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Portfolio (Quarterly) Guide ↗

GROUP ONE TRADING LLC

· CIK 0000932540
13F Portfolio $71.1B AUM 8,032 positions Filed Aug 14, 2026 EDGAR ↗ ← All Funds
Q2 2026 · All 7824 New
Page 334 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
6661 AVEX AEVEX CORP Industrials 504.0 $11K NEW $20.89 -12.4%
6662 PUT NIAGEN BIOSCIENCE INC 3,300.0 $11K NEW $3.19
6663 CALL ALKERMES PLC 200.0 $10K NEW $52.40
6664 PUT UNITED STS LIME & MINERALS I 100.0 $10K NEW $104.67
6665 PUT VEON LTD 200.0 $10K NEW $52.21
6666 OOMA OOMA INC Communication Services 543.0 $10K NEW $19.22 +14.6%
6667 CDXS CODEXIS INC Healthcare 4,609.0 $10K NEW $2.26 -26.1%
6668 CALL INVESCO EXCHANGE TRADED FD T 100.0 $10K NEW $104.10
6669 EDC DIREXION SHARES ETF TRUST 117.0 $10K NEW $88.93 -10.3%
6670 VOLATILITY SHS TR 478.0 $10K NEW $21.76
6671 CALL ETF OPPORTUNITIES TRUST 400.0 $10K NEW $26.00
6672 PUT MIMEDX GROUP INC 2,700.0 $10K NEW $3.85
6673 CALL CINGULATE INC 1,900.0 $10K NEW $5.47
6674 GOGO GOGO INC Communication Services 3,345.0 $10K NEW $3.10 -13.6%
6675 CALL PORTLAND GEN ELEC CO 200.0 $10K NEW $51.83
6676 CALL OLD NATL BANCORP IND 400.0 $10K NEW $25.90
6677 PUT VANECK ETF TRUST 1,000.0 $10K NEW $10.36
6678 PUT PROSHARES TR 500.0 $10K NEW $20.68
6679 CALL BROADSTONE NET LEASE INC 500.0 $10K NEW $20.67
6680 PUT ATYR PHARMA INC 17,300.0 $10K NEW $0.60
Page 334 of 392  ·  7,824 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 30.7%
Consumer Cyclical 13.4%
Healthcare 12.8%
Financial Services 9.6%
Industrials 9.3%
Basic Materials 7.0%
Energy 5.5%
Communication Services 5.3%
Consumer Defensive 3.7%
Utilities 1.7%