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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 159 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
3161 CALL MEDLINE INC 21,100.0 $832K 0.00% NEW $39.44
3162 PUT VANECK ETF TRUST 9,400.0 $832K 0.00% NEW $88.50
3163 PUT MERCURY SYS INC 6,800.0 $832K 0.00% NEW $122.33
3164 CALL TIDAL TRUST II 19,500.0 $830K 0.00% NEW $42.59
3165 PUT TSS INC DEL 67,500.0 $830K 0.00% NEW $12.30
3166 CALL MONOLITHIC PWR SYS INC 600.0 $829K 0.00% NEW $1382.36
3167 MUX MCEWEN INC. Basic Materials 45,713.0 $829K 0.00% NEW $18.13 +12.6%
3168 COMP COMPASS INC Technology 67,175.0 $828K 0.00% NEW $12.33 -11.0%
3169 PUT UNITED STATES ANTIMONY CORP 113,900.0 $827K 0.00% NEW $7.26
3170 CALL INSPERITY INC 20,000.0 $826K 0.00% NEW $41.31
3171 CALL DYNEX CAP INC 63,000.0 $826K 0.00% NEW $13.11
3172 CALL ELEMENTAL RTY CORP 47,300.0 $826K 0.00% NEW $17.46
3173 ARI APOLLO COML REAL ESTATE FIN Real Estate 77,302.0 $826K 0.00% NEW $10.68 -35.9%
3174 PUT SPDR SERIES TRUST 12,100.0 $825K 0.00% NEW $68.22
3175 PUT SOUNDHOUND AI INC 127,500.0 $825K 0.00% NEW $6.47
3176 CALL KILROY REALTY CORP 22,000.0 $824K 0.00% NEW $37.47
3177 PUT INVESCO CURRENCYSHARES 14,600.0 $824K 0.00% NEW $56.44
3178 PUT BRIGHTHOUSE FINL INC 13,000.0 $823K 0.00% NEW $63.30
3179 CALL INVESTMENT MANAGERS SER TR I 28,300.0 $822K 0.00% NEW $29.06
3180 PUT LIBERTY GLOBAL LTD 72,300.0 $822K 0.00% NEW $11.37
Page 159 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%