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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 277 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
5521 ROP ROPER TECHNOLOGIES INC Industrials 173.0 $59K NEW $338.39 +22.1%
5522 PUT MIRUM PHARMACEUTICALS INC 500.0 $59K NEW $117.07
5523 LH LABCORP HOLDINGS INC Healthcare 209.0 $59K NEW $280.00 +19.9%
5524 CALL KARTOON STUDIOS INC. 82,400.0 $59K NEW $0.71
5525 PUT GREEN PLAINS INC 3,800.0 $58K NEW $15.38
5526 CALL POWER SOLUTIONS INTL INC 1,500.0 $58K NEW $38.89
5527 PPC PILGRIMS PRIDE CORP Consumer Defensive 2,072.0 $58K NEW $28.11 +11.3%
5528 PUT ARIS MINING CORPORATION 3,900.0 $58K NEW $14.91
5529 BITU PROSHARES TR 7,154.0 $58K NEW $8.12 +70.1%
5530 AWK AMERICAN WTR WKS CO INC NEW Utilities 441.0 $58K NEW $131.58 +4.5%
5531 CALL EPR PPTYS 1,000.0 $58K NEW $58.01
5532 PUT GALECTIN THERAPEUTICS INC 12,500.0 $58K NEW $4.64
5533 CALL HUNT J B TRANS SVCS INC 200.0 $58K NEW $289.43
5534 CALL AMER STATES WTR CO 700.0 $58K NEW $82.63
5535 CALL MEDIAALPHA INC 4,600.0 $58K NEW $12.57
5536 FRT FEDERAL RLTY INVT TR NEW Real Estate 468.0 $58K NEW $123.44 -4.7%
5537 CALL VALMONT INDS INC 100.0 $58K NEW $577.60
5538 VINFAST AUTO LTD 18,499.0 $58K NEW $3.12
5539 STAA STAAR SURGICAL CO Healthcare 2,009.0 $58K NEW $28.69 -20.3%
5540 ANNX ANNEXON INC Healthcare 10,087.0 $58K NEW $5.71 -12.6%
Page 277 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%