Stanley Druckenmiller Duquesne Family Office
Stanley Druckenmiller is the founder of Duquesne Family Office and one of the most closely watched macro investors of his generation. He first became widely known as lead portfolio manager of the Quantum Fund alongside George Soros, including during the famous 1992 bet against the British pound. After returning outside capital, he has continued to invest with a flexible, top-down approach that blends macroeconomic views with concentrated equity and commodity positions.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Entegris
ENTG
|
+$125M |
| 2 |
Microsoft
MSFT
|
+$87.3M |
| 3 |
Insmed
INSM
|
+$67.6M |
| 4 |
Warner Bros
WBD
|
+$61M |
| 5 |
Restaurant Brands International
QSR
|
+$50.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Coupang
CPNG
|
+$133M |
| 2 |
Coherent
COHR
|
+$76.6M |
| 3 |
Woodward
WWD
|
+$50.9M |
| 4 |
Philip Morris
PM
|
+$49.7M |
| 5 |
Natera
NTRA
|
+$49.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Healthcare | 31.61% |
| 2 | Technology | 20.5% |
| 3 | Consumer Discretionary | 13.73% |
| 4 | Industrials | 10.55% |
| 5 | Financials | 5.05% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
76
Capital One
COF
$133B
| – | – |
-197,670
| Closed | -$35.4M |
|
77
CALL
Delta Air Lines
DAL
$60.1B
| – | – |
-949,500
| Closed | -$41.4M |
|
78
Flex
FLEX
$45B
| – | – |
-348,900
| Closed | -$11.5M |
|
79
Invivyd
IVVD
$210M
| – | – |
-571,425
| Closed | -$346K |
|
80
Impinj
PI
$5.49B
| – | – |
-108,475
| Closed | -$9.84M |
|
81
Ultragenyx Pharmaceutical
RARE
$2.53B
| – | – |
-85,445
| Closed | -$3.09M |
|
82
CALL
Seagate
STX
$183B
| – | – |
-246,500
| Closed | -$20.9M |
|
|
SWTX
83
DELISTED
SpringWorks Therapeutics
SWTX
| – | – |
-615,929
| Closed | -$27.2M |
|
84
Teck Resources
TECK
$32.7B
| – | – |
-431,545
| Closed | -$15.7M |
|
85
Tesla
TSLA
$1.29T
| – | – |
-18,838
| Closed | -$4.88M |
|
86
CALL
United Airlines
UAL
$42B
| – | – |
-226,000
| Closed | -$15.6M |
|
|
EXE
87
Expand Energy Corp
EXE
$21.6B
| – | – |
-97,700
| Closed | -$10.9M |
|
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Stanley Druckenmiller's Q2 2025 Portfolio in Review
As of Q2 2025, Stanley Druckenmiller held 87 positions worth $4.07B, up 33% from $3.06B the previous quarter. Its ten largest holdings account for 51% of the portfolio.
Stanley Druckenmiller deployed $339M of net new capital in Q2 2025, opening 35 new positions and adding to 13 existing holdings. Its largest new stake was Entegris: 1,645,885 shares worth $133M.
By sector, the portfolio is most concentrated in Healthcare at 32% of assets, down from 34% a quarter earlier, followed by Technology and Consumer Discretionary.
On the sell side, the largest reduction was Coupang, an estimated $133M trimmed.
- Stanley Druckenmiller's largest Q2 2025 buy was Entegris: 1,645,885 shares worth $133M.
- Stanley Druckenmiller added most to Insmed in Q2 2025, an estimated $67.6M increase.
- Stanley Druckenmiller's biggest Q2 2025 reduction was Coupang, cutting an estimated $133M.
- Stanley Druckenmiller fully exited Capital One in Q2 2025, selling an estimated $35.4M.
- Stanley Druckenmiller's ten largest holdings make up 51% of its $4.07B portfolio in Q2 2025.
- Stanley Druckenmiller opened 35 new positions and closed 18 in Q2 2025.
- Stanley Druckenmiller's portfolio value rose 33% quarter-over-quarter to $4.07B.
Based on Duquesne Family Office's 13F filing for Q2 2025, filed 15 Aug 2025.