Family Office · CIK 0001536411

Stanley Druckenmiller

Duquesne

Stanley Druckenmiller runs Duquesne, a family office overseeing $4.22B in disclosed equity holdings (SEC CIK 0001536411). The latest portfolio (2025Q4) discloses 58 positions across 9 sectors, with the largest positions in NTRA, XLF and INSM. On a mark-to-market basis the tracked portfolio has returned 57.4% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Stanley's filings View holdings

Portfolio

$4.22B

Positions

Quarter

2025Q4

Filings tracked

1Y+57.4%3Y+351.1%5Y+33.7%Full performance →

Quarter

2025Q4 2025Q3 2025Q2 2025Q1 2024Q4 2024Q3 2024Q2 2024Q1 2023Q4 2023Q3 2023Q2 2023Q1

Holdings

Sorted by value · 2025Q1

Sector49 positions

NTRANATERA INC

Healthcare·Diagnostics & Research

15.72%

of portfolio

Number of shares

3,402,330 sh

Holdings current value

$481.12M

Avg closing price

$98.78

+98.5%

Last action

Trimmed 17.1%

2025Q4

Current $196.11

TEVATEVA PHARMACEUTICAL INDS LTDADR

Healthcare·Drug Manufacturers - Specialty & Generic

7.47%

of portfolio

Number of shares

14,879,750 sh

Holdings current value

$228.70M

Avg closing price

$18.91

+65.3%

Last action

Trimmed 41.9%

2025Q4

Current $31.26

CPNGCOUPANG INC

Consumer Cyclical·Internet Retail

6.67%

of portfolio

Number of shares

9,302,634 sh

Holdings current value

$204.01M

Avg closing price

$30.64

-29.9%

Last action

Added 29.9%

2025Q4

Current $21.49

WWDWOODWARD INC

Industrials·Aerospace & Defense

6.55%

of portfolio

Number of shares

1,097,750 sh

Holdings current value

$200.33M

Avg closing price

$151.34

Last action

Trimmed 3.7%

2025Q4

Current —

PMPHILIP MORRIS INTL INC

Consumer Defensive·Tobacco

5.73%

of portfolio

Number of shares

1,105,268 sh

Holdings current value

$175.44M

Avg closing price

$106.71

+46.4%

Last action

New holding

2025Q4

Current $156.24

COHRCOHERENT CORP

Technology·Scientific & Technical Instruments

4.72%

of portfolio

Number of shares

2,222,070 sh

Holdings current value

$144.30M

Avg closing price

$64.13

+411.5%

Last action

Exited

2025Q3

Current $328.00

MELIMERCADOLIBRE INC

Consumer Cyclical·Internet Retail

3.43%

of portfolio

Number of shares

53,725 sh

Holdings current value

$104.81M

Avg closing price

$1327

+37.3%

Last action

Trimmed 17.2%

2025Q4

Current $1822

INSMINSMED INC

Healthcare·Biotechnology

3.41%

of portfolio

Number of shares

1,369,050 sh

Holdings current value

$104.44M

Avg closing price

$87.81

Last action

Trimmed 40.8%

2025Q4

Current —

TSMTAIWAN SEMICONDUCTOR MFG LTDADR

Technology·Semiconductors

3.25%

of portfolio

Number of shares

598,780 sh

Holdings current value

$99.40M

Avg closing price

$175.46

+107.1%

Last action

Trimmed 27.0%

2025Q4

Current $363.35

DOCUDOCUSIGN INC

Technology·Software - Application

2.86%

of portfolio

Number of shares

1,074,655 sh

Holdings current value

$87.48M

Avg closing price

$78.46

-41.3%

Last action

Trimmed 38.3%

2025Q4

Current $46.06

G3643J108FLUTTER ENTMT PLC

2.73%

of portfolio

Number of shares

377,475 sh

Holdings current value

$83.57M

Avg closing price

$224.06

Last action

Trimmed 43.5%

2025Q3

Current —

LLYLILLY ELI & CO

Healthcare·Drug Manufacturers - General

2.56%

of portfolio

Number of shares

94,830 sh

Holdings current value

$78.32M

Avg closing price

$524.25

+72.4%

Last action

Exited

2025Q3

Current $903.99

YPFYPF SOCIEDAD ANONIMAADR

Energy·Oil & Gas Integrated

2.38%

of portfolio

Number of shares

2,075,390 sh

Holdings current value

$72.72M

Avg closing price

$36.22

Last action

Added 31.1%

2025Q4

Current —

VRNAVERONA PHARMA PLCADR

2.08%

of portfolio

Number of shares

1,002,080 sh

Holdings current value

$63.62M

Avg closing price

$36.29

Last action

Exited

2025Q4

Current —

BCSBARCLAYS PLCADR

Financial Services·Banks - Diversified

1.92%

of portfolio

Number of shares

3,817,305 sh

Holdings current value

$58.63M

Avg closing price

$11.94

Last action

Exited

2025Q3

Current —

WABWABTEC

Industrials·Railroads

1.78%

of portfolio

Number of shares

301,095 sh

Holdings current value

$54.60M

Avg closing price

$181.20

+41.0%

Last action

Trimmed 0.8%

2025Q4

Current $255.50

CCCCCC INTELLIGENT SOLUTIONS HL

Technology·Software - Application

1.65%

of portfolio

Number of shares

5,595,039 sh

Holdings current value

$50.52M

Avg closing price

$9.10

-38.6%

Last action

Exited

2025Q3

Current $5.59

KMIKINDER MORGAN INC DEL

Energy·Oil & Gas Midstream

1.54%

of portfolio

Number of shares

1,654,115 sh

Holdings current value

$47.19M

Avg closing price

$18.99

+67.4%

Last action

Exited

2025Q3

Current $31.79

EQTEQT CORP

Energy·Oil & Gas E&P

1.50%

of portfolio

Number of shares

859,345 sh

Holdings current value

$45.91M

Avg closing price

$54.77

+6.6%

Last action

Exited

2025Q4

Current $58.39

CZRCAESARS ENTERTAINMENT INC NE

Consumer Cyclical·Resorts & Casinos

1.27%

of portfolio

Number of shares

1,548,420 sh

Holdings current value

$38.71M

Avg closing price

$25.00

Last action

Exited

2025Q3

Current —

FCXFREEPORT-MCMORAN INC

Basic Materials·Copper

1.26%

of portfolio

Number of shares

1,018,105 sh

Holdings current value

$38.55M

Avg closing price

$37.53

+82.0%

Last action

Exited

2025Q3

Current $68.28

DAKTDAKTRONICS INC

Technology·Electronic Components

1.22%

of portfolio

Number of shares

3,067,625 sh

Holdings current value

$37.36M

Avg closing price

$11.04

Last action

Trimmed 16.0%

2025Q4

Current —

ARGTGLOBAL X FDSETF

1.17%

of portfolio

Number of shares

443,800 sh

Holdings current value

$35.85M

Avg closing price

$68.31

Last action

Exited

2025Q4

Current —

TWLOTWILIO INC

Technology·Software - Infrastructure

1.16%

of portfolio

Number of shares

362,155 sh

Holdings current value

$35.46M

Avg closing price

$99.65

+37.4%

Last action

Exited

2025Q4

Current $136.96

COFCAPITAL ONE FINL CORP

Financial Services·Credit Services

1.16%

of portfolio

Number of shares

197,670 sh

Holdings current value

$35.44M

Avg closing price

$162.61

+23.4%

Last action

Exited

2025Q4

Current $200.71

ROKUROKU INC

Communication Services·Entertainment

1.14%

of portfolio

Number of shares

493,600 sh

Holdings current value

$34.77M

Avg closing price

$80.06

+39.7%

Last action

Trimmed 32.7%

2025Q4

Current $111.87

BMABANCO MACRO SAADR

Financial Services·Banks - Regional

1.07%

of portfolio

Number of shares

431,815 sh

Holdings current value

$32.61M

Avg closing price

$60.29

Last action

Exited

2025Q3

Current —

85205L107SPRINGWORKS THERAPEUTICS INC

0.89%

of portfolio

Number of shares

615,929 sh

Holdings current value

$27.18M

Avg closing price

$37.39

Last action

Exited

2025Q2

Current —

AMZNAMAZON COM INC

Consumer Cyclical·Internet Retail

0.85%

of portfolio

Number of shares

136,765 sh

Holdings current value

$26.02M

Avg closing price

$226.61

+10.2%

Last action

Added

2025Q4

Current $249.70

UALUNITED AIRLS HLDGS INC

Industrials·Airlines

0.83%

of portfolio

Number of shares

368,685 sh

Holdings current value

$25.46M

Avg closing price

$91.16

Last action

New holding

2025Q4

Current —

ASNDASCENDIS PHARMA A/SADR

Healthcare·Biotechnology

0.81%

of portfolio

Number of shares

158,720 sh

Holdings current value

$24.74M

Avg closing price

$149.31

Last action

Exited

2025Q2

Current —

PCTPURECYCLE TECHNOLOGIES INC

Industrials·Pollution & Treatment Controls

0.76%

of portfolio

Number of shares

3,364,842 sh

Holdings current value

$23.29M

Avg closing price

$8.51

Last action

Added 20.6%

2025Q4

Current —

GGALGRUPO FINANCIERO GALICIA S.AADR

Financial Services·Banks - Regional

0.68%

of portfolio

Number of shares

381,481 sh

Holdings current value

$20.78M

Avg closing price

$43.11

Last action

Exited

2025Q3

Current —

G7997R103SEAGATE TECHNOLOGY HLDNGS PL

0.61%

of portfolio

Number of shares

219,477 sh

Holdings current value

$18.64M

Avg closing price

$81.71

Last action

Exited

2025Q4

Current —

BNBROOKFIELD CORP

Financial Services·Asset Management

0.54%

of portfolio

Number of shares

315,925 sh

Holdings current value

$16.55M

Avg closing price

$57.45

-20.0%

Last action

Exited

2025Q2

Current $45.95

N62509109NEWAMSTERDAM PHARMA COMPANY

0.54%

of portfolio

Number of shares

800,360 sh

Holdings current value

$16.38M

Avg closing price

$28.37

Last action

Added

2025Q4

Current —

TECKTECK RESOURCES LTD

Basic Materials·Other Industrial Metals & Mining

0.51%

of portfolio

Number of shares

431,545 sh

Holdings current value

$15.72M

Avg closing price

$37.58

Last action

Exited

2025Q2

Current —

BBIOBRIDGEBIO PHARMA INC

Healthcare·Biotechnology

0.49%

of portfolio

Number of shares

438,050 sh

Holdings current value

$15.14M

Avg closing price

$34.57

+124.2%

Last action

Exited

2025Q2

Current $77.51

DALDELTA AIR LINES INC DEL

Industrials·Airlines

0.49%

of portfolio

Number of shares

345,135 sh

Holdings current value

$15.05M

Avg closing price

$52.69

+32.7%

Last action

New holding

2025Q4

Current $69.89

Y2573F102FLEX LTD

0.38%

of portfolio

Number of shares

348,900 sh

Holdings current value

$11.54M

Avg closing price

$28.28

Last action

Exited

2025Q2

Current —

EXECHESAPEAKE ENERGY CORP

Energy·Oil & Gas E&P

0.36%

of portfolio

Number of shares

97,700 sh

Holdings current value

$10.88M

Avg closing price

$111.32

-12.5%

Last action

Exited

2025Q2

Current $97.36

APPAPPLOVIN CORP

Communication Services·Advertising Agencies

0.35%

of portfolio

Number of shares

40,200 sh

Holdings current value

$10.65M

Avg closing price

$311.83

+49.5%

Last action

Exited

2025Q3

Current $466.09

ARANTERO RESOURCES CORP

Energy·Oil & Gas E&P

0.34%

of portfolio

Number of shares

258,400 sh

Holdings current value

$10.45M

Avg closing price

$30.59

+22.5%

Last action

Exited

2025Q2

Current $37.49

PIIMPINJ INC

Technology·Semiconductors

0.32%

of portfolio

Number of shares

108,475 sh

Holdings current value

$9.84M

Avg closing price

$90.70

+21.8%

Last action

Exited

2025Q2

Current $110.44

TSLATESLA INC

Consumer Cyclical·Auto Manufacturers

0.16%

of portfolio

Number of shares

18,838 sh

Holdings current value

$4.88M

Avg closing price

$403.85

-3.7%

Last action

Exited

2025Q2

Current $388.90

RAREULTRAGENYX PHARMACEUTICAL IN

Healthcare·Biotechnology

0.10%

of portfolio

Number of shares

85,445 sh

Holdings current value

$3.09M

Avg closing price

$55.54

Last action

Exited

2025Q2

Current —

AALAMERICAN AIRLS GROUP INC

Industrials·Airlines

0.05%

of portfolio

Number of shares

133,728 sh

Holdings current value

$1.41M

Avg closing price

$18.80

-34.8%

Last action

New holding

2025Q4

Current $12.27

IVVDADAGIO THERAPEUTICS INC

Healthcare·Biotechnology

0.01%

of portfolio

Number of shares

571,425 sh

Holdings current value

$346.0K

Avg closing price

$1.10

Last action

Exited

2025Q2

Current —

G65163100JOBY AVIATION INC

0.01%

of portfolio

Number of shares

31,489 sh

Holdings current value

$190.0K

Avg closing price

$6.18

Last action

Exited

2025Q3

Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.

Healthcare8 pos$935.9M34.3%
Technology7 pos$464.4M17.0%
Consumer Cyclical5 pos$378.4M13.9%
Industrials6 pos$320.1M11.7%
Energy5 pos$187.2M6.9%
Consumer Defensive1 pos$175.4M6.4%
Financial Services5 pos$164.0M6.0%
Basic Materials2 pos$54.3M2.0%
Communication Services2 pos$45.4M1.7%

(8.6% unclassified, excluded from %)