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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 20 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
381 PUT WILLIAMS COS INC 417,000.0 $31.0M 0.04% NEW $74.34
382 CALL ANALOG DEVICES INC 77,800.0 $30.9M 0.04% NEW $397.17
383 CALL RTX CORPORATION 162,400.0 $30.8M 0.04% NEW $189.73
384 CALL ROBLOX CORP 566,000.0 $30.8M 0.04% NEW $54.38
385 CALL FISERV INC 625,900.0 $30.7M 0.04% NEW $49.05
386 PUT INVESCO EXCH TRADED FD TR II 1,500,500.0 $30.6M 0.04% NEW $20.37
387 CALL GENERAC HLDGS INC 104,000.0 $30.5M 0.04% NEW $292.81
388 PUT RIVIAN AUTOMOTIVE INC 1,746,800.0 $30.3M 0.04% NEW $17.35
389 PUT SELECT SECTOR SPDR TR 258,000.0 $30.3M 0.04% NEW $117.28
390 PUT VISTRA CORP 190,400.0 $30.2M 0.04% NEW $158.63
391 CALL VEEVA SYS INC 169,500.0 $30.1M 0.04% NEW $177.47
392 CALL SEZZLE INC 174,500.0 $29.9M 0.04% NEW $171.63
393 CALL FUTU HLDGS LTD 315,800.0 $29.6M 0.04% NEW $93.74
394 CALL VISA INC 86,200.0 $29.6M 0.04% NEW $343.09
395 PUT SLB LIMITED 635,400.0 $29.5M 0.04% NEW $46.49
396 CALL ON SEMICONDUCTOR CORP 310,900.0 $29.4M 0.04% NEW $94.54
397 CALL SEMTECH CORP 181,100.0 $29.3M 0.04% NEW $161.85
398 CALL WATSCO INC 70,000.0 $29.2M 0.04% NEW $416.73
399 CALL MCKESSON CORP 38,500.0 $29.1M 0.04% NEW $755.60
400 PUT DIREXION SHARES ETF TRUST 461,200.0 $29.0M 0.04% NEW $62.84
Page 20 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 30.2%
Consumer Cyclical 13.2%
Healthcare 12.6%
Financial Services 11.0%
Industrials 9.1%
Basic Materials 6.9%
Energy 5.4%
Communication Services 5.2%
Consumer Defensive 3.6%
Utilities 1.6%