GROUP ONE TRADING, L.P.

CIK
0000932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,696 positions · $2,841,817,591 total · as of Dec 31, 2025
Ticker Company Shares Value (USD) % of Portfolio
IREN
IREN Ltd
Financial Services
1,181,644 $44,630,693 1.57%
WBD
Warner Bros. Discovery, Inc.
Communication Services
1,534,831 $44,233,829 1.56%
TIGR
UP Fintech Holding Ltd
Financial Services
4,247,722 $40,608,222 1.43%
NN
Nextnav Inc.
Technology
2,136,693 $35,554,571 1.25%
AMD
Advanced Micro Devices Inc
Technology
150,696 $32,273,055 1.14%
MAR
Marriott International Inc /Md/
Consumer Cyclical
98,510 $30,561,742 1.08%
SOFI
SoFi Technologies, Inc.
Financial Services
1,154,919 $30,235,779 1.06%
CYTK
Cytokinetics Inc
Healthcare
407,253 $25,876,855 0.91%
AG
First Majestic Silver Corp
Basic Materials
1,452,576 $24,199,916 0.85%
DAL
Delta Air Lines, Inc.
Industrials
335,637 $23,293,207 0.82%

Portfolio Trend

30 quarters · across all stocks

Holdings in UDN

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Shares Held

Position Value (USD)

21 of 21 shown
Report Date Value (USD) Shares
2025-12-31 $139,463 7,646
2025-09-30 $31,354 1,666
2025-03-31 $237,662 13,542
2024-12-31 $74,543 4,461
2024-09-30 $65,816 3,475
2024-06-30 $140,962 7,875
2024-03-31 $178,262 9,909
2023-12-31 $370,350 20,095
2023-09-30 $16,073 875
2023-03-31 $5,724 305
2022-12-31 $455,266 24,609
2022-09-30 $50,406 2,946
2022-06-30 $84,068 4,564
2022-03-31 $739,720 37,664
2021-12-31 $650,999 32,164
2021-09-30 $690,027 33,464
2021-06-30 $705,421 33,464
2021-03-31 $868,256 41,464
2020-12-31 $540,244 24,816
2020-09-30 $301,150 14,416
2020-03-31 $52,087 2,607