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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 274 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
5461 PUT PROFICIENT AUTO LOGISTICS IN 9,100.0 $62K NEW $6.81
5462 PUT DOUBLELINE INCOME SOLUTIONS 5,600.0 $62K NEW $11.06
5463 CALL SPRINKLR INC 12,000.0 $62K NEW $5.16
5464 ZD ZIFF DAVIS INC Communication Services 1,182.0 $62K NEW $52.37 +6.2%
5465 MLTX MOONLAKE IMMUNOTHERAPEUTICS Healthcare 3,179.0 $62K NEW $19.47 -19.8%
5466 CALL GENEDX HOLDINGS CORP 900.0 $62K NEW $68.65
5467 PUT ANTERIX INC 600.0 $62K NEW $102.94
5468 PUT CARPENTER TECHNOLOGY CORP 100.0 $62K NEW $616.84
5469 IWMI NEOS ETF TRUST 1,152.0 $62K NEW $53.52 -1.9%
5470 CALL UNIVERSAL HEALTH RLTY INCOME 1,400.0 $61K NEW $43.86
5471 PUT ACHIEVE LIFE SCIENCE INC 9,400.0 $61K NEW $6.53
5472 PUT HUB GROUP INC 1,400.0 $61K NEW $43.79
5473 MAZE MAZE THERAPEUTICS INC Healthcare 2,052.0 $61K NEW $29.84 -0.9%
5474 CALL VERSANT MEDIA GROUP INC 1,700.0 $61K NEW $36.01
5475 CALL BROOKDALE SR LIVING INC 3,800.0 $61K NEW $16.09
5476 VIRT VIRTU FINL INC Financial Services 1,022.0 $61K NEW $59.57 +10.4%
5477 CALL SCHWAB STRATEGIC TR 2,100.0 $61K NEW $28.96
5478 CALL AMERESCO INC 2,200.0 $61K NEW $27.60
5479 PUT MNTN INC 6,600.0 $61K NEW $9.20
5480 CALL VANGUARD MUN BD FDS 1,200.0 $61K NEW $50.58
Page 274 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%