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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 206 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
4101 CALL OVINTIV INC 5,800.0 $305K NEW $52.65
4102 PUT OVINTIV INC 5,800.0 $305K NEW $52.65
4103 PUT TRIUMPH FINANCIAL INC 4,000.0 $305K NEW $76.31
4104 CALL INSULET CORP 2,000.0 $304K NEW $152.25
4105 CALL ZHIHU INC 97,000.0 $304K NEW $3.13
4106 PUT SOCIEDAD QUIMICA Y MINERA DE 4,100.0 $304K NEW $74.04
4107 CPSH CPS TECHNOLOGIES CORP Technology 54,955.0 $303K NEW $5.52 -29.5%
4108 GILT GILAT SATELLITE NETWORKS LTD Technology 22,735.0 $303K NEW $13.31 -25.6%
4109 ENR ENERGIZER HLDGS INC Industrials 14,101.0 $302K NEW $21.44 +1.6%
4110 CALL PERFORMANCE FOOD GROUP CO 2,700.0 $302K NEW $111.79
4111 PUT HELMERICH & PAYNE INC 9,200.0 $301K NEW $32.74
4112 EVER EVERQUOTE INC Communication Services 12,624.0 $300K NEW $23.79 +6.9%
4113 CALL BLUE BIRD CORP 3,800.0 $300K NEW $78.96
4114 CALL REPUBLIC SVCS INC 1,400.0 $298K NEW $213.08
4115 CALL SS&C TECH HLDGS 4,800.0 $298K NEW $62.05
4116 CALL BUZZFEED INC 203,900.0 $298K NEW $1.46
4117 FLUTTER ENTMT PLC 2,911.0 $297K NEW $102.17
4118 GTM ZOOMINFO TECHNOLOGIES INC Technology 101,478.0 $297K NEW $2.93 +44.7%
4119 KOS KOSMOS ENERGY LTD Energy 140,799.0 $297K NEW $2.11 +35.5%
4120 CALL PROGYNY INC 10,300.0 $297K NEW $28.83
Page 206 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%