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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 199 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
3961 PUT ALPHA TAU MEDICAL LTD 28,400.0 $357K 0.00% NEW $12.58
3962 CRL CHARLES RIV LABS INTL INC Healthcare 1,573.0 $357K 0.00% NEW $226.79 +27.0%
3963 CALL NRX PHARMACEUTICALS INC 87,200.0 $357K 0.00% NEW $4.09
3964 PUT DOMO INC 113,800.0 $356K 0.00% NEW $3.13
3965 LINE LINEAGE INC Real Estate 8,229.0 $356K 0.00% NEW $43.25 -10.3%
3966 CALL VOLATILITY SHS TR 16,300.0 $355K NEW $21.76
3967 PUT ROUNDHILL ETF TRUST 8,100.0 $355K NEW $43.77
3968 PUT LLOYDS BANKING GROUP PLC 60,800.0 $354K NEW $5.83
3969 CALL ALMONTY INDS INC 21,400.0 $354K NEW $16.56
3970 PUT ACADIA HEALTHCARE COMPANY IN 12,000.0 $354K NEW $29.53
3971 PUT TIDAL TRUST II 54,000.0 $354K NEW $6.56
3972 PUT ATRIUM THERAPEUTICS INC 26,300.0 $354K NEW $13.45
3973 CALL INFLARX NV 157,700.0 $353K NEW $2.24
3974 PUT HEALTHPEAK PROPERTIES INC 16,500.0 $353K NEW $21.40
3975 IT GARTNER INC Technology 2,722.0 $353K NEW $129.62 +52.8%
3976 PUT INVESCO ACTVELY MNGD ETC FD 22,200.0 $353K NEW $15.88
3977 UVIX VS TRUST Financial Services 113,933.0 $352K NEW $3.09 +1196.4%
3978 ALLT ALLOT LTD Technology 39,778.0 $352K NEW $8.85 -11.5%
3979 CALL PROSHARES TR 4,100.0 $352K NEW $85.80
3980 CALL QUINCE THERAPEUTICS INC 19,300.0 $351K NEW $18.19
Page 199 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%