GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7B

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#StockSharesValue% PortfolioType
701
DHRDANAHER CORP DEL
4,000$435.0M3.44%Put
702
XLBSELECT SECTOR SPDR TR
7,506$435.0M3.44%
703
UBSUBS GROUP AG
27,600$434.0M3.43%Call
704
BYDBOYD GAMING CORP
12,800$433.0M3.42%Put
705
UNIVERSAL INS HLDGS INC
8,900$432.0M3.41%Call
706
CNX RESOURCES CORPORATION
30,200$432.0M3.41%Put
707
OWENS & MINOR INC NEW
26,100$431.0M3.41%Call
708
THSTREEHOUSE FOODS INC
9,005$431.0M3.41%
709
MERIT MED SYS INC
7,000$430.0M3.40%Put
710
COMPANIA DE MINAS BUENAVENTU
32,100$430.0M3.40%Call
711
MDGLMADRIGAL PHARMACEUTICALS INC
2,000$428.0M3.38%Call
712
LOGMEURLOGMEIN INC
4,800$428.0M3.38%
713
AMRXAMNEAL PHARMACEUTICALS INC
19,300$428.0M3.38%Call
714
PTCTPTC THERAPEUTICS INC
9,102$428.0M3.38%
715
RMDRESMED INC
3,700$427.0M3.37%Call
716
GRUBHUB INC
3,077$427.0M3.37%
717
CENTURY ALUM CO
35,600$426.0M3.37%Put
718
DGXQUEST DIAGNOSTICS INC
3,937$425.0M3.36%
719
VGREURVECTOR GROUP LTD
30,785$424.0M3.35%
720
INTERSECT ENT INC
14,700$423.0M3.34%Put
721
FINISAR CORP
22,200$423.0M3.34%Call
722
PDFSPDF SOLUTIONS INC
46,800$423.0M3.34%Put
723
SA2DSANDRIDGE ENERGY INC
38,929$423.0M3.34%
724
STERICYCLE INC
7,200$423.0M3.34%Put
725
CAHCARDINAL HEALTH INC
7,800$421.0M3.33%Put
726
TALLGRASS ENERGY LP
17,800$420.0M3.32%Call
727
EQTEQT CORP
9,494$420.0M3.32%
728
SWITCH INC
38,800$419.0M3.31%Call
729
KIMCO RLTY CORP
25,000$419.0M3.31%Put
730
NHTCNATURAL HEALTH TRENDS CORP
18,000$419.0M3.31%Call
731
AMERICAN ELEC PWR INC
5,900$418.0M3.30%Call
732
MMYTMAKEMYTRIP LIMITED MAURITIUS
15,218$418.0M3.30%
733
SYNTEL INC
10,200$418.0M3.30%Put
734
DISHDISH NETWORK CORP
11,673$417.0M3.30%
735
BLUCORA INC
10,300$415.0M3.28%Call
736
ELDORADO GOLD CORP NEW
469,900$415.0M3.28%Call
737
DISCAUSDDISCOVERY INC
12,971$415.0M3.28%
738
LDOSLEIDOS HLDGS INC
5,985$414.0M3.27%
739
SOHUSOHU COM LTD
20,826$414.0M3.27%
740
SLBSCHLUMBERGER LTD
6,800$414.0M3.27%Call
741
MYGNMYRIAD GENETICS INC
9,000$414.0M3.27%Put
742
VIRTU FINL INC
20,200$413.0M3.26%Put
743
AZTABROOKS AUTOMATION INC
11,800$413.0M3.26%Call
744
ATLANTICA YIELD PLC
20,000$412.0M3.26%Call
745
CRNTCERAGON NETWORKS LTD
122,248$412.0M3.26%
746
U6ZURANIUM ENERGY CORP
238,690$411.0M3.25%
747
ZNGAEURZYNGA INC
102,396$411.0M3.25%
748
ASHASHLAND GLOBAL HLDGS INC
4,900$411.0M3.25%Put
749
WTWISDOMTREE INVTS INC
48,300$410.0M3.24%Call
750
CENTURY CMNTYS INC
15,600$410.0M3.24%Put
751
URIUNITED RENTALS INC
2,500$409.0M3.23%Put
752
MPLXMPLX LP
11,800$409.0M3.23%Call
753
GLWCORNING INC
11,600$409.0M3.23%Put
754
ATLAS AIR WORLDWIDE HLDGS IN
6,400$408.0M3.22%Put
755
VSATVIASAT INC
6,360$407.0M3.22%
756
ESPRESPERION THERAPEUTICS INC NE
9,183$407.0M3.22%
757
MARVELL TECHNOLOGY GROUP LTD
21,100$407.0M3.22%Call
758
NXSTNEXSTAR MEDIA GROUP INC
5,000$407.0M3.22%Put
759
ADAMAS PHARMACEUTICALS INC
20,265$406.0M3.21%
760
RWTREDWOOD TR INC
25,000$406.0M3.21%Call
761
MXLMAXLINEAR INC
20,358$405.0M3.20%
762
UMPQUA HLDGS CORP
19,400$404.0M3.19%Put
763
ATHENE HLDG LTD
7,774$402.0M3.18%
764
CPRTCOPART INC
7,800$402.0M3.18%Call
765
MPAAMOTORCAR PTS AMER INC
17,116$401.0M3.17%
766
GBTUSDGLOBAL BLOOD THERAPEUTICS IN
10,556$401.0M3.17%
767
COMSTOCK RES INC
47,700$400.0M3.16%Put
768
OMFONEMAIN HLDGS INC
11,900$400.0M3.16%Put
769
ARCPEURVEREIT INC
55,063$400.0M3.16%
770
PYXUS INTL INC
17,400$400.0M3.16%Put
771
DIEBOLD NXDF INC
88,900$400.0M3.16%Call
772
TSNTYSON FOODS INC
6,700$399.0M3.15%Put
773
2U INC
5,300$399.0M3.15%Call
774
LANNET INC
84,000$399.0M3.15%Put
775
ZYNERBA PHARMACEUTICALS INC
48,804$398.0M3.14%
776
ICEINTERCONTINENTAL EXCHANGE IN
5,300$397.0M3.14%Put
777
WMTWALMART INC
4,230$397.0M3.14%
778
MELLANOX TECHNOLOGIES LTD
5,400$397.0M3.14%Put
779
COHERENT INC
2,300$396.0M3.13%Put
780
NGNOVAGOLD RES INC
106,662$396.0M3.13%
781
MAKEMYTRIP LIMITED MAURITIUS
14,400$395.0M3.12%Put
782
ODFLOLD DOMINION FGHT LINES INC
2,445$394.0M3.11%
783
CVICVR ENERGY INC
9,800$394.0M3.11%Put
784
TALLGRASS ENERGY LP
16,700$394.0M3.11%Put
785
DEL FRISCOS RESTAURANT GROUP
47,300$393.0M3.11%Put
786
OKEONEOK INC NEW
5,800$393.0M3.11%Put
787
ATLANTIC PWR CORP
178,600$393.0M3.11%Put
788
ECLECOLAB INC
2,500$392.0M3.10%Put
789
LENLENNAR CORP
8,400$392.0M3.10%Call
790
SPGIS&P GLOBAL INC
2,000$391.0M3.09%Call
791
SRNESORRENTO THERAPEUTICS INC
88,860$391.0M3.09%
792
ACELRX PHARMACEUTICALS INC
101,300$390.0M3.08%Put
793
ALRMALARM COM HLDGS INC
6,800$390.0M3.08%Call
794
TKCTURKCELL ILETISIM HIZMETLERI
80,729$389.0M3.07%
795
CXWCORECIVIC INC
16,000$389.0M3.07%Call
796
ZYNERBA PHARMACEUTICALS INC
47,400$387.0M3.06%Put
797
22ND CENTY GROUP INC
137,400$386.0M3.05%Put
798
AMRSEURAMYRIS INC
48,588$386.0M3.05%
799
AMPHENOL CORP NEW
4,100$385.0M3.04%Put
800
MCMOELIS & CO
7,000$384.0M3.03%Call
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