GROUP ONE TRADING LLC Q2 2019 Filing

Filed August 9, 2019

Portfolio Value

$11.1B

Holdings

4,933

Report Date

Q2 2019

Filing Type

13F-HR

All Holdings (4,933 positions)

#StockSharesValue% PortfolioType
601
HLFHERBALIFE NUTRITION LTD
11,000$470.0M4.25%Call
602
ALTERYX INC
4,300$469.0M4.24%Call
603
IMMUNOMEDICS INC
33,778$469.0M4.24%
604
KRNTKORNIT DIGITAL LTD
14,817$469.0M4.24%
605
CWHCAMPING WORLD HLDGS INC
37,700$468.0M4.23%Call
606
SOGOU INC
113,100$464.0M4.20%Put
607
BEACON ROOFING SUPPLY INC
12,600$463.0M4.19%Call
608
MERCMERCER INTL INC
29,900$463.0M4.19%Put
609
BRSLINTERNATIONAL GAME TECHNOLOG
35,700$463.0M4.19%Call
610
AQUA AMERICA INC
11,200$463.0M4.19%Call
611
THOR INDS INC
7,900$462.0M4.18%Put
612
EPCEDGEWELL PERS CARE CO
17,089$461.0M4.17%
613
OCWEN FINL CORP
222,400$460.0M4.16%Call
614
CLWCLEARWATER PAPER CORP
24,900$460.0M4.16%Call
615
NOVAGOLD RES INC
77,600$459.0M4.15%Put
616
YEXTYEXT INC
22,800$458.0M4.14%Call
617
ORLYO REILLY AUTOMOTIVE INC NEW
1,238$457.0M4.14%
618
GEOGEO GROUP INC NEW
21,700$456.0M4.13%Put
619
SONOSONOS INC
40,093$455.0M4.12%
620
SORRENTO THERAPEUTICS INC
170,500$455.0M4.12%Put
621
UCTTULTRA CLEAN HLDGS INC
32,621$454.0M4.11%
622
LUMBER LIQUIDATORS HLDGS INC
39,200$453.0M4.10%Put
623
PARSLEY ENERGY INC
23,700$451.0M4.08%Put
624
AXTAAXALTA COATING SYS LTD
15,100$450.0M4.07%Put
625
SKTTANGER FACTORY OUTLET CTRS I
27,700$449.0M4.06%Put
626
HI CRUSH INC
182,400$449.0M4.06%Call
627
INGING GROEP N V
38,700$448.0M4.05%Call
628
OPTUALTICE USA INC
18,416$448.0M4.05%
629
CRSPCRISPR THERAPEUTICS AG
9,500$447.0M4.04%Put
630
EDGEWELL PERS CARE CO
16,600$447.0M4.04%Put
631
ERFGBPENERPLUS CORP
59,245$446.0M4.04%
632
HBANHUNTINGTON BANCSHARES INC
32,200$445.0M4.03%Put
633
SUMMIT MATLS INC
23,100$445.0M4.03%Put
634
TELARIA INC
59,000$444.0M4.02%Call
635
ADT INC
72,600$444.0M4.02%Call
636
CXCEMEX SAB DE CV
104,500$443.0M4.01%Call
637
CORAMERISOURCEBERGEN CORP
5,200$443.0M4.01%Put
638
MNKDMANNKIND CORP
384,402$442.0M4.00%
639
CSI COMPRESSCO LP
124,800$442.0M4.00%Put
640
SENIOR HSG PPTYS TR
53,500$442.0M4.00%Call
641
INTREPID POTASH INC
131,100$441.0M3.99%Call
642
MNKDMANNKIND CORP
383,500$441.0M3.99%Call
643
CARBON BLACK INC
26,300$440.0M3.98%Call
644
BCLIEURBRAINSTORM CELL THERAPEUTICS
111,245$439.0M3.97%
645
BJRIBJS RESTAURANTS INC
10,000$439.0M3.97%Put
646
HUNHUNTSMAN CORP
21,500$439.0M3.97%Call
647
EEFTEURONET WORLDWIDE INC
2,605$438.0M3.96%
648
REDFIN CORP
24,300$437.0M3.95%Call
649
CAKECHEESECAKE FACTORY INC
10,000$437.0M3.95%Call
650
RUTHS HOSPITALITY GROUP INC
19,200$436.0M3.95%Call
651
ANIPANI PHARMACEUTICALS INC
5,300$436.0M3.95%Call
652
VEONVEON LTD
155,600$436.0M3.95%Put
653
GASLOG LTD
30,200$435.0M3.94%Call
654
OIIOCEANEERING INTL INC
21,300$434.0M3.93%Call
655
UPSUNITED PARCEL SERVICE INC
4,200$434.0M3.93%Put
656
FIREEYE INC
29,300$434.0M3.93%Call
657
TCXTUCOWS INC
7,100$433.0M3.92%Put
658
PLDPROLOGIS INC
5,400$433.0M3.92%Put
659
AT HOME GROUP INC
65,000$433.0M3.92%Put
660
CRBPCORBUS PHARMACEUTICALS HLDGS
62,500$433.0M3.92%Put
661
FEFIRSTENERGY CORP
10,100$432.0M3.91%Put
662
CWHCAMPING WORLD HLDGS INC
34,800$432.0M3.91%Put
663
TDOCTELADOC HEALTH INC
6,471$430.0M3.89%
664
CALLON PETE CO DEL
65,200$430.0M3.89%Call
665
KBHKB HOME
16,700$430.0M3.89%Call
666
HI CRUSH INC
174,900$430.0M3.89%
667
SCORPIO BULKERS INC
93,200$429.0M3.88%Call
668
OLLIOLLIES BARGAIN OUTLT HLDGS I
4,920$429.0M3.88%
669
CRAFT BREW ALLIANCE INC
30,649$429.0M3.88%
670
FTS INTERNATIONAL INC
76,900$429.0M3.88%Put
671
FIZZNATIONAL BEVERAGE CORP
9,600$428.0M3.87%Call
672
CALUMET SPECIALTY PRODS PTNR
101,900$427.0M3.86%Call
673
HEXO CORP
80,240$427.0M3.86%
674
CORTCORCEPT THERAPEUTICS INC
38,300$427.0M3.86%Call
675
DHRB & G FOODS INC NEW
20,546$427.0M3.86%
676
NPKINEWPARK RES INC
57,600$427.0M3.86%Put
677
NEW AGE BEVERAGES CORP
91,400$426.0M3.85%Call
678
CANADIAN NAT RES LTD
15,800$426.0M3.85%Put
679
AXOVANT GENE THERAPIES LTD
68,200$425.0M3.85%Call
680
SYNEOS HEALTH INC
8,300$424.0M3.84%Call
681
ARANTERO RES CORP
76,700$424.0M3.84%Put
682
KVHIKVH INDS INC
38,972$424.0M3.84%
683
CAHCARDINAL HEALTH INC
8,988$423.0M3.83%
684
XNETXUNLEI LTD
161,400$423.0M3.83%Call
685
BCEBCE INC
9,300$423.0M3.83%Call
686
ALXNALEXION PHARMACEUTICALS INC
3,226$423.0M3.83%
687
AVXLANAVEX LIFE SCIENCES CORP
125,113$422.0M3.82%
688
PARETEUM CORP
161,400$421.0M3.81%Call
689
NENOBLE CORP PLC
225,227$421.0M3.81%
690
AVID TECHNOLOGY INC
46,000$420.0M3.80%Call
691
JBHTHUNT J B TRANS SVCS INC
4,600$420.0M3.80%
692
MUSAMURPHY USA INC
5,000$420.0M3.80%Call
693
BALLBALL CORP
6,000$420.0M3.80%Call
694
PTCPTC INC
4,669$419.0M3.79%
695
CLVSEURCLOVIS ONCOLOGY INC
28,174$419.0M3.79%
696
HQYHEALTHEQUITY INC
6,400$419.0M3.79%Call
697
REALOGY HLDGS CORP
57,900$419.0M3.79%Call
698
SDSANDRIDGE ENERGY INC
60,500$419.0M3.79%Call
699
GMS INC
19,000$418.0M3.78%Call
700
TBCHTURTLE BEACH CORP
36,126$418.0M3.78%
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