Filed: 8/14/2026ACC: 0001536411-26-000006
📋 What this filing means
DUQUESNE FAMILY OFFICE LLC filed this quarterly 13F‑HR report disclosing 90 equity positions with a total reported market value of $5.21M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
90
Positions
$5.21M
Total AUM (reported)
81.04M
Total Shares
Allocation by class
COM$2.33M44.8%
SPONSORED ADS$321.3K6.2%
COM PAR $.01$295.8K5.7%
MSCI BRAZIL ETF$264.4K5.1%
CL A COM$251.4K4.8%
NY REGISTRY$232.4K4.5%
S&P500 EQL WGT$190.5K3.7%
Portfolio Concentration
Top 3$1.44M27.7%
4–10$1.33M25.5%
11–25$1.28M24.5%
Rest$1.16M22.3%
Top 3 weight
27.7%
Top 10 weight
53.2%
Voting Authority Distribution
Total shares with voting rights: 81.04M
Sole
Full voting authority
81.04M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other90
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings90
Rows:
Natera Inc
DFNDShares3.19M
TypeSH
Market value$864.9K
16.60%
Sole
3.19M
Shared
0.00
None
0.00
Insmed Inc
DFNDShares2.77M
TypeSH
Market value$295.8K
5.68%
Sole
2.77M
Shared
0.00
None
0.00
Taiwan Semiconductor Manufac
DFNDShares589.68K
TypeSH
Market value$281.6K
5.40%
Sole
589.68K
Shared
0.00
None
0.00
Ishares Inc
DFNDShares7.66M
TypeSH
Market value$264.4K
5.07%
Sole
7.66M
Shared
0.00
None
0.00
Amazon Com Inc
DFNDShares1M
TypeSH
Market value$238.6K
4.58%
Sole
1M
Shared
0.00
None
0.00
Stmicroelectronics N V
DFNDShares3.10M
TypeSH
Market value$232.4K
4.46%
Sole
3.10M
Shared
0.00
None
0.00
Invesco Exchange Traded Fd T
DFNDShares895.40K
TypeSH
Market value$190.5K
3.66%
Sole
895.40K
Shared
0.00
None
0.00
Ypf Sociedad Anonima
DFNDShares3.14M
TypeSH
Market value$142.7K
2.74%
Sole
3.14M
Shared
0.00
None
0.00
Cdw Corp
DFNDShares993.95K
TypeSH
Market value$139.8K
2.68%
Sole
993.95K
Shared
0.00
None
0.00
Bbb Foods Inc
DFNDShares2.90M
TypeSH
Market value$120.9K
2.32%
Sole
2.90M
Shared
0.00
None
0.00
Alphabet Inc
DFNDShares336.30K
TypeSH
Market value$120.2K
2.31%
Sole
336.30K
Shared
0.00
None
0.00
Seagate Technology Hldngs Pl
DFNDShares122K
TypeSH
Market value$117.7K
2.26%
Sole
122K
Shared
0.00
None
0.00
Fox Corp
DFNDShares2.20M
TypeSH
Market value$115.0K
2.21%
Sole
2.20M
Shared
0.00
None
0.00
United Airls Hldgs Inc
DFNDShares794.79K
TypeSH
Market value$108.1K
2.07%
Sole
794.79K
Shared
0.00
None
0.00
Sea Ltd
DFNDShares1.10M
TypeSH
Market value$105.4K
2.02%
Sole
1.10M
Shared
0.00
None
0.00
Newamsterdam Pharma Company
DFNDShares3.07M
TypeSH
Market value$104.0K
2.00%
Sole
3.07M
Shared
0.00
None
0.00
Ishares Tr
DFNDShares330K
TypeSH
Market value$99.1K
1.90%
Sole
330K
Shared
0.00
None
0.00
Sandisk Corp
DFNDShares34.90K
TypeSH
Market value$79.4K
1.52%
Sole
34.90K
Shared
0.00
None
0.00
Revolution Medicines Inc
DFNDShares399.59K
TypeSH
Market value$74.8K
1.44%
Sole
399.59K
Shared
0.00
None
0.00
State Str Spdr S&P 500 Etf T
DFNDShares90K
TypeSH
Market value$67.2K
1.29%
Sole
90K
Shared
0.00
None
0.00
Bitdeer Technologies Group
DFNDShares4.07M
TypeSH
Market value$64.7K
1.24%
Sole
4.07M
Shared
0.00
None
0.00
Crh Plc
DFNDShares553.55K
TypeSH
Market value$59.2K
1.14%
Sole
553.55K
Shared
0.00
None
0.00
Delta Air Lines Inc
DFNDShares603K
TypeSH
Market value$56.5K
1.08%
Sole
603K
Shared
0.00
None
0.00
Tesla Inc
DFNDShares126K
TypeSH
Market value$53.0K
1.02%
Sole
126K
Shared
0.00
None
0.00
Fluor Corp
DFNDShares982.20K
TypeSH
Market value$51.5K
0.99%
Sole
982.20K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Natera IncDFND | COM | 3.19M | SH | $864.9K 16.60% | 3.19M | 0.00 | 0.00 |
Insmed IncDFND | COM PAR $.01 | 2.77M | SH | $295.8K 5.68% | 2.77M | 0.00 | 0.00 |
Taiwan Semiconductor ManufacDFND | SPONSORED ADS | 589.68K | SH | $281.6K 5.40% | 589.68K | 0.00 | 0.00 |
Ishares IncDFND | MSCI BRAZIL ETF | 7.66M | SH | $264.4K 5.07% | 7.66M | 0.00 | 0.00 |
Amazon Com IncDFND | COM | 1M | SH | $238.6K 4.58% | 1M | 0.00 | 0.00 |
Stmicroelectronics N VDFND | NY REGISTRY | 3.10M | SH | $232.4K 4.46% | 3.10M | 0.00 | 0.00 |
Invesco Exchange Traded Fd TDFND | S&P500 EQL WGT | 895.40K | SH | $190.5K 3.66% | 895.40K | 0.00 | 0.00 |
Ypf Sociedad AnonimaDFND | SPON ADR CL D | 3.14M | SH | $142.7K 2.74% | 3.14M | 0.00 | 0.00 |
Cdw CorpDFND | COM | 993.95K | SH | $139.8K 2.68% | 993.95K | 0.00 | 0.00 |
Bbb Foods IncDFND | CL A COM | 2.90M | SH | $120.9K 2.32% | 2.90M | 0.00 | 0.00 |
Alphabet IncDFND | CAP STK CL A | 336.30K | SH | $120.2K 2.31% | 336.30K | 0.00 | 0.00 |
Seagate Technology Hldngs PlDFND | ORD SHS | 122K | SH | $117.7K 2.26% | 122K | 0.00 | 0.00 |
Fox CorpDFND | CL A COM | 2.20M | SH | $115.0K 2.21% | 2.20M | 0.00 | 0.00 |
United Airls Hldgs IncDFND | COM | 794.79K | SH | $108.1K 2.07% | 794.79K | 0.00 | 0.00 |
Sea LtdDFND | SPONSORD ADS | 1.10M | SH | $105.4K 2.02% | 1.10M | 0.00 | 0.00 |
Newamsterdam Pharma CompanyDFND | ORDINARY SHARES | 3.07M | SH | $104.0K 2.00% | 3.07M | 0.00 | 0.00 |
Ishares TrDFND | RUSSELL 2000 ETF | 330K | SH | $99.1K 1.90% | 330K | 0.00 | 0.00 |
Sandisk CorpDFND | COM | 34.90K | SH | $79.4K 1.52% | 34.90K | 0.00 | 0.00 |
Revolution Medicines IncDFND | COM | 399.59K | SH | $74.8K 1.44% | 399.59K | 0.00 | 0.00 |
State Str Spdr S&P 500 Etf TDFND | TR UNIT | 90K | SH | $67.2K 1.29% | 90K | 0.00 | 0.00 |
Bitdeer Technologies GroupDFND | CL A ORD SHS | 4.07M | SH | $64.7K 1.24% | 4.07M | 0.00 | 0.00 |
Crh PlcDFND | ORD | 553.55K | SH | $59.2K 1.14% | 553.55K | 0.00 | 0.00 |
Delta Air Lines IncDFND | COM NEW | 603K | SH | $56.5K 1.08% | 603K | 0.00 | 0.00 |
Tesla IncDFND | COM | 126K | SH | $53.0K 1.02% | 126K | 0.00 | 0.00 |
Fluor CorpDFND | COM | 982.20K | SH | $51.5K 0.99% | 982.20K | 0.00 | 0.00 |
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