GROUP ONE TRADING LLC Q2 2021 Filing
Filed August 10, 2021
Portfolio Value
$82.9B
Holdings
8,103
Report Date
Q2 2021
Filing Type
13F-HR
All Holdings (8,103 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 601 | NXENEXGEN ENERGY LTD | 146,479 | $601.0M | 0.72% | |
| 602 | —PERDOCEO ED CORP | 49,000 | $601.0M | 0.72% | Call |
| 603 | RILYB. RILEY FINANCIAL INC | 7,947 | $600.0M | 0.72% | |
| 604 | PLXPROTALIX BIOTHERAPEUTICS INC | 313,900 | $600.0M | 0.72% | Put |
| 605 | —EVOFEM BIOSCIENCES INC | 529,650 | $599.0M | 0.72% | |
| 606 | CMICUMMINS INC | 2,456 | $599.0M | 0.72% | |
| 607 | TRUPTRUPANION INC | 5,200 | $599.0M | 0.72% | Call |
| 608 | —TRILLIUM THERAPEUTICS INC | 61,800 | $599.0M | 0.72% | Put |
| 609 | HCCWARRIOR MET COAL INC | 34,800 | $599.0M | 0.72% | Put |
| 610 | —PAVMED INC | 93,562 | $599.0M | 0.72% | |
| 611 | TSTENARIS S A | 27,300 | $598.0M | 0.72% | Call |
| 612 | DIODDIODES INC | 7,485 | $597.0M | 0.72% | |
| 613 | IMAXIMAX CORP | 27,700 | $596.0M | 0.72% | Call |
| 614 | —ZYNERBA PHARMACEUTICALS INC | 112,512 | $595.0M | 0.72% | |
| 615 | CALMCAL MAINE FOODS INC | 16,400 | $594.0M | 0.72% | Put |
| 616 | —AETERNA ZENTARIS INC | 676,900 | $594.0M | 0.72% | Call |
| 617 | ADMAADMA BIOLOGICS INC | 371,426 | $594.0M | 0.72% | |
| 618 | OSWONESPAWORLD HOLDINGS LIMITED | 61,200 | $593.0M | 0.72% | Call |
| 619 | —SPORTSMANS WHSE HLDGS INC | 33,300 | $592.0M | 0.71% | Put |
| 620 | EBEVENTBRITE INC | 31,100 | $591.0M | 0.71% | Put |
| 621 | MRSHMARSH & MCLENNAN COS INC | 4,200 | $591.0M | 0.71% | Put |
| 622 | —RENESOLA LTD | 64,900 | $591.0M | 0.71% | Put |
| 623 | VFCV F CORP | 7,200 | $591.0M | 0.71% | Put |
| 624 | DVAXDYNAVAX TECHNOLOGIES CORP | 59,934 | $590.0M | 0.71% | |
| 625 | IBRXIMMUNITYBIO INC | 41,300 | $590.0M | 0.71% | Put |
| 626 | —PROTERRA INC | 34,500 | $590.0M | 0.71% | Put |
| 627 | MSTRMICROSTRATEGY INC | 887,500 | $589.7M | 0.71% | Call |
| 628 | TSTENARIS S A | 26,900 | $589.0M | 0.71% | Put |
| 629 | —QELL ACQUISITION CORP | 59,182 | $589.0M | 0.71% | |
| 630 | ELFE L F BEAUTY INC | 21,700 | $589.0M | 0.71% | Call |
| 631 | —GREENSKY INC | 105,900 | $588.0M | 0.71% | Call |
| 632 | —INTRUSION INC | 38,000 | $586.0M | 0.71% | Call |
| 633 | —AMPIO PHARMACEUTICALS INC | 350,202 | $585.0M | 0.71% | |
| 634 | —OWENS & MINOR INC NEW | 13,800 | $584.0M | 0.70% | Put |
| 635 | CHEFCHEFS WHSE INC | 18,342 | $584.0M | 0.70% | |
| 636 | —CALLAWAY GOLF CO | 17,300 | $584.0M | 0.70% | Put |
| 637 | MSCIMSCI INC | 1,093 | $583.0M | 0.70% | |
| 638 | HWKNHAWKINS INC | 17,800 | $583.0M | 0.70% | Call |
| 639 | FOLDAMICUS THERAPEUTICS INC | 60,500 | $583.0M | 0.70% | Put |
| 640 | CSTECAESARSTONE LTD | 39,400 | $582.0M | 0.70% | Put |
| 641 | INVHINVITATION HOMES INC | 15,600 | $582.0M | 0.70% | Put |
| 642 | —INTERPUBLIC GROUP COS INC | 17,900 | $582.0M | 0.70% | Call |
| 643 | UFSDOMTAR CORP | 10,586 | $582.0M | 0.70% | |
| 644 | SCSANTANDER CONSUMER USA HLDGS | 15,985 | $581.0M | 0.70% | |
| 645 | TBCHTURTLE BEACH CORP | 18,200 | $581.0M | 0.70% | Call |
| 646 | DAKTDAKTRONICS INC | 88,200 | $581.0M | 0.70% | Call |
| 647 | —APEX TECHNOLOGY ACQUISITION | 47,400 | $581.0M | 0.70% | Put |
| 648 | RGRSTURM RUGER & CO INC | 6,456 | $581.0M | 0.70% | |
| 649 | PTCPTC INC | 4,100 | $579.0M | 0.70% | Put |
| 650 | HMCHONDA MOTOR LTD | 18,000 | $579.0M | 0.70% | Put |
| 651 | ZVRAKEMPHARM INC | 45,200 | $579.0M | 0.70% | Put |
| 652 | —ATLAS AIR WORLDWIDE HLDGS IN | 8,500 | $579.0M | 0.70% | Call |
| 653 | OSISOSI SYSTEMS INC | 5,700 | $579.0M | 0.70% | Call |
| 654 | INCYINCYTE CORP | 6,875 | $578.0M | 0.70% | |
| 655 | ANABANAPTYSBIO INC | 22,300 | $578.0M | 0.70% | Put |
| 656 | CNXCNX RES CORP | 42,242 | $577.0M | 0.70% | |
| 657 | CRNTCERAGON NETWORKS LTD | 152,700 | $576.0M | 0.69% | Put |
| 658 | ZZILLOW GROUP INC | 4,700 | $576.0M | 0.69% | Put |
| 659 | TRTOOTSIE ROLL INDS INC | 16,999 | $576.0M | 0.69% | |
| 660 | RWTREDWOOD TR INC | 47,702 | $576.0M | 0.69% | |
| 661 | CHNGUSDCHANGE HEALTHCARE INC | 24,970 | $575.0M | 0.69% | |
| 662 | DMTKQDERMTECH INC | 13,841 | $575.0M | 0.69% | |
| 663 | UCTTULTRA CLEAN HLDGS INC | 10,700 | $575.0M | 0.69% | Call |
| 664 | —GOOSEHEAD INS INC | 4,500 | $573.0M | 0.69% | Call |
| 665 | BANCBANC OF CALIFORNIA INC | 32,600 | $572.0M | 0.69% | Call |
| 666 | —REVLON INC | 44,400 | $570.0M | 0.69% | Call |
| 667 | —ENLINK MIDSTREAM LLC | 89,200 | $570.0M | 0.69% | Put |
| 668 | FRPTFRESHPET INC | 3,500 | $570.0M | 0.69% | Call |
| 669 | TRHCEURTABULA RASA HEALTHCARE INC | 11,389 | $569.0M | 0.69% | |
| 670 | GWWGRAINGER W W INC | 1,300 | $569.0M | 0.69% | Put |
| 671 | ARCTARCTURUS THERAPEUTICS HLDGS | 16,800 | $569.0M | 0.69% | Call |
| 672 | —NOVAGOLD RES INC | 70,700 | $566.0M | 0.68% | Put |
| 673 | EATBRINKER INTL INC | 9,152 | $566.0M | 0.68% | |
| 674 | —PLURISTEM THERAPEUTICS INC | 143,000 | $566.0M | 0.68% | Put |
| 675 | ATENA10 NETWORKS INC | 50,272 | $566.0M | 0.68% | |
| 676 | —AQUA METALS INC | 188,400 | $565.0M | 0.68% | Call |
| 677 | —GTT COMMUNICATIONS INC | 232,400 | $565.0M | 0.68% | Put |
| 678 | TNDMTANDEM DIABETES CARE INC | 5,800 | $565.0M | 0.68% | Put |
| 679 | LOOPLOOP INDS INC | 45,765 | $564.0M | 0.68% | |
| 680 | SVMSILVERCORP METALS INC | 102,800 | $564.0M | 0.68% | Put |
| 681 | —COMMERCIAL VEH GROUP INC | 53,100 | $564.0M | 0.68% | Put |
| 682 | —LIMELIGHT NETWORKS INC | 178,597 | $563.0M | 0.68% | |
| 683 | —KINIKSA PHARMACEUTICALS LTD | 40,300 | $561.0M | 0.68% | Put |
| 684 | —GALLAGHER ARTHUR J & CO | 4,000 | $560.0M | 0.68% | Put |
| 685 | —SILK RD MED INC | 11,700 | $560.0M | 0.68% | Call |
| 686 | —ALEXCO RESOURCE CORP | 223,900 | $560.0M | 0.68% | Call |
| 687 | AVBAVALONBAY CMNTYS INC | 2,685 | $560.0M | 0.68% | |
| 688 | FTITECHNIPFMC PLC | 61,883 | $560.0M | 0.68% | |
| 689 | VRSKVERISK ANALYTICS INC | 3,200 | $559.0M | 0.67% | Call |
| 690 | —MUSTANG BIO INC | 168,500 | $559.0M | 0.67% | Put |
| 691 | —PENNSYLVANIA REAL ESTATE INV | 224,400 | $559.0M | 0.67% | Put |
| 692 | —YAMANA GOLD INC | 132,300 | $558.0M | 0.67% | Call |
| 693 | —INFRA AND ENERGY ALTRNTIVE I | 43,400 | $558.0M | 0.67% | Put |
| 694 | —EXPEDITORS INTL WASH INC | 4,400 | $557.0M | 0.67% | Call |
| 695 | TRTN-PATRITON INTL LTD | 10,625 | $556.0M | 0.67% | |
| 696 | BBWBUILD-A-BEAR WORKSHOP INC | 32,100 | $556.0M | 0.67% | Put |
| 697 | —MR COOPER GROUP INC | 16,800 | $555.0M | 0.67% | Call |
| 698 | FICOFAIR ISAAC CORP | 1,100 | $553.0M | 0.67% | Put |
| 699 | PSAPUBLIC STORAGE | 1,838 | $553.0M | 0.67% | |
| 700 | —PACWEST BANCORP DEL | 13,400 | $552.0M | 0.67% | Call |