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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 64 of 392  ·  7,824 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1261 BL BLACKLINE INC Technology 230,780.0 $6.5M 0.01% NEW $28.07 +13.4%
1262 CALL IRIDIUM COMMUNICATIONS INC 118,000.0 $6.5M 0.01% NEW $54.85
1263 CALL APTIV PLC 105,400.0 $6.5M 0.01% NEW $61.38
1264 CALL VIRGIN GALACTIC HOLDINGS INC 2,236,700.0 $6.5M 0.01% NEW $2.89
1265 CALL GENMAB A/S 235,200.0 $6.5M 0.01% NEW $27.47
1266 OKTA OKTA INC Technology 47,314.0 $6.5M 0.01% NEW $136.45 -1.0%
1267 CALL LOWES COS INC 29,200.0 $6.4M 0.01% NEW $220.49
1268 PUT ENPHASE ENERGY INC 130,700.0 $6.4M 0.01% NEW $49.24
1269 CALL WEATHERFORD INTL PLC 78,900.0 $6.4M 0.01% NEW $81.50
1270 PUT TAPESTRY INC 43,900.0 $6.4M 0.01% NEW $146.38
1271 PUT PAYCOM SOFTWARE INC 51,100.0 $6.4M 0.01% NEW $125.68
1272 CALL INVESCO LTD 243,100.0 $6.4M 0.01% NEW $26.39
1273 CALL BANCO SANTANDER SA 464,700.0 $6.4M 0.01% NEW $13.80
1274 CALL ERASCA INC 350,000.0 $6.4M 0.01% NEW $18.32
1275 CALL ALLY FINL INC 139,400.0 $6.4M 0.01% NEW $45.95
1276 CALL SELECT SECTOR SPDR TR 34,500.0 $6.4M 0.01% NEW $185.23
1277 UNM UNUM GROUP Financial Services 71,442.0 $6.4M 0.01% NEW $89.40 -1.8%
1278 PUT DIREXION SHARES ETF TRUST 54,300.0 $6.4M 0.01% NEW $117.62
1279 CALL INSMED INC 59,900.0 $6.4M 0.01% NEW $106.62
1280 CALL WARRIOR MET COAL INC 78,600.0 $6.4M 0.01% NEW $81.16
Page 64 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%