GROUP ONE TRADING LLC Q4 2018 Filing

Filed February 6, 2019

Portfolio Value

$11.5B

Holdings

4,844

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (4,844 positions)

#StockSharesValue% PortfolioType
601
HUNHUNTSMAN CORP
21,700$419.0M3.63%Put
602
WWAYFAIR INC
4,655$419.0M3.63%
603
DEDEERE & CO
2,800$418.0M3.62%Call
604
FNKOFUNKO INC
31,800$418.0M3.62%Put
605
XYLXYLEM INC
6,262$418.0M3.62%
606
MDGLMADRIGAL PHARMACEUTICALS INC
3,700$417.0M3.61%Put
607
DOMINION ENERGY MIDSTRM PRTN
23,100$417.0M3.61%Call
608
BHP GROUP PLC
9,953$417.0M3.61%
609
CARBO CERAMICS INC
119,600$416.0M3.61%Put
610
CROXCROCS INC
16,000$416.0M3.61%Put
611
TAKTAKEDA PHARMACEUTICAL CO LTD
24,600$414.0M3.59%Call
612
ICEINTERCONTINENTAL EXCHANGE IN
5,500$414.0M3.59%Put
613
FSLRFIRST SOLAR INC
9,732$413.0M3.58%
614
RWTREDWOOD TR INC
27,400$413.0M3.58%Call
615
CERSCERUS CORP
81,300$412.0M3.57%Call
616
JBLJABIL INC
16,600$412.0M3.57%Call
617
NIHDEURNII HLDGS INC
93,086$411.0M3.56%
618
G2CEVERI HLDGS INC
79,558$410.0M3.55%
619
KDPKEURIG DR PEPPER INC
15,938$409.0M3.55%
620
QUREUNIQURE NV
14,200$409.0M3.55%Call
621
FANG HLDGS LTD
286,278$409.0M3.55%
622
MCDMCDONALDS CORP
2,300$408.0M3.54%Call
623
PORTLAND GEN ELEC CO
8,900$408.0M3.54%Call
624
SEASPAN CORP
52,061$408.0M3.54%
625
UNMUNUM GROUP
13,850$407.0M3.53%
626
ACELRX PHARMACEUTICALS INC
175,557$406.0M3.52%
627
HBC2HSBC HLDGS PLC
9,867$406.0M3.52%
628
CALLON PETE CO DEL
62,600$406.0M3.52%Call
629
CXCEMEX SAB DE CV
83,800$404.0M3.50%Call
630
ACCELERATE DIAGNOSTICS INC
35,069$403.0M3.49%
631
SWITCH INC
57,500$403.0M3.49%Call
632
NLYANNALY CAP MGMT INC
41,000$403.0M3.49%Call
633
2U INC
8,100$403.0M3.49%Put
634
CLDRCLOUDERA INC
36,318$402.0M3.48%
635
CRNTCERAGON NETWORKS LTD
106,263$402.0M3.48%
636
HORTONWORKS INC
27,800$401.0M3.48%Call
637
COTT CORP QUE
28,700$400.0M3.47%Call
638
ISBCUSDINVESTORS BANCORP INC NEW
38,371$399.0M3.46%
639
TTENTOTAL S A
7,643$399.0M3.46%
640
ICHRICHOR HOLDINGS
24,300$396.0M3.43%Put
641
HBANHUNTINGTON BANCSHARES INC
33,200$396.0M3.43%Call
642
OPLNKAR AUCTION SVCS INC
8,300$396.0M3.43%Call
643
RMBSRAMBUS INC DEL
51,600$396.0M3.43%Call
644
PRTAPROTHENA CORP PLC
38,384$395.0M3.42%
645
AXSAXIS CAPITAL HOLDINGS LTD
7,588$392.0M3.40%
646
SOHUSOHU COM LTD
22,507$392.0M3.40%
647
PAYXPAYCHEX INC
6,000$391.0M3.39%Put
648
BRSLINTERNATIONAL GAME TECHNOLOG
26,700$391.0M3.39%Put
649
22ND CENTY GROUP INC
156,900$391.0M3.39%Call
650
EATBRINKER INTL INC
8,900$391.0M3.39%Call
651
PARTY CITY HOLDCO INC
39,200$391.0M3.39%Put
652
XINYUAN REAL ESTATE CO LTD
102,600$390.0M3.38%Put
653
MATADOR RES CO
25,100$390.0M3.38%Put
654
GROUPON INC
121,600$389.0M3.37%Put
655
SYYSYSCO CORP
6,200$388.0M3.36%Put
656
GTNGRAY TELEVISION INC
26,280$387.0M3.35%
657
TEN1TENNECO INC
14,137$387.0M3.35%
658
MXLMAXLINEAR INC
22,000$387.0M3.35%Call
659
IMMUNOGEN INC
80,600$387.0M3.35%Put
660
RENEWABLE ENERGY GROUP INC
15,000$386.0M3.35%Put
661
CYBRCYBERARK SOFTWARE LTD
5,200$386.0M3.35%Call
662
2L9BLUEPRINT MEDICINES CORP
7,158$386.0M3.35%
663
SHAKSHAKE SHACK INC
8,483$385.0M3.34%
664
TOLTOLL BROTHERS INC
11,700$385.0M3.34%Call
665
PUBLIC SVC ENTERPRISE GROUP
7,400$385.0M3.34%Put
666
FNKOFUNKO INC
29,283$385.0M3.34%
667
AMKRAMKOR TECHNOLOGY INC
58,600$384.0M3.33%Put
668
CBRLCRACKER BARREL OLD CTRY STOR
2,400$384.0M3.33%Call
669
UBSUBS GROUP AG
31,000$384.0M3.33%Put
670
SANDSANDSTORM GOLD LTD
83,000$383.0M3.32%Put
671
LOMALOMA NEGRA CORP
34,400$383.0M3.32%Put
672
GLPGGALAPAGOS NV
4,162$382.0M3.31%
673
NTLAINTELLIA THERAPEUTICS INC
27,900$381.0M3.30%Call
674
CASA SYS INC
29,000$381.0M3.30%Put
675
NYTNEW YORK TIMES CO
17,100$381.0M3.30%Call
676
AWMSKYWORKS SOLUTIONS INC
5,688$381.0M3.30%
677
NVTA1EURINVITAE CORP
34,284$379.0M3.29%
678
SUPNSUPERNUS PHARMACEUTICALS INC
11,400$379.0M3.29%Call
679
TTMITTM TECHNOLOGIES INC
38,900$379.0M3.29%Put
680
JAZZJAZZ PHARMACEUTICALS PLC
3,058$379.0M3.29%
681
WTWISDOMTREE INVTS INC
56,900$378.0M3.28%Put
682
ROYAL BK SCOTLAND GROUP PLC
67,576$378.0M3.28%
683
MACMACERICH CO
8,700$377.0M3.27%Put
684
ACTIVISION BLIZZARD INC
8,100$377.0M3.27%Put
685
CONATUS PHARMACEUTICALS INC
217,600$376.0M3.26%
686
EMBJEMBRAER S A
17,000$376.0M3.26%Put
687
VUZIVUZIX CORP
78,136$376.0M3.26%
688
UNITED CMNTY BKS BLAIRSVLE G
17,500$376.0M3.26%Put
689
CVICVR ENERGY INC
10,900$376.0M3.26%Put
690
WORLDPAY INC
4,900$375.0M3.25%Call
691
EXPEDITORS INTL WASH INC
5,500$375.0M3.25%Put
692
FITBFIFTH THIRD BANCORP
15,900$374.0M3.24%Put
693
CBL & ASSOC PPTYS INC
194,351$373.0M3.23%
694
TTMCHFTATA MTRS LTD
30,522$372.0M3.22%
695
MICHAEL KORS HLDGS LTD
9,800$372.0M3.22%Call
696
UCTTULTRA CLEAN HLDGS INC
43,800$371.0M3.22%Call
697
KEYW HLDG CORP
55,000$368.0M3.19%Call
698
NOBLE ENERGY INC
19,600$368.0M3.19%Put
699
GLPGGALAPAGOS NV
4,000$367.0M3.18%Call
700
PCRXPACIRA PHARMACEUTICALS INC
8,522$367.0M3.18%
PreviousPage 7 of 49Next