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 · 2023Q4
50 positions
Number of shares
1,086,120 sh
Holdings current value
$408.4K
Avg closing price
$7.70
+5391.1%
Last action
Exited
2025Q3
Current $422.79
Number of shares
22,914,940 sh
Holdings current value
$371.0K
Avg closing price
$18.21
+18.0%
Last action
Added 10.3%
2025Q4
Current $21.49
Number of shares
617,494 sh
Holdings current value
$305.8K
Avg closing price
$65.98
+204.0%
Last action
Exited
2024Q3
Current $200.57
Number of shares
402,550 sh
Holdings current value
$234.7K
Avg closing price
$157.15
+475.2%
Last action
Exited
2025Q3
Current $903.99
Number of shares
5,524,602 sh
Holdings current value
$233.5K
Avg closing price
$8.68
Last action
Exited
2025Q2
Current —
6
G7997R103SEAGATE TECHNOLOGY HLDNGS PL
5.39%
of portfolio
Number of shares
2,116,108 sh
Holdings current value
$180.7K
Avg closing price
$0.08
Last action
Exited
2025Q4
Current —
Number of shares
2,313,500 sh
Holdings current value
$111.1K
Avg closing price
$1.24
+23567.6%
Last action
Exited
2024Q2
Current $294.13
Number of shares
4,045,120 sh
Holdings current value
$99.3K
Avg closing price
$0.02
Last action
Exited
2024Q3
Current —
Number of shares
736,095 sh
Holdings current value
$93.9K
Avg closing price
$0.12
+250863.6%
Last action
Exited
2024Q2
Current $298.29
Number of shares
2,385,061 sh
Holdings current value
$91.9K
Avg closing price
$0.04
+443408.6%
Last action
Exited
2025Q4
Current $165.53
11
H42097107UBS GROUP AG
2.23%
of portfolio
Number of shares
2,414,735 sh
Holdings current value
$74.9K
Avg closing price
$0.02
Last action
Exited
2024Q1
Current —
Number of shares
1,158,535 sh
Holdings current value
$64.2K
Avg closing price
$12.71
+188.7%
Last action
Exited
2024Q2
Current $36.69
Number of shares
539,209 sh
Holdings current value
$58.3K
Avg closing price
$30.80
+41.9%
Last action
Exited
2024Q1
Current $43.72
Number of shares
1,332,625 sh
Holdings current value
$57.4K
Avg closing price
$12.75
+843.6%
Last action
Exited
2024Q2
Current $120.27
Number of shares
384,595 sh
Holdings current value
$57.4K
Avg closing price
$81.74
Last action
Exited
2024Q1
Current —
Number of shares
893,030 sh
Holdings current value
$55.9K
Avg closing price
$2.57
+7539.8%
Last action
Trimmed 44.1%
2025Q4
Current $196.11
Number of shares
234,185 sh
Holdings current value
$55.2K
Avg closing price
$0.24
Last action
Exited
2024Q3
Current —
Number of shares
404,635 sh
Holdings current value
$55.1K
Avg closing price
$0.15
Last action
Trimmed 9.4%
2025Q4
Current —
Number of shares
1,456,215 sh
Holdings current value
$49.1K
Avg closing price
$0.61
Last action
Added 111.7%
2025Q4
Current —
Number of shares
749,100 sh
Holdings current value
$38.2K
Avg closing price
$10.22
Last action
Exited
2024Q3
Current —
21
Y2573F102FLEX LTD
1.03%
of portfolio
Number of shares
1,134,400 sh
Holdings current value
$34.6K
Avg closing price
$1.05
Last action
Exited
2025Q2
Current —
Number of shares
1,758,300 sh
Holdings current value
$31.8K
Avg closing price
$11.68
Last action
Exited
2024Q1
Current —
Number of shares
235,800 sh
Holdings current value
$30.2K
Avg closing price
$0.13
+64547.4%
Last action
Exited
2024Q3
Current $82.69
Number of shares
326,735 sh
Holdings current value
$26.7K
Avg closing price
$0.08
+224697.4%
Last action
Exited
2024Q1
Current $184.44
Number of shares
975,600 sh
Holdings current value
$25.1K
Avg closing price
$0.02
Last action
Exited
2024Q3
Current —
Number of shares
363,585 sh
Holdings current value
$21.9K
Avg closing price
$0.06
+223255.8%
Last action
Exited
2024Q2
Current $133.37
Number of shares
471,535 sh
Holdings current value
$20.1K
Avg closing price
$2.56
+2568.9%
Last action
Exited
2025Q3
Current $68.28
Number of shares
474,250 sh
Holdings current value
$19.6K
Avg closing price
$0.04
+273906.3%
Last action
Exited
2024Q1
Current $113.41
Number of shares
64,715 sh
Holdings current value
$19.1K
Avg closing price
$25.89
+544.9%
Last action
Exited
2025Q1
Current $166.97
Number of shares
531,247 sh
Holdings current value
$18.9K
Avg closing price
$13.69
+395.3%
Last action
Exited
2024Q1
Current $67.80
Number of shares
95,700 sh
Holdings current value
$18.4K
Avg closing price
$15.09
+1011.6%
Last action
Exited
2024Q1
Current $167.69
Number of shares
924,100 sh
Holdings current value
$17.1K
Avg closing price
$0.02
+37484.0%
Last action
Exited
2025Q1
Current $6.17
Number of shares
423,850 sh
Holdings current value
$14.9K
Avg closing price
$0.04
+67246.2%
Last action
Exited
2024Q1
Current $23.74
Number of shares
230,000 sh
Holdings current value
$12.0K
Avg closing price
$0.06
+631858.3%
Last action
Exited
2025Q1
Current $361.69
Number of shares
216,600 sh
Holdings current value
$10.3K
Avg closing price
$0.05
+82807.7%
Last action
Exited
2024Q1
Current $39.54
Number of shares
63,850 sh
Holdings current value
$10.3K
Avg closing price
$0.16
Last action
Exited
2024Q2
Current —
Number of shares
17,130 sh
Holdings current value
$10.2K
Avg closing price
$133.95
+85.3%
Last action
Exited
2024Q4
Current $248.16
Number of shares
294,751 sh
Holdings current value
$10.0K
Avg closing price
$0.04
+346347.6%
Last action
Exited
2024Q3
Current $133.09
Number of shares
135,132 sh
Holdings current value
$9.6K
Avg closing price
$0.06
Last action
Exited
2024Q1
Current —
Number of shares
674,039 sh
Holdings current value
$9.5K
Avg closing price
$0.01
Last action
Exited
2024Q1
Current —
Number of shares
906,767 sh
Holdings current value
$8.9K
Avg closing price
$4.39
-18.1%
Last action
Exited
2024Q1
Current $3.60
Number of shares
153,965 sh
Holdings current value
$8.1K
Avg closing price
$0.06
Last action
Exited
2025Q1
Current —
Number of shares
28,400 sh
Holdings current value
$5.4K
Avg closing price
$0.19
+51832.5%
Last action
Exited
2024Q1
Current $99.33
Number of shares
71,700 sh
Holdings current value
$4.9K
Avg closing price
$0.07
+134521.0%
Last action
Exited
2024Q1
Current $92.62
Number of shares
38,656 sh
Holdings current value
$4.5K
Avg closing price
$0.08
+354787.1%
Last action
Exited
2024Q2
Current $299.14
Number of shares
659,750 sh
Holdings current value
$3.8K
Avg closing price
$40.24
Last action
Exited
2024Q1
Current —
Number of shares
47,505 sh
Holdings current value
$3.8K
Avg closing price
$0.08
+99091.9%
Last action
Exited
2024Q1
Current $80.14
48
G4701H109IHS HOLDING LIMITED
0.11%
of portfolio
Number of shares
770,310 sh
Holdings current value
$3.5K
Avg closing price
$11.28
Last action
Exited
2024Q4
Current —
49
G65163100JOBY AVIATION INC
0.00%
of portfolio
Number of shares
22,492 sh
Holdings current value
$150
Avg closing price
$0.01
Last action
Exited
2025Q3
Current —
Number of shares
100,000 sh
Holdings current value
$69
Avg closing price
$10.52
Last action
Exited
2024Q1
Current —
Portfolio heatmap
Box size = % of portfolio · color = return since filing
UBS GROUP AG
2.23%
Sector exposure
Share of dollar value across the latest 13F report. Unclassified positions excluded.
- Technology10 pos$829K30.1%
- Consumer Cyclical3 pos$424K15.4%
- Healthcare7 pos$380K13.8%
- Industrials7 pos$368K13.4%
- Basic Materials3 pos$273K9.9%
- Communication Services5 pos$171K6.2%
- Energy2 pos$115K4.2%
- Utilities2 pos$96K3.5%
- Consumer Defensive1 pos$58K2.1%
- Financial Services2 pos$37K1.3%
(11.5% unclassified, excluded from %)