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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 258 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
5141 CALL SIGA TECHNOLOGIES INC 25,400.0 $92K NEW $3.64
5142 AX AXOS FINANCIAL INC Financial Services 948.0 $92K NEW $97.39 -0.0%
5143 PUT GENIUS SPORTS LIMITED 15,200.0 $92K NEW $6.06
5144 PUT OREILLY AUTOMOTIVE INC 1,000.0 $92K NEW $92.09
5145 PUT BUILD-A-BEAR WORKSHOP INC 3,000.0 $92K NEW $30.61
5146 CALL CMS ENERGY CORP 1,200.0 $92K NEW $76.50
5147 HAFN HAFNIA LTD Industrials 13,806.0 $92K NEW $6.64 +24.8%
5148 INVESTMENT MANAGERS SER TR I 2,893.0 $91K NEW $31.61
5149 CALL ROBOSTRATEGY INC 2,300.0 $91K NEW $39.75
5150 PUT GRAYSCALE BITCOIN TRUST ETF 2,000.0 $91K NEW $45.52
5151 CALL PROSHARES TR 7,100.0 $91K NEW $12.81
5152 XOMA XOMA ROYALTY CORPORATION Healthcare 2,139.0 $91K NEW $42.50 -5.5%
5153 ACTG ACACIA RESH CORP Industrials 19,485.0 $91K NEW $4.66 -3.6%
5154 YMM FULL TRUCK ALLIANCE CO LTD Technology 11,182.0 $91K NEW $8.12 +8.0%
5155 CALL MARKETAXESS HLDGS INC 800.0 $91K NEW $113.49
5156 PUT BALLARD PWR SYS INC NEW 23,300.0 $91K NEW $3.89
5157 PUT TRX GOLD CORPORATION 109,500.0 $90K NEW $0.82
5158 HSBC HSBC HLDGS PLC Financial Services 950.0 $90K NEW $95.09 +8.2%
5159 PUT BRUKER CORP 1,500.0 $90K NEW $60.18
5160 PUT PERMIAN BASIN RTY TR 3,600.0 $90K NEW $25.04
Page 258 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%