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
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
-$225K
Lifetime buys
$1.70B
Lifetime sells
$2.34B
Quarter activity
What changed in 2023Q4 — net new, added, trimmed, exited.
New positions20 names
- ANETEURARISTA NETWORKS INC+234,185$55K
- WWDWOODWARD INC+404,635$55K
- SGITEMPUR SEALY INTL INC+749,100$38K
- Y2573FFLEX LTD+1,134,400$35K
- ABXBARRICK GOLD CORP+1,758,300$32K
- BAHBOOZ ALLEN HAMILTON HLDG COR+235,800$30K
- MRVLMARVELL TECHNOLOGY INC+363,585$22K
- FCXFREEPORT-MCMORAN INC+471,535$20K
- NEMNEWMONT CORP+474,250$20K
- PANWPALO ALTO NETWORKS INC+64,715$19K
- PSTGPURE STORAGE INC+531,247$19K
- GTMZOOMINFO TECHNOLOGIES INC+924,100$17K
- + 8 more…
Added to13 names
- G7997RSEAGATE TECHNOLOGY HLDNGS PL+1,201,065$103K
- TECKTECK RESOURCES LTD+1,418,925$60K
- KBRKBR INC+652,877$36K
- CPNGCOUPANG INC+2,011,075$33K
- MSFTMICROSOFT CORP+68,860$26K
- TKOTKO GROUP HOLDINGS INC+265,270$22K
- VRTVERTIV HOLDINGS CO+427,250$21K
- CCJCAMECO CORP+462,885$20K
- VSTVISTRA CORP+396,500$15K
- OPCHOPTION CARE HEALTH INC+250,865$8K
- H42097UBS GROUP AG+231,290$7K
- LPXLOUISIANA PAC CORP+80,700$6K
- + 1 more…
Trimmed5 names
Exited11 names
- GOOGLALPHABET INC−838,375$110K
- TMUST-MOBILE US INC−756,675$106K
- BLDRBUILDERS FIRSTSOURCE INC−460,755$57K
- AVGOBROADCOM INC−51,956$43K
- BABAALIBABA GROUP HLDG LTD−307,500$27K
- DHRDANAHER CORPORATION−76,040$19K
- AMZNAMAZON COM INC−136,690$17K
- H8817HTRANSOCEAN LTD−1,844,175$15K
- JJACOBS SOLUTIONS INC−74,415$10K
- OPENOPENDOOR TECHNOLOGIES INC−1,538,085$4K
- COMPCOMPASS INC−399,100$1K
Recent transactions
Last 20 moves
TRIM
AEVA TECHNOLOGIES INC
−14,452
~$0.01 · 2025Q4
2026-02-17
SOLD
DICKS SPORTING GOODS INC
−132,425
~$0.22 · 2025Q4
2026-02-17
NEW
BLOOM ENERGY CORP
+740,545
~$0.09 · 2025Q4
2026-02-17
ADD
CHIPOTLE MEXICAN GRILL INC
+158,725
~$0.04 · 2025Q4
2026-02-17
SOLD
SEAGATE TECHNOLOGY HLDNGS PL
−85,900
~$0.24 · 2025Q4
2026-02-17
SOLD
CAPITAL ONE FINL CORP
−43,920
~$0.21 · 2025Q4
2026-02-17
SOLD
CARPENTER TECHNOLOGY CORP
−220,035
~$0.25 · 2025Q4
2026-02-17
TRIM
CLEVELAND-CLIFFS INC NEW
−969,380
~$0.01 · 2025Q4
2026-02-17
ADD
COGENT BIOSCIENCES INC
+1,154,890
~$0.04 · 2025Q4
2026-02-17
