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 · 2024Q1

Sector72 positions

MSFTMICROSOFT CORP

Technology·Software - Infrastructure

10.67%

of portfolio

Avg buy

$7.70

2016Q1

Current

$422.79

Return

+5391.1%

Last action

Exited

2025Q3

1,112,270 sh

$468.0K

CPNGCOUPANG INC

Consumer Cyclical·Internet Retail

9.11%

of portfolio

Avg buy

$18.21

2021Q1

Current

$21.49

Return

+18.0%

Last action

Added 10.5%

2025Q4

22,459,850 sh

$399.6K

TECKTECK RESOURCES LTD

Basic Materials·Other Industrial Metals & Mining

4.75%

of portfolio

Avg buy

$8.68

2020Q3

Current

—

Return

—

Last action

Exited

2025Q2

4,552,227 sh

$208.4K

VSTVISTRA CORP

Utilities·Utilities - Independent Power Producers

4.17%

of portfolio

Avg buy

$0.04

2023Q3

Current

$165.53

Return

+443408.6%

Last action

Exited

2025Q4

2,625,231 sh

$182.8K

NTRANATERA INC

Healthcare·Diagnostics & Research

4.02%

of portfolio

Avg buy

$2.57

2022Q3

Current

$196.11

Return

+7539.8%

Last action

Trimmed 26.7%

2025Q4

1,929,380 sh

$176.5K

NVDANVIDIA CORPORATION

Technology·Semiconductors

3.62%

of portfolio

Avg buy

$65.98

2016Q2

Current

$200.57

Return

+204.0%

Last action

Exited

2024Q3

175,943 sh

$159.0K

COHRCOHERENT CORP

Technology·Scientific & Technical Instruments

3.49%

of portfolio

Avg buy

$0.06

2024Q1

Current

$328.00

Return

+511351.6%

Last action

Exited

2025Q3

2,525,070 sh

$153.1K

GEGENERAL ELECTRIC CO

Industrials·Aerospace & Defense

3.41%

of portfolio

Avg buy

$0.12

2023Q2

Current

$298.29

Return

+250863.6%

Last action

Exited

2024Q2

853,095 sh

$149.7K

WWDWOODWARD INC

Industrials·Aerospace & Defense

3.35%

of portfolio

Avg buy

$0.15

2023Q4

Current

—

Return

—

Last action

Trimmed 4.2%

2025Q4

954,230 sh

$147.1K

G7997R103SEAGATE TECHNOLOGY HLDNGS PL

3.05%

of portfolio

Avg buy

$0.08

2023Q3

Current

—

Return

—

Last action

Exited

2025Q4

1,438,983 sh

$133.9K

ANETEURARISTA NETWORKS INC

2.83%

of portfolio

Avg buy

$0.24

2023Q1

Current

—

Return

—

Last action

Exited

2024Q3

428,252 sh

$124.2K

Y2573F102FLEX LTD

2.52%

of portfolio

Avg buy

$1.05

2019Q4

Current

—

Return

—

Last action

Exited

2025Q2

3,863,155 sh

$110.5K

GTMZOOMINFO TECHNOLOGIES INC

Technology·Software - Application

2.15%

of portfolio

Avg buy

$0.02

2023Q4

Current

$6.17

Return

+37484.0%

Last action

Exited

2025Q1

5,881,906 sh

$94.3K

NWSANEWS CORP NEW

Communication Services·Entertainment

1.98%

of portfolio

Avg buy

$0.02

2023Q1

Current

—

Return

—

Last action

Exited

2024Q3

3,312,025 sh

$86.7K

DFSEURDISCOVER FINL SVCS

1.93%

of portfolio

Avg buy

$0.13

2024Q1

Current

—

Return

—

Last action

Exited

2025Q1

645,205 sh

$84.6K

VRTVERTIV HOLDINGS CO

Industrials·Electrical Equipment & Parts

1.86%

of portfolio

Avg buy

$1.24

2022Q3

Current

$294.13

Return

+23567.6%

Last action

Exited

2024Q2

998,510 sh

$81.5K

KMIKINDER MORGAN INC DEL

Energy·Oil & Gas Midstream

1.62%

of portfolio

Avg buy

$0.02

2024Q1

Current

$31.79

Return

+167297.3%

Last action

Exited

2025Q3

3,880,500 sh

$71.2K

FCXFREEPORT-MCMORAN INC

Basic Materials·Copper

1.48%

of portfolio

Avg buy

$2.56

2016Q2

Current

$68.28

Return

+2568.9%

Last action

Exited

2025Q3

1,378,875 sh

$64.8K

KBRKBR INC

Industrials·Engineering & Construction

1.42%

of portfolio

Avg buy

$12.71

2021Q3

Current

$36.69

Return

+188.7%

Last action

Exited

2024Q2

981,425 sh

$62.5K

MRVLMARVELL TECHNOLOGY INC

Technology·Semiconductors

1.33%

of portfolio

Avg buy

$0.06

2023Q1

Current

$133.37

Return

+223255.8%

Last action

Exited

2024Q2

822,875 sh

$58.3K

WABWABTEC

Industrials·Railroads

1.28%

of portfolio

Avg buy

$0.18

2024Q1

Current

$255.50

Return

+140906.7%

Last action

Trimmed 0.6%

2025Q4

386,835 sh

$56.4K

LLYLILLY ELI & CO

Healthcare·Drug Manufacturers - General

1.09%

of portfolio

Avg buy

$157.15

2022Q2

Current

$903.99

Return

+475.2%

Last action

Exited

2025Q3

61,664 sh

$48.0K

PANWPALO ALTO NETWORKS INC

Technology·Software - Infrastructure

0.90%

of portfolio

Avg buy

$25.89

2019Q2

Current

$166.97

Return

+544.9%

Last action

Exited

2025Q1

138,718 sh

$39.4K

CCJCAMECO CORP

Energy·Uranium

0.84%

of portfolio

Avg buy

$12.75

2022Q4

Current

$120.27

Return

+843.6%

Last action

Exited

2024Q2

848,710 sh

$36.8K

METAMETA PLATFORMS INC

Communication Services·Internet Content & Information

0.71%

of portfolio

Avg buy

$86.86

2016Q1

Current

$676.87

Return

+679.2%

Last action

Exited

2025Q4

63,930 sh

$31.0K

NWSNEWS CORP NEW

Communication Services·Entertainment

0.65%

of portfolio

Avg buy

$0.02

2023Q1

Current

—

Return

—

Last action

Exited

2024Q3

1,053,975 sh

$28.5K

KEYKEYCORP

Financial Services·Banks - Regional

0.60%

of portfolio

Avg buy

$0.02

2024Q1

Current

$21.67

Return

+136967.3%

Last action

Exited

2025Q1

1,657,395 sh

$26.2K

CCITIGROUP INC

Financial Services·Banks - Diversified

0.58%

of portfolio

Avg buy

$6.78

2016Q4

Current

$129.34

Return

+1807.9%

Last action

Exited

2025Q4

400,345 sh

$25.3K

MSGEMADISON SQUARE GARDEN ENTMT

Consumer Cyclical·Leisure

0.57%

of portfolio

Avg buy

$0.04

2024Q1

Current

$61.13

Return

+157369.6%

Last action

Exited

2024Q3

639,800 sh

$25.1K

OPCHOPTION CARE HEALTH INC

Healthcare·Medical Care Facilities

0.52%

of portfolio

Avg buy

$0.61

2020Q4

Current

—

Return

—

Last action

Added

2025Q4

686,205 sh

$23.0K

DAKTDAKTRONICS INC

Technology·Electronic Components

0.47%

of portfolio

Avg buy

$0.01

2024Q1

Current

—

Return

—

Last action

Trimmed 22.0%

2025Q4

2,073,444 sh

$20.7K

AAPLAPPLE INC

Technology·Consumer Electronics

0.45%

of portfolio

Avg buy

$0.17

2024Q1

Current

$270.23

Return

+157484.9%

Last action

Exited

2024Q3

114,700 sh

$19.7K

CNKCINEMARK HLDGS INC

Communication Services·Entertainment

0.44%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q3

1,078,635 sh

$19.4K

PLTRPALANTIR TECHNOLOGIES INC

Technology·Software - Infrastructure

0.40%

of portfolio

Avg buy

$15.19

2021Q3

Current

$142.76

Return

+840.1%

Last action

Exited

2025Q1

769,965 sh

$17.7K

N82405106STELLANTIS N.V

0.38%

of portfolio

Avg buy

$0.03

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

588,050 sh

$16.7K

SPHRMADISON SQUARE GRDN ENTERTNM

Communication Services·Entertainment

0.38%

of portfolio

Avg buy

$0.04

2023Q3

Current

$133.09

Return

+346347.6%

Last action

Exited

2024Q3

336,825 sh

$16.5K

COFCAPITAL ONE FINL CORP

Financial Services·Credit Services

0.37%

of portfolio

Avg buy

$0.16

2024Q1

Current

$200.71

Return

+123330.9%

Last action

Exited

2025Q4

108,495 sh

$16.2K

KRESPDR SER TRETF

0.35%

of portfolio

Avg buy

$0.06

2023Q4

Current

—

Return

—

Last action

Exited

2025Q1

307,200 sh

$15.4K

IQVIQVIA HLDGS INC

Healthcare·Diagnostics & Research

0.35%

of portfolio

Avg buy

$65.60

2020Q1

Current

$171.95

Return

+162.1%

Last action

Exited

2025Q1

60,360 sh

$15.3K

CRNXCRINETICS PHARMACEUTICALS IN

Healthcare·Biotechnology

0.33%

of portfolio

Avg buy

$0.05

2024Q1

Current

—

Return

—

Last action

Exited

2025Q1

309,000 sh

$14.5K

BAHBOOZ ALLEN HAMILTON HLDG COR

Industrials·Consulting Services

0.28%

of portfolio

Avg buy

$0.13

2023Q4

Current

$82.69

Return

+64547.4%

Last action

Exited

2024Q3

83,841 sh

$12.4K

OZKBANK OZK

Financial Services·Banks - Regional

0.24%

of portfolio

Avg buy

$0.05

2024Q1

Current

$47.79

Return

+105022.7%

Last action

Exited

2024Q2

234,200 sh

$10.6K

ARGTGLOBAL X FDSETF

0.24%

of portfolio

Avg buy

$0.07

2024Q1

Current

—

Return

—

Last action

Exited

2025Q4

193,900 sh

$10.4K

BMABANCO MACRO SAADR

Financial Services·Banks - Regional

0.23%

of portfolio

Avg buy

$0.06

2024Q1

Current

—

Return

—

Last action

Exited

2025Q3

208,730 sh

$10.1K

BCSBARCLAYS PLCADR

Financial Services·Banks - Diversified

0.23%

of portfolio

Avg buy

$0.01

2024Q1

Current

—

Return

—

Last action

Exited

2025Q3

1,051,355 sh

$9.9K

SANASANA BIOTECHNOLOGY INC

Healthcare·Biotechnology

0.22%

of portfolio

Avg buy

$0.01

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

984,000 sh

$9.8K

RDDTREDDIT INC

Communication Services·Internet Content & Information

0.20%

of portfolio

Avg buy

$0.05

2024Q1

Current

$162.45

Return

+329279.6%

Last action

Exited

2024Q2

175,000 sh

$8.6K

36118A100FUSION PHARMACEUTICALS INC

0.19%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

399,748 sh

$8.5K

SLNSILENCE THERAPEUTICS PLCADR

0.19%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q4

387,400 sh

$8.4K

TTWOTAKE-TWO INTERACTIVE SOFTWAR

Communication Services·Electronic Gaming & Multimedia

0.19%

of portfolio

Avg buy

$0.16

2023Q4

Current

—

Return

—

Last action

Exited

2024Q2

55,320 sh

$8.2K

GGALGRUPO FINANCIERO GALICIA S.AADR

Financial Services·Banks - Regional

0.19%

of portfolio

Avg buy

$17.18

2017Q3

Current

—

Return

—

Last action

Exited

2025Q3

321,863 sh

$8.2K

CEGCONSTELLATION ENERGY CORP

Utilities·Utilities - Independent Power Producers

0.16%

of portfolio

Avg buy

$0.08

2022Q3

Current

$299.14

Return

+354787.1%

Last action

Exited

2024Q2

39,081 sh

$7.2K

CABACABALETTA BIO INC

Healthcare·Biotechnology

0.16%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

417,000 sh

$7.1K

NSCNRG ENERGY INC

Utilities·Utilities - Independent Power Producers

0.15%

of portfolio

Avg buy

$0.07

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

96,885 sh

$6.6K

LEGNLEGEND BIOTECH CORPADR

Healthcare·Biotechnology

0.15%

of portfolio

Avg buy

$0.06

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

114,500 sh

$6.4K

VCYTVERACYTE INC

Healthcare·Diagnostics & Research

0.13%

of portfolio

Avg buy

$0.02

2024Q1

Current

$33.03

Return

+148961.6%

Last action

Exited

2024Q3

259,944 sh

$5.8K

AESAES CORP

Utilities·Utilities - Diversified

0.13%

of portfolio

Avg buy

$0.02

2024Q1

Current

$14.50

Return

+80776.7%

Last action

Exited

2024Q3

314,750 sh

$5.6K

NXENEXGEN ENERGY LTD

Energy·Uranium

0.13%

of portfolio

Avg buy

$0.01

2024Q1

Current

$12.65

Return

+162712.7%

Last action

Exited

2024Q2

712,000 sh

$5.5K

ACLXARCELLX INC

Healthcare·Biotechnology

0.12%

of portfolio

Avg buy

$0.07

2024Q1

Current

—

Return

—

Last action

Exited

2025Q1

74,100 sh

$5.2K

WDCWESTERN DIGITAL CORP.

Technology·Computer Hardware

0.11%

of portfolio

Avg buy

$0.06

2023Q3

Current

$361.69

Return

+631858.3%

Last action

Exited

2025Q1

73,505 sh

$5.0K

M87915274TOWER SEMICONDUCTOR LTD

0.11%

of portfolio

Avg buy

$0.03

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

146,400 sh

$4.9K

BCYCBICYCLE THERAPEUTICS PLCADR

Healthcare·Biotechnology

0.11%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q4

190,200 sh

$4.7K

G61188101LIBERTY GLOBAL LTD

0.11%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q3

275,275 sh

$4.7K

G61188127LIBERTY GLOBAL LTD

0.11%

of portfolio

Avg buy

$0.02

2024Q1

Current

—

Return

—

Last action

Exited

2024Q3

261,875 sh

$4.6K

MLTXMOONLAKE IMMUNOTHERAPEUTICS

Healthcare·Biotechnology

0.10%

of portfolio

Avg buy

$0.05

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

87,500 sh

$4.4K

TGTXTG THERAPEUTICS INC

Healthcare·Biotechnology

0.10%

of portfolio

Avg buy

$0.02

2024Q1

Current

$34.30

Return

+225398.9%

Last action

Exited

2024Q2

280,000 sh

$4.3K

TLSITRISALUS LIFE SCIENCES INC

0.07%

of portfolio

Avg buy

$0.01

2024Q1

Current

—

Return

—

Last action

Exited

2025Q1

315,955 sh

$3.1K

G4701H109IHS HOLDING LIMITED

0.06%

of portfolio

Avg buy

$11.28

2021Q4

Current

—

Return

—

Last action

Exited

2024Q4

770,310 sh

$2.7K

TEOTELECOM ARGENTINA SAADR

Communication Services·Telecom Services

0.03%

of portfolio

Avg buy

$0.01

2024Q1

Current

—

Return

—

Last action

Exited

2024Q3

143,051 sh

$1.1K

NRIXNURIX THERAPEUTICS INC

Healthcare·Biotechnology

0.01%

of portfolio

Avg buy

$0.01

2024Q1

Current

$16.69

Return

+113392.0%

Last action

Exited

2024Q4

44,200 sh

$650

G29183103EATON CORP PLC

0.01%

of portfolio

Avg buy

$0.31

2024Q1

Current

—

Return

—

Last action

Exited

2024Q2

1,090 sh

$341

G65163100JOBY AVIATION INC

0.00%

of portfolio

Avg buy

$0.01

2022Q3

Current

—

Return

—

Last action

Exited

2025Q3

22,492 sh

$121

Portfolio heatmap

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

Sector exposure

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

Technology10 pos$1.0M32.4%
Industrials6 pos$510K16.0%
Consumer Cyclical2 pos$425K13.3%
Healthcare14 pos$326K10.2%
Basic Materials2 pos$273K8.6%
Utilities4 pos$202K6.3%
Communication Services8 pos$200K6.3%
Energy3 pos$113K3.6%
Financial Services7 pos$106K3.3%

(14.3% unclassified, excluded from %)