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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 5 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
81 — CALL QUALCOMM INC — 824,400.0 $152.3M 0.21% NEW — $184.79 —
82 — CALL VISTRA CORP — 954,800.0 $151.5M 0.21% NEW — $158.63 —
83 — CALL LIQUIDIA CORPORATION — 1,880,400.0 $149.9M 0.21% NEW — $79.73 —
84 — CALL KRANESHARES TRUST — 5,946,900.0 $145.5M 0.20% NEW — $24.47 —
85 — PUT FIRST SOLAR INC — 616,600.0 $145.5M 0.20% NEW — $235.96 —
86 — PUT GE VERNOVA INC — 122,700.0 $144.2M 0.20% NEW — $1174.86 —
87 — CALL ECHOSTAR CORP — 1,418,400.0 $144.0M 0.20% NEW — $101.50 —
88 — CALL CAMECO CORP — 1,399,800.0 $142.6M 0.20% NEW — $101.86 —
89 — CALL VERTIV HOLDINGS CO — 421,400.0 $141.1M 0.20% NEW — $334.82 —
90 — PUT LAM RESEARCH CORP — 322,600.0 $139.8M 0.20% NEW — $433.33 —
91 — CALL CROWDSTRIKE HLDGS INC — 183,100.0 $139.7M 0.20% NEW — $763.14 —
92 — CALL ISHARES TR — 216,700.0 $137.3M 0.19% NEW — $633.58 —
93 — PUT APPLIED MATLS INC — 189,600.0 $137.1M 0.19% NEW — $723.00 —
94 — CALL PALO ALTO NETWORKS INC — 401,300.0 $136.9M 0.19% NEW — $341.02 —
95 — CALL GE VERNOVA INC — 115,300.0 $135.5M 0.19% NEW — $1174.86 —
96 — CALL CITIGROUP INC — 945,300.0 $132.3M 0.19% NEW — $139.96 —
97 — PUT NRG ENERGY INC — 903,000.0 $131.9M 0.19% NEW — $146.06 —
98 — PUT SEAGATE TECHNOLOGY HLDNGS PL — 136,500.0 $131.7M 0.18% NEW — $965.00 —
99 — PUT BOEING CO — 603,600.0 $130.7M 0.18% NEW — $216.47 —
100 — PUT MARVELL TECHNOLOGY INC — 437,500.0 $130.3M 0.18% NEW — $297.89 —
Page 5 of 392  ·  7,824 positions

① 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%