazon Com Inc$129.1M2.5%+1083%
Bbb Foods Inc$120.9M2.3%-7%
Alphabet Inc$120.2M2.3%New
Ishares Inc$118.5M2.3%—
Seagate Technology Hldngs Pl$117.7M2.3%+141%
Fox Corp$115.0M2.2%New
Amazon Com Inc (Call)$109.5M2.1%+130%
United Airls Hldgs Inc$108.1M2.1%+203%
Sea Ltd$105.4M2.0%—
Cdw Corp$104.6M2.0%New
Newamsterdam Pharma Company$104.0M2.0%—
Ishares Tr (Call)$99.1M1.9%+318%

20 of 95 positions. 16.4% of reported value is options, where the figure is the notional value of the underlying rather than money spent. A 13F covers long US-listed positions at a quarter end only — no shorts, leverage, cash, ordinary bonds or private holdings — and is 45 days old on publication.

NEW POSITIONS

  • Alphabet Inc$120.2M · 2.3%
  • Fox Corp$115.0M · 2.2%
  • Cdw Corp$104.6M · 2.0%
  • Bitdeer Technologies Group$64.7M · 1.2%
  • Delta Air Lines Inc$56.5M · 1.1%

EXITS

  • Broadcom Inc$60.6M last quarter
  • Option Care Health Inc$50.3M last quarter
  • Figure Technology Solutio$39.1M last quarter
  • Restaurant Brands Intl Inc$33.6M last quarter
  • Lattice Semiconductor Corp$30.0M last quarter

QUESTIONS PEOPLE ASK

What are Duquesne Family Office's largest holdings?

OPEN
As of Jun 30, 2026, the three largest stock positions are Natera Inc (16.6%), Taiwan Semiconductor Manufac (5.4%) and Stmicroelectronics N V (4.5%), together 26.5% of the reported book.

How big is Duquesne Family Office's 13F portfolio?

OPEN
The Q2 2026 13F, filed Aug 14, 2026, reports 95 positions worth $5.2B. The ten largest make up 45.8% of it. 16.4% of that value is options, reported at the notional value of the underlying rather than money spent.

What did Duquesne Family Office buy and sell in Q2 2026?

OPEN
It opened 48 new positions, the largest stock positions being Alphabet Inc ($120.2M), Fox Corp ($115.0M) and Cdw Corp ($104.6M), and exited 23, the largest stock exits being Broadcom Inc ($60.6M last quarter), Option Care Health Inc ($50.3M last quarter) and Figure Technology Solutio ($39.1M last quarter). Among positions it already held, the biggest increases by share count were Amazon Com Inc (+1083%), United Airls Hldgs Inc (+203%) and Seagate Technology Hldngs Pl (+141%), and the biggest cuts were Woodward Inc (−68%), Global X Fds (−15%) and Sandisk Corp (−8%).

When is Duquesne Family Office's next 13F due?

OPEN
The Q3 2026 13F is due Nov 16, 2026. Forty-five days after the quarter ends is November 14, 2026 (Saturday), so the deadline moves to the next business day. Stanley Druckenmiller's filing usually lands close to the deadline.

Filers with overlapping books