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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,823 positions · $2,513,864,968 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in CERS

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Shares Held

Position Value (USD)

18 quarters on record
Report Date Value (USD) Shares
2026-03-31 $22,072 12,128
2025-12-31 $44,586 21,644
2024-09-30 $12,729 7,316
2024-06-30 $62,860 35,716
2024-03-31 $64,307 34,025
2023-12-31 $16,470 7,625
2023-09-30 $3,118 1,925
2022-12-31 $63,878 17,501
2022-09-30 $132,055 36,682
2022-06-30 $214,726 40,591
2022-03-31 $357,596 65,136
2021-12-31 $385,268 56,574
2021-09-30 $298,623 49,035
2021-06-30 $81,883 13,855
2021-03-31 $111,749 18,594
2020-12-31 $161,554 23,346
2020-09-30 $104,229 16,650
2020-03-31 $94,553 20,334