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.
Portfolio
$4.49M
Positions
58
Quarter
2025Q4
Filings tracked
40
Holdings
Sorted by value · 2025Q2
65 positions
Avg buy
$2.57
2022Q3
Current
$196.11
Return
+7539.8%
Last action
Trimmed 18.6%
2025Q4
3,085,190 sh
$521.2K
2
6.57%
of portfolio
Avg buy
$0.02
2024Q3
Current
$31.26
Return
+165176.1%
Last action
Trimmed 40.2%
2025Q4
15,968,935 sh
$267.6K
Avg buy
$0.31
2020Q2
Current
—
Return
—
Last action
Trimmed 29.5%
2025Q4
2,253,435 sh
$226.8K
Avg buy
$0.15
2023Q4
Current
—
Return
—
Last action
Trimmed 4.7%
2025Q4
848,910 sh
$208.1K
Avg buy
$0.18
2022Q3
Current
$363.35
Return
+206980.9%
Last action
Trimmed 22.5%
2025Q4
765,085 sh
$173.3K
Avg buy
$40.32
2016Q1
Current
$156.24
Return
+287.5%
Last action
New holding
2025Q4
815,975 sh
$148.6K
Avg buy
$570.69
2018Q2
Current
$1822
Return
+219.3%
Last action
Trimmed 17.2%
2025Q4
53,725 sh
$140.4K
Avg buy
$2.29
2022Q4
Current
$135.92
Return
+5836.3%
Last action
New holding
2025Q4
1,645,885 sh
$132.7K
Avg buy
$18.21
2021Q1
Current
$21.49
Return
+18.0%
Last action
Added 108.9%
2025Q4
4,105,424 sh
$123.0K
10
G3643J108FLUTTER ENTMT PLC
2.84%
of portfolio
Avg buy
$0.22
2024Q2
Current
—
Return
—
Last action
Trimmed 41.7%
2025Q3
405,320 sh
$115.8K
Avg buy
$0.06
2024Q1
Current
$328.00
Return
+511351.6%
Last action
Exited
2025Q3
1,157,840 sh
$103.3K
Avg buy
$0.62
2019Q1
Current
$46.06
Return
+7364.2%
Last action
Trimmed 34.1%
2025Q4
1,290,440 sh
$100.5K
Avg buy
$7.70
2016Q1
Current
$422.79
Return
+5391.1%
Last action
Exited
2025Q3
200,930 sh
$99.9K
Avg buy
$0.08
2025Q1
Current
$111.87
Return
+139627.2%
Last action
Trimmed 17.9%
2025Q4
1,100,500 sh
$96.7K
Avg buy
$0.04
2024Q3
Current
—
Return
—
Last action
Exited
2025Q4
1,002,080 sh
$94.8K
Avg buy
$157.15
2022Q2
Current
$903.99
Return
+475.2%
Last action
Exited
2025Q3
100,675 sh
$78.5K
Avg buy
$0.01
2024Q4
Current
—
Return
—
Last action
Exited
2025Q3
6,537,160 sh
$74.9K
Avg buy
$5.02
2016Q4
Current
$58.39
Return
+1064.0%
Last action
Exited
2025Q4
1,252,700 sh
$73.1K
Avg buy
$6.78
2016Q4
Current
$129.34
Return
+1807.9%
Last action
Exited
2025Q4
666,300 sh
$56.7K
Avg buy
$4.21
2016Q4
Current
—
Return
—
Last action
New holding
2025Q4
985,300 sh
$51.6K
Avg buy
$0.07
2025Q2
Current
$77.61
Return
+117959.8%
Last action
Added 11.5%
2025Q4
751,010 sh
$49.8K
Avg buy
$0.48
2019Q1
Current
$90.40
Return
+18539.3%
Last action
Added
2025Q4
309,730 sh
$49.5K
Avg buy
$0.01
2024Q4
Current
$15.43
Return
+116261.2%
Last action
Exited
2025Q4
3,415,365 sh
$46.9K
Avg buy
$0.01
2024Q1
Current
—
Return
—
Last action
Trimmed 16.0%
2025Q4
3,076,224 sh
$46.5K
Avg buy
$0.02
2025Q2
Current
$25.93
Return
+107048.8%
Last action
Trimmed 21.0%
2025Q4
1,774,050 sh
$42.9K
Avg buy
$0.03
2025Q1
Current
—
Return
—
Last action
Exited
2025Q3
1,395,875 sh
$39.6K
Avg buy
$9.09
2017Q2
Current
$69.89
Return
+669.3%
Last action
New holding
2025Q4
793,510 sh
$39.0K
Avg buy
$0.18
2024Q1
Current
$255.50
Return
+140906.7%
Last action
Trimmed 1.3%
2025Q4
170,510 sh
$35.7K
Avg buy
$0.26
2025Q2
Current
$426.16
Return
+161761.6%
Last action
Exited
2025Q4
126,635 sh
$35.0K
Avg buy
$0.05
2025Q2
Current
$166.08
Return
+315703.4%
Last action
Exited
2025Q3
623,145 sh
$32.8K
Avg buy
$0.01
2024Q4
Current
—
Return
—
Last action
Added 33.3%
2025Q4
2,303,084 sh
$31.6K
Avg buy
$0.02
2024Q1
Current
$31.79
Return
+167297.3%
Last action
Exited
2025Q3
1,071,665 sh
$31.5K
Avg buy
$0.31
2025Q1
Current
$466.09
Return
+149367.6%
Last action
Exited
2025Q3
89,458 sh
$31.3K
Avg buy
$16.67
2017Q1
Current
—
Return
—
Last action
New holding
2025Q4
377,120 sh
$30.0K
Avg buy
$0.71
2025Q2
Current
$900.00
Return
+127061.4%
Last action
New holding
2025Q4
42,000 sh
$29.7K
Avg buy
$0.01
2024Q1
Current
—
Return
—
Last action
Exited
2025Q3
1,549,950 sh
$28.8K
Avg buy
$55.21
2018Q4
Current
$132.72
Return
+140.4%
Last action
Exited
2025Q3
300,615 sh
$28.7K
38
G7997R103SEAGATE TECHNOLOGY HLDNGS PL
0.70%
of portfolio
Avg buy
$0.08
2023Q3
Current
—
Return
—
Last action
Exited
2025Q4
197,490 sh
$28.5K
Avg buy
$3.32
2019Q1
Current
$136.96
Return
+4025.2%
Last action
Exited
2025Q4
200,475 sh
$24.9K
Avg buy
$0.31
2023Q3
Current
$398.47
Return
+126407.1%
Last action
Exited
2025Q3
86,140 sh
$23.7K
Avg buy
$0.07
2024Q1
Current
—
Return
—
Last action
Exited
2025Q4
267,700 sh
$22.7K
Avg buy
$0.04
2024Q2
Current
—
Return
—
Last action
Added 232.5%
2025Q4
703,995 sh
$22.1K
Avg buy
$1.57
2022Q1
Current
—
Return
—
Last action
New holding
2025Q4
738,800 sh
$21.3K
Avg buy
$0.07
2025Q2
Current
—
Return
—
Last action
Exited
2025Q3
281,100 sh
$20.8K
Avg buy
$0.61
2020Q4
Current
—
Return
—
Last action
Added
2025Q4
636,850 sh
$20.7K
Avg buy
$0.12
2024Q3
Current
—
Return
—
Last action
Exited
2025Q3
163,100 sh
$20.6K
Avg buy
$12.20
2016Q3
Current
$53.51
Return
+338.6%
Last action
Exited
2025Q4
341,900 sh
$16.2K
Avg buy
$0.03
2025Q2
Current
—
Return
—
Last action
Exited
2025Q4
466,825 sh
$16.1K
Avg buy
$0.06
2024Q1
Current
—
Return
—
Last action
Exited
2025Q3
220,900 sh
$15.5K
50
N62509109NEWAMSTERDAM PHARMA COMPANY
0.37%
of portfolio
Avg buy
$0.03
2024Q3
Current
—
Return
—
Last action
Added
2025Q4
832,175 sh
$15.1K
Avg buy
$0.03
2025Q2
Current
$35.51
Return
+133902.9%
Last action
Exited
2025Q3
549,295 sh
$14.6K
Avg buy
$17.18
2017Q3
Current
—
Return
—
Last action
Exited
2025Q3
231,481 sh
$11.7K
Avg buy
$0.11
2024Q4
Current
$230.80
Return
+207097.8%
Last action
Exited
2025Q3
76,475 sh
$11.0K
54
G0896C103BBB FOODS INC
0.25%
of portfolio
Avg buy
$0.03
2025Q2
Current
—
Return
—
Last action
Added
2025Q4
360,550 sh
$10.0K
Avg buy
$28.53
2020Q2
Current
$143.35
Return
+402.5%
Last action
Exited
2025Q4
77,400 sh
$10.0K
Avg buy
$25.32
2020Q2
Current
—
Return
—
Last action
Exited
2025Q4
89,900 sh
$9.9K
Avg buy
$0.11
2022Q3
Current
$83.90
Return
+74638.5%
Last action
Exited
2025Q3
85,065 sh
$9.9K
Avg buy
$2.56
2016Q2
Current
$68.28
Return
+2568.9%
Last action
Exited
2025Q3
224,800 sh
$9.7K
Avg buy
$0.54
2021Q3
Current
$5.59
Return
+938.7%
Last action
Exited
2025Q3
1,007,944 sh
$9.5K
Avg buy
$0.02
2025Q2
Current
—
Return
—
Last action
Exited
2025Q4
463,000 sh
$9.3K
61
M3760D101ELBIT SYS LTD
0.20%
of portfolio
Avg buy
$0.45
2025Q2
Current
—
Return
—
Last action
Exited
2025Q3
18,287 sh
$8.2K
Avg buy
$0.41
2025Q2
Current
$516.00
Return
+127152.9%
Last action
Exited
2025Q3
12,200 sh
$4.9K
Avg buy
$0.25
2023Q3
Current
$193.78
Return
+78003.6%
Last action
Exited
2025Q3
24,700 sh
$4.9K
Avg buy
$0.01
2025Q2
Current
$23.87
Return
+208354.8%
Last action
Exited
2025Q3
421,800 sh
$4.8K
65
G65163100JOBY AVIATION INC
0.01%
of portfolio
Avg buy
$0.01
2022Q3
Current
—
Return
—
Last action
Exited
2025Q3
31,489 sh
$332
Portfolio heatmap
Box size = % of portfolio · color = return since filing
FLUTTER ENTMT PLC
2.84%
41 more
20.48%
Sector exposure
Share of dollar value across the latest 13F report. Unclassified positions excluded.
- Healthcare10 pos$1.2M33.2%
- Technology12 pos$806K22.7%
- Consumer Cyclical8 pos$443K12.5%
- Industrials9 pos$421K11.9%
- Financial Services7 pos$205K5.8%
- Communication Services3 pos$203K5.7%
- Consumer Defensive1 pos$149K4.2%
- Energy3 pos$127K3.6%
- Basic Materials2 pos$15K0.4%
(9.4% unclassified, excluded from %)