Family Office · CIK 0001536411

Stanley Druckenmiller

Duquesne

Stanley Druckenmiller runs Duquesne, a family office overseeing $4.5M in disclosed equity holdings (SEC CIK 0001536411). The latest 13F filing (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 210.5% since 2016Q1. OpenStocks tracks 40 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.

Track Stanley's filings View holdings

Portfolio

$4.49M

Positions

Quarter

2025Q4

Filings tracked

3Y+118.8%5Y+33.7%Full performance →

Quarter

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

Holdings

Sorted by value · 2025Q3

Sector62 positions

NTRANATERA INC

Healthcare·Diagnostics & Research

12.74%

of portfolio

Number of shares

3,214,532 sh

Holdings current value

$517.4K

Avg closing price

$2.57

+7539.8%

Last action

Trimmed 17.9%

2025Q4

Current $196.11

INSMINSMED INC

Healthcare·Biotechnology

8.59%

of portfolio

Number of shares

2,423,435 sh

Holdings current value

$349.0K

Avg closing price

$0.31

Last action

Trimmed 28.0%

2025Q4

Current —

TEVATEVA PHARMACEUTICAL INDS LTDADR

Healthcare·Drug Manufacturers - Specialty & Generic

8.25%

of portfolio

Number of shares

16,593,935 sh

Holdings current value

$335.2K

Avg closing price

$0.02

+165176.1%

Last action

Trimmed 39.2%

2025Q4

Current $31.26

TSMTAIWAN SEMICONDUCTOR MFG LTDADR

Technology·Semiconductors

5.26%

of portfolio

Number of shares

765,085 sh

Holdings current value

$213.7K

Avg closing price

$0.18

+206980.9%

Last action

Trimmed 22.5%

2025Q4

Current $363.35

WWDWOODWARD INC

Industrials·Aerospace & Defense

3.94%

of portfolio

Number of shares

633,015 sh

Holdings current value

$160.0K

Avg closing price

$0.15

Last action

Trimmed 6.2%

2025Q4

Current —

CPNGCOUPANG INC

Consumer Cyclical·Internet Retail

3.67%

of portfolio

Number of shares

4,633,124 sh

Holdings current value

$149.2K

Avg closing price

$18.21

+18.0%

Last action

Added 85.8%

2025Q4

Current $21.49

MELIMERCADOLIBRE INC

Consumer Cyclical·Internet Retail

3.36%

of portfolio

Number of shares

58,344 sh

Holdings current value

$136.3K

Avg closing price

$570.69

+219.3%

Last action

Trimmed 16.1%

2025Q4

Current $1822

DOCUDOCUSIGN INC

Technology·Software - Application

2.99%

of portfolio

Number of shares

1,685,950 sh

Holdings current value

$121.5K

Avg closing price

$0.62

+7364.2%

Last action

Trimmed 28.3%

2025Q4

Current $46.06

VRNAVERONA PHARMA PLCADR

2.63%

of portfolio

Number of shares

1,002,080 sh

Holdings current value

$106.9K

Avg closing price

$0.04

Last action

Exited

2025Q4

Current —

EEMISHARES TRETF

2.50%

of portfolio

Number of shares

1,900,000 sh

Holdings current value

$101.5K

Avg closing price

$42.73

Last action

Trimmed 34.4%

2025Q4

Current —

AMZNAMAZON COM INC

Consumer Cyclical·Internet Retail

2.36%

of portfolio

Number of shares

437,070 sh

Holdings current value

$96.0K

Avg closing price

$11.50

+2071.7%

Last action

Added 220.9%

2025Q4

Current $249.70

ROKUROKU INC

Communication Services·Entertainment

2.03%

of portfolio

Number of shares

822,435 sh

Holdings current value

$82.3K

Avg closing price

$0.08

+139627.2%

Last action

Trimmed 22.5%

2025Q4

Current $111.87

FIGRFIGURE TECHNOLOGY SOLUTIO

Financial Services·Capital Markets

1.90%

of portfolio

Number of shares

2,116,825 sh

Holdings current value

$77.0K

Avg closing price

$0.04

Last action

Trimmed 21.4%

2025Q4

Current —

QSRRESTAURANT BRANDS INTL INC

Consumer Cyclical·Restaurants

1.79%

of portfolio

Number of shares

1,131,365 sh

Holdings current value

$72.6K

Avg closing price

$0.07

+117959.8%

Last action

Added 7.4%

2025Q4

Current $77.61

STUBSTUBHUB HLDGS INC

Communication Services·Internet Content & Information

1.77%

of portfolio

Number of shares

4,259,516 sh

Holdings current value

$71.7K

Avg closing price

$0.02

Last action

Trimmed 31.4%

2025Q4

Current —

WABWABTEC

Industrials·Railroads

1.49%

of portfolio

Number of shares

302,410 sh

Holdings current value

$60.6K

Avg closing price

$0.18

+140906.7%

Last action

Trimmed 0.8%

2025Q4

Current $255.50

METAMETA PLATFORMS INC

Communication Services·Internet Content & Information

1.38%

of portfolio

Number of shares

76,100 sh

Holdings current value

$55.9K

Avg closing price

$86.86

+679.2%

Last action

Exited

2025Q4

Current $676.87

N62509109NEWAMSTERDAM PHARMA COMPANY

1.35%

of portfolio

Number of shares

1,923,700 sh

Holdings current value

$54.7K

Avg closing price

$0.03

Last action

Added 147.5%

2025Q4

Current —

CRSCARPENTER TECHNOLOGY CORP

Industrials·Metal Fabrication

1.33%

of portfolio

Number of shares

220,035 sh

Holdings current value

$54.0K

Avg closing price

$0.26

+161761.6%

Last action

Exited

2025Q4

Current $426.16

CCITIGROUP INC

Financial Services·Banks - Diversified

1.29%

of portfolio

Number of shares

514,850 sh

Holdings current value

$52.3K

Avg closing price

$6.78

+1807.9%

Last action

Exited

2025Q4

Current $129.34

TWLOTWILIO INC

Technology·Software - Infrastructure

1.26%

of portfolio

Number of shares

512,800 sh

Holdings current value

$51.3K

Avg closing price

$3.32

+4025.2%

Last action

Exited

2025Q4

Current $136.96

BACBK OF AMERICA CORP

Financial Services·Banks - Diversified

1.26%

of portfolio

Number of shares

989,250 sh

Holdings current value

$51.0K

Avg closing price

$12.20

+338.6%

Last action

Exited

2025Q4

Current $53.51

SESEA LTDADR

Consumer Cyclical·Internet Retail

1.21%

of portfolio

Number of shares

274,200 sh

Holdings current value

$49.0K

Avg closing price

$0.48

+18539.3%

Last action

Added

2025Q4

Current $90.40

EQTEQT CORP

Energy·Oil & Gas E&P

1.20%

of portfolio

Number of shares

894,950 sh

Holdings current value

$48.7K

Avg closing price

$5.02

+1064.0%

Last action

Exited

2025Q4

Current $58.39

GEVGE VERNOVA LLC

Industrials·Specialty Industrial Machinery

1.17%

of portfolio

Number of shares

77,320 sh

Holdings current value

$47.5K

Avg closing price

$0.28

+345876.4%

Last action

Exited

2025Q4

Current $978.32

G25508105CRH PLC

1.16%

of portfolio

Number of shares

393,820 sh

Holdings current value

$47.2K

Avg closing price

$0.11

Last action

Added 25.9%

2025Q4

Current —

VSTVISTRA CORP

Utilities·Utilities - Independent Power Producers

1.13%

of portfolio

Number of shares

233,985 sh

Holdings current value

$45.8K

Avg closing price

$0.04

+443408.6%

Last action

Exited

2025Q4

Current $165.53

UUNITY SOFTWARE INC

Technology·Software - Application

0.87%

of portfolio

Number of shares

882,500 sh

Holdings current value

$35.3K

Avg closing price

$0.02

+107048.8%

Last action

Trimmed 34.9%

2025Q4

Current $25.93

LENLENNAR CORP

Consumer Cyclical·Residential Construction

0.87%

of portfolio

Number of shares

279,424 sh

Holdings current value

$35.2K

Avg closing price

$25.32

Last action

Exited

2025Q4

Current —

DHID R HORTON INC

Consumer Cyclical·Residential Construction

0.86%

of portfolio

Number of shares

205,150 sh

Holdings current value

$34.8K

Avg closing price

$28.53

+402.5%

Last action

Exited

2025Q4

Current $143.35

CLFCLEVELAND-CLIFFS INC NEW

Basic Materials·Steel

0.82%

of portfolio

Number of shares

2,715,035 sh

Holdings current value

$33.1K

Avg closing price

$0.01

+79573.2%

Last action

Trimmed 26.3%

2025Q4

Current $9.72

G0896C103BBB FOODS INC

0.79%

of portfolio

Number of shares

1,183,125 sh

Holdings current value

$31.9K

Avg closing price

$0.03

Last action

Added

2025Q4

Current —

PCTPURECYCLE TECHNOLOGIES INC

Industrials·Pollution & Treatment Controls

0.75%

of portfolio

Number of shares

2,303,084 sh

Holdings current value

$30.3K

Avg closing price

$0.01

Last action

Added 33.3%

2025Q4

Current —

FWONKLIBERTY MEDIA CORP DELTRK

Communication Services·Entertainment

0.74%

of portfolio

Number of shares

288,400 sh

Holdings current value

$30.1K

Avg closing price

$0.10

+86009.3%

Last action

Exited

2025Q4

Current $89.94

DAKTDAKTRONICS INC

Technology·Electronic Components

0.74%

of portfolio

Number of shares

1,436,936 sh

Holdings current value

$30.1K

Avg closing price

$0.01

Last action

Trimmed 28.9%

2025Q4

Current —

DKSDICKS SPORTING GOODS INC

Consumer Cyclical·Specialty Retail

0.72%

of portfolio

Number of shares

132,425 sh

Holdings current value

$29.4K

Avg closing price

$0.22

+97939.6%

Last action

Exited

2025Q4

Current $217.86

G3643J108FLUTTER ENTMT PLC

0.72%

of portfolio

Number of shares

115,245 sh

Holdings current value

$29.3K

Avg closing price

$0.22

Last action

Trimmed 71.6%

2025Q3

Current —

KBESPDR SER TRETF

0.71%

of portfolio

Number of shares

482,095 sh

Holdings current value

$28.6K

Avg closing price

$0.06

Last action

Exited

2025Q4

Current —

OPCHOPTION CARE HEALTH INC

Healthcare·Medical Care Facilities

0.67%

of portfolio

Number of shares

977,685 sh

Holdings current value

$27.1K

Avg closing price

$0.61

Last action

Added 366.9%

2025Q4

Current —

AEVAAEVA TECHNOLOGIES INC

Technology·Software - Infrastructure

0.66%

of portfolio

Number of shares

1,839,314 sh

Holdings current value

$26.7K

Avg closing price

$0.01

Last action

Trimmed 0.8%

2025Q4

Current —

PCGPG&E CORP

Utilities·Utilities - Regulated Electric

0.61%

of portfolio

Number of shares

1,649,300 sh

Holdings current value

$24.9K

Avg closing price

$22.92

Last action

Exited

2025Q4

Current —

GOOGLALPHABET INC

Communication Services·Internet Content & Information

0.61%

of portfolio

Number of shares

102,200 sh

Holdings current value

$24.8K

Avg closing price

$52.32

+542.2%

Last action

Added

2025Q4

Current $336.02

ARMARM HOLDINGS PLCADR

Technology·Semiconductors

0.58%

of portfolio

Number of shares

167,900 sh

Holdings current value

$23.8K

Avg closing price

$0.13

+129000.4%

Last action

Exited

2025Q4

Current $162.33

NUNU HLDGS LTD

Financial Services·Banks - Regional

0.57%

of portfolio

Number of shares

1,454,180 sh

Holdings current value

$23.3K

Avg closing price

$0.01

+116261.2%

Last action

Exited

2025Q4

Current $15.43

SMTCSEMTECH CORP

Technology·Semiconductors

0.53%

of portfolio

Number of shares

301,515 sh

Holdings current value

$21.5K

Avg closing price

$0.07

Last action

Exited

2025Q4

Current —

G7997R103SEAGATE TECHNOLOGY HLDNGS PL

0.50%

of portfolio

Number of shares

85,900 sh

Holdings current value

$20.3K

Avg closing price

$0.08

Last action

Exited

2025Q4

Current —

GPCGENUINE PARTS CO

Consumer Cyclical·Auto Parts

0.49%

of portfolio

Number of shares

144,185 sh

Holdings current value

$20.0K

Avg closing price

$0.14

+80116.6%

Last action

Exited

2025Q4

Current $111.18

ELVNENLIVEN THERAPEUTICS INC

Healthcare·Biotechnology

0.48%

of portfolio

Number of shares

947,405 sh

Holdings current value

$19.4K

Avg closing price

$0.02

Last action

Exited

2025Q4

Current —

POSTPOST HLDGS INC

Consumer Defensive·Packaged Foods

0.47%

of portfolio

Number of shares

176,400 sh

Holdings current value

$19.0K

Avg closing price

$68.77

+44.8%

Last action

Exited

2025Q4

Current $99.55

SNDKSANDISK CORP

Technology·Computer Hardware

0.46%

of portfolio

Number of shares

166,235 sh

Holdings current value

$18.7K

Avg closing price

$0.11

Last action

Exited

2025Q4

Current —

SYFSYNCHRONY FINANCIAL

Financial Services·Credit Services

0.46%

of portfolio

Number of shares

261,825 sh

Holdings current value

$18.6K

Avg closing price

$22.98

+227.1%

Last action

Exited

2025Q4

Current $75.17

ARGTGLOBAL X FDSETF

0.44%

of portfolio

Number of shares

254,045 sh

Holdings current value

$17.7K

Avg closing price

$0.07

Last action

Exited

2025Q4

Current —

COGTCOGENT BIOSCIENCES INC

Healthcare·Biotechnology

0.37%

of portfolio

Number of shares

1,059,580 sh

Holdings current value

$15.2K

Avg closing price

$0.03

Last action

Added

2025Q4

Current —

PTGXPROTAGONIST THERAPEUTICS INC

Healthcare·Biotechnology

0.26%

of portfolio

Number of shares

159,700 sh

Holdings current value

$10.6K

Avg closing price

$0.07

Last action

New holding

2025Q3

Current —

COFCAPITAL ONE FINL CORP

Financial Services·Credit Services

0.23%

of portfolio

Number of shares

43,920 sh

Holdings current value

$9.3K

Avg closing price

$0.16

+123330.9%

Last action

Exited

2025Q4

Current $200.71

CMGCHIPOTLE MEXICAN GRILL INC

Consumer Cyclical·Restaurants

0.22%

of portfolio

Number of shares

233,205 sh

Holdings current value

$9.1K

Avg closing price

$0.04

+91488.2%

Last action

Added 213.1%

2025Q4

Current $35.08

SEISOLARIS OILFIELD INFRASTRUCT

Energy·Oil & Gas Equipment & Services

0.14%

of portfolio

Number of shares

145,600 sh

Holdings current value

$5.8K

Avg closing price

$0.04

Last action

Exited

2025Q4

Current —

MDBMONGODB INC

Technology·Software - Infrastructure

0.14%

of portfolio

Number of shares

17,710 sh

Holdings current value

$5.5K

Avg closing price

$0.31

+80811.2%

Last action

Exited

2025Q4

Current $251.14

TXRHTEXAS ROADHOUSE INC

Consumer Cyclical·Restaurants

0.12%

of portfolio

Number of shares

29,800 sh

Holdings current value

$5.0K

Avg closing price

$0.17

+96173.7%

Last action

Exited

2025Q4

Current $159.95

SATSECHOSTAR CORP

Communication Services·Telecom Services

0.11%

of portfolio

Number of shares

60,765 sh

Holdings current value

$4.6K

Avg closing price

$0.08

Last action

New holding

2025Q3

Current —

YPFYPF SOCIEDAD ANONIMAADR

Energy·Oil & Gas Integrated

0.07%

of portfolio

Number of shares

114,695 sh

Holdings current value

$2.8K

Avg closing price

$0.04

Last action

Added

2025Q4

Current —

CHYMCHIME FINL INC

Technology·Software - Application

0.02%

of portfolio

Number of shares

43,230 sh

Holdings current value

$872

Avg closing price

$0.03

Last action

Exited

2025Q4

Current —

Portfolio heatmap

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

Sector exposure

Share of dollar value across the latest 13F report. Unclassified positions excluded.

Healthcare7 pos$1.3M36.5%
Consumer Cyclical11 pos$637K18.2%
Technology11 pos$549K15.7%
Industrials5 pos$352K10.1%
Communication Services6 pos$270K7.7%
Financial Services6 pos$232K6.6%
Utilities2 pos$71K2.0%
Energy3 pos$57K1.6%
Basic Materials1 pos$33K0.9%
Consumer Defensive1 pos$19K0.5%

(11.1% unclassified, excluded from %)