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 · 2023Q3
41 positions
Number of shares
874,656 sh
Holdings current value
$380.5K
Avg closing price
$65.98
+204.0%
Last action
Exited
2024Q3
Current $200.57
Number of shares
20,903,865 sh
Holdings current value
$355.4K
Avg closing price
$18.21
+18.0%
Last action
Added 11.4%
2025Q4
Current $21.49
Number of shares
1,017,260 sh
Holdings current value
$321.2K
Avg closing price
$7.70
+5391.1%
Last action
Exited
2025Q3
Current $422.79
Number of shares
454,115 sh
Holdings current value
$243.9K
Avg closing price
$157.15
+475.2%
Last action
Exited
2025Q3
Current $903.99
Number of shares
4,105,677 sh
Holdings current value
$176.9K
Avg closing price
$8.68
Last action
Exited
2025Q2
Current —
Number of shares
1,826,090 sh
Holdings current value
$168.8K
Avg closing price
$30.80
+41.9%
Last action
Exited
2024Q1
Current $43.72
Number of shares
838,375 sh
Holdings current value
$109.7K
Avg closing price
$52.32
+542.2%
Last action
Added 50.9%
2025Q4
Current $336.02
Number of shares
756,675 sh
Holdings current value
$106.0K
Avg closing price
$37.08
+431.6%
Last action
Exited
2023Q4
Current $197.12
Number of shares
4,772,025 sh
Holdings current value
$95.7K
Avg closing price
$0.02
Last action
Exited
2024Q3
Current —
Number of shares
736,095 sh
Holdings current value
$81.4K
Avg closing price
$0.12
+250863.6%
Last action
Exited
2024Q2
Current $298.29
Number of shares
1,886,250 sh
Holdings current value
$70.2K
Avg closing price
$1.24
+23567.6%
Last action
Exited
2024Q2
Current $294.13
Number of shares
1,988,561 sh
Holdings current value
$66.0K
Avg closing price
$0.04
+443408.6%
Last action
Exited
2025Q4
Current $165.53
Number of shares
384,595 sh
Holdings current value
$64.8K
Avg closing price
$81.74
Last action
Exited
2024Q1
Current —
14
G7997R103SEAGATE TECHNOLOGY HLDNGS PL
2.17%
of portfolio
Number of shares
915,043 sh
Holdings current value
$60.3K
Avg closing price
$0.08
Last action
Exited
2025Q4
Current —
Number of shares
460,755 sh
Holdings current value
$57.4K
Avg closing price
$0.11
+74638.5%
Last action
Exited
2025Q3
Current $83.90
16
H42097107UBS GROUP AG
1.94%
of portfolio
Number of shares
2,183,445 sh
Holdings current value
$54.1K
Avg closing price
$0.02
Last action
Exited
2024Q1
Current —
Number of shares
51,956 sh
Holdings current value
$43.2K
Avg closing price
$0.31
+126407.1%
Last action
Exited
2025Q3
Current $398.47
Number of shares
893,030 sh
Holdings current value
$39.5K
Avg closing price
$2.57
+7539.8%
Last action
Trimmed 44.1%
2025Q4
Current $196.11
Number of shares
1,205,350 sh
Holdings current value
$39.0K
Avg closing price
$0.61
Last action
Added 175.8%
2025Q4
Current —
Number of shares
869,740 sh
Holdings current value
$34.5K
Avg closing price
$12.75
+843.6%
Last action
Exited
2024Q2
Current $120.27
Number of shares
505,658 sh
Holdings current value
$29.8K
Avg closing price
$12.71
+188.7%
Last action
Exited
2024Q2
Current $36.69
Number of shares
307,500 sh
Holdings current value
$26.7K
Avg closing price
$35.45
+291.0%
Last action
Exited
2023Q4
Current $138.59
Number of shares
975,600 sh
Holdings current value
$20.4K
Avg closing price
$0.02
Last action
Exited
2024Q3
Current —
Number of shares
95,700 sh
Holdings current value
$19.5K
Avg closing price
$15.09
+1011.6%
Last action
Exited
2024Q1
Current $167.69
Number of shares
76,040 sh
Holdings current value
$18.9K
Avg closing price
$0.25
+78003.6%
Last action
Exited
2025Q3
Current $193.78
Number of shares
136,690 sh
Holdings current value
$17.4K
Avg closing price
$11.50
+2071.7%
Last action
Added
2025Q4
Current $249.70
27
H8817H100TRANSOCEAN LTD
0.54%
of portfolio
Number of shares
1,844,175 sh
Holdings current value
$15.1K
Avg closing price
$5.61
Last action
Exited
2023Q4
Current —
Number of shares
230,000 sh
Holdings current value
$10.5K
Avg closing price
$0.06
+631858.3%
Last action
Exited
2025Q1
Current $361.69
Number of shares
74,415 sh
Holdings current value
$10.2K
Avg closing price
$0.13
Last action
Exited
2023Q4
Current —
Number of shares
270,270 sh
Holdings current value
$10.0K
Avg closing price
$0.04
+346347.6%
Last action
Exited
2024Q3
Current $133.09
Number of shares
119,100 sh
Holdings current value
$8.9K
Avg closing price
$0.08
+99091.9%
Last action
Exited
2024Q1
Current $80.14
Number of shares
906,767 sh
Holdings current value
$6.9K
Avg closing price
$4.39
-18.1%
Last action
Exited
2024Q1
Current $3.60
Number of shares
61,465 sh
Holdings current value
$5.2K
Avg closing price
$0.08
+224697.4%
Last action
Exited
2024Q1
Current $184.44
Number of shares
38,656 sh
Holdings current value
$4.2K
Avg closing price
$0.08
+354787.1%
Last action
Exited
2024Q2
Current $299.14
Number of shares
1,538,085 sh
Holdings current value
$4.1K
Avg closing price
$2.22
Last action
Exited
2023Q4
Current —
36
G4701H109IHS HOLDING LIMITED
0.12%
of portfolio
Number of shares
770,310 sh
Holdings current value
$3.4K
Avg closing price
$11.28
Last action
Exited
2024Q4
Current —
Number of shares
659,750 sh
Holdings current value
$3.0K
Avg closing price
$40.24
Last action
Exited
2024Q1
Current —
Number of shares
54,432 sh
Holdings current value
$3.0K
Avg closing price
$0.06
Last action
Exited
2024Q1
Current —
Number of shares
399,100 sh
Holdings current value
$1.2K
Avg closing price
$9.09
Last action
Exited
2023Q4
Current —
40
G65163100JOBY AVIATION INC
0.01%
of portfolio
Number of shares
22,492 sh
Holdings current value
$145
Avg closing price
$0.01
Last action
Exited
2025Q3
Current —
Number of shares
100,000 sh
Holdings current value
$80
Avg closing price
$10.52
Last action
Exited
2024Q1
Current —
Portfolio heatmap
Box size = % of portfolio · color = return since filing
SEAGATE TECHNOLOGY HLDNGS PL
2.17%
UBS GROUP AG
1.94%
17 more
4.38%
Sector exposure
Share of dollar value across the latest 13F report. Unclassified positions excluded.
- Technology4 pos$755K28.5%
- Consumer Cyclical3 pos$399K15.1%
- Healthcare7 pos$371K14.0%
- Communication Services6 pos$347K13.1%
- Industrials7 pos$261K9.8%
- Basic Materials1 pos$177K6.7%
- Consumer Defensive1 pos$169K6.4%
- Energy2 pos$99K3.7%
- Utilities2 pos$70K2.6%
- Real Estate2 pos$5K0.2%
(4.8% unclassified, excluded from %)