GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2B

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#StockSharesValue% PortfolioType
701
TIVITY HEALTH INC
11,500$420.0M2.95%Call
702
RITMNEW RESIDENTIAL INVT CORP
23,500$420.0M2.95%Put
703
MEOHMETHANEX CORP
6,904$418.0M2.94%
704
GKOSGLAUKOS CORP
16,300$418.0M2.94%Put
705
CERNER CORP
6,200$418.0M2.94%Put
706
LA JOLLA PHARMACEUTICAL CO
13,000$418.0M2.94%Call
707
SNNSMITH & NEPHEW PLC
11,900$417.0M2.93%Call
708
APPROACH RESOURCES INC
140,800$417.0M2.93%Call
709
KEYKEYCORP NEW
20,600$416.0M2.92%Put
710
CURRENCYSHARES CDN DLR TR
5,300$416.0M2.92%Call
711
KPTIKARYOPHARM THERAPEUTICS INC
43,300$416.0M2.92%Call
712
AZTABROOKS AUTOMATION INC
17,447$416.0M2.92%
713
BABCOCK & WILCOX ENTERPRIS I
73,100$415.0M2.92%Call
714
GGALGRUPO FINANCIERO GALICIA S A
6,300$415.0M2.92%Call
715
SNEURSANCHEZ ENERGY CORP
78,233$415.0M2.92%
716
RDNRADIAN GROUP INC
20,100$414.0M2.91%Call
717
GWWGRAINGER W W INC
1,750$413.0M2.90%
718
CYHCOMMUNITY HEALTH SYS INC NEW
96,800$412.0M2.90%Put
719
NOKNOKIA CORP
88,300$411.0M2.89%Call
720
NMI1EURKIRKLAND LAKE GOLD LTD
26,723$410.0M2.88%
721
AVXLANAVEX LIFE SCIENCES CORP
127,300$410.0M2.88%Put
722
INTELSAT S A
120,600$409.0M2.87%Put
723
JACKJACK IN THE BOX INC
4,155$408.0M2.87%
724
SPUSDSP PLUS CORP
10,991$408.0M2.87%
725
ICAHN ENTERPRISES LP
7,700$408.0M2.87%Call
726
EWAISHARES INC
17,575$407.0M2.86%
727
SPECTRUM PHARMACEUTICALS INC
21,500$407.0M2.86%Call
728
HOSTESS BRANDS INC
27,400$406.0M2.85%Call
729
ARANTERO RES CORP
21,312$405.0M2.85%
730
AMGNAMGEN INC
2,327$405.0M2.85%
731
MODINE MFG CO
200$404.0M2.84%Call
732
VECTOR GROUP LTD
18,000$403.0M2.83%Call
733
HCCWARRIOR MET COAL INC
16,000$402.0M2.83%Call
734
U S GLOBAL INVS INC
103,100$402.0M2.83%Put
735
FREDS INC
99,205$402.0M2.83%
736
GSATGLOBALSTAR INC
306,600$402.0M2.83%Call
737
MXMAGNACHIP SEMICONDUCTOR CORP
40,300$401.0M2.82%Call
738
MEDNAX INC
7,500$401.0M2.82%Put
739
BOXBOX INC
18,927$400.0M2.81%
740
PROGENICS PHARMACEUTICALS IN
67,210$400.0M2.81%
741
DANDANA INCORPORATED
12,500$400.0M2.81%Call
742
ARCCARES CAP CORP
25,438$400.0M2.81%
743
CHINA CORD BLOOD CORP
40,103$399.0M2.80%
744
EXPRESS INC
39,300$399.0M2.80%Put
745
CGNXCOGNEX CORP
6,500$398.0M2.80%Call
746
GISGENERAL MLS INC
6,689$397.0M2.79%
747
UNHUNITEDHEALTH GROUP INC
1,803$397.0M2.79%
748
BCCBOISE CASCADE CO DEL
9,900$395.0M2.78%Call
749
GAMESTOP CORP NEW
22,000$395.0M2.78%Call
750
TILE SHOP HLDGS INC
41,100$395.0M2.78%Put
751
PTCPTC INC
6,500$395.0M2.78%Put
752
LINE CORP
9,600$394.0M2.77%Call
753
CARA THERAPEUTICS INC
32,200$394.0M2.77%Put
754
NVMINOVA MEASURING INSTRUMENTS L
15,200$394.0M2.77%Call
755
ABB LTD
14,700$394.0M2.77%Call
756
ALRMALARM COM HLDGS INC
10,415$393.0M2.76%
757
GRACE W R & CO DEL NEW
5,600$393.0M2.76%Put
758
FNFFIDELITY NATIONAL FINANCIAL
100$392.0M2.75%Call
759
NORFOLK SOUTHERN CORP
2,700$391.0M2.75%Call
760
WINGWINGSTOP INC
100$390.0M2.74%Call
761
SFIXSTITCH FIX INC
15,100$390.0M2.74%Put
762
ISTAR INC
34,400$389.0M2.73%Call
763
IRON MTN INC NEW
10,300$389.0M2.73%Put
764
SORL AUTO PTS INC
57,800$388.0M2.73%Put
765
MULESOFT INC
16,700$388.0M2.73%Put
766
STAASTAAR SURGICAL CO
25,000$388.0M2.73%Put
767
DSEURDRIVE SHACK INC
69,999$387.0M2.72%
768
ASCENA RETAIL GROUP INC
164,800$387.0M2.72%Call
769
MICROSEMI CORP
7,500$387.0M2.72%Put
770
CLBCORE LABORATORIES N V
3,525$386.0M2.71%
771
PETROCHINA CO LTD
5,500$385.0M2.71%Call
772
RDNRADIAN GROUP INC
18,700$385.0M2.71%Put
773
CBRECBRE GROUP INC
8,900$385.0M2.71%Put
774
DCP MIDSTREAM LP
10,541$383.0M2.69%
775
ALLIANCEBERNSTEIN HOLDING LP
15,300$383.0M2.69%Put
776
LKQ CORP
9,400$382.0M2.68%Call
777
GAIN CAP HLDGS INC
38,198$382.0M2.68%
778
AEPAMERICAN ELEC PWR INC
5,175$381.0M2.68%
779
PRLBPROTO LABS INC
3,700$381.0M2.68%Call
780
DXCDXC TECHNOLOGY CO
4,000$380.0M2.67%Put
781
WASHINGTON PRIME GROUP NEW
53,400$380.0M2.67%Call
782
INTERSECTIONS INC
168,300$380.0M2.67%Put
783
CYTKCYTOKINETICS INC
46,600$380.0M2.67%Call
784
SIGMA DESIGNS INC
54,400$378.0M2.66%Call
785
AMAG PHARMACEUTICALS INC
28,500$378.0M2.66%Put
786
NRG YIELD INC
20,000$377.0M2.65%Put
787
XLNXEURXILINX INC
5,594$377.0M2.65%
788
GLYCOMIMETICS INC
22,400$376.0M2.64%Put
789
RMBSRAMBUS INC DEL
26,400$375.0M2.64%Call
790
EDITEDITAS MEDICINE INC
12,196$375.0M2.64%
791
LDOSLEIDOS HLDGS INC
5,800$375.0M2.64%Put
792
WINNEBAGO INDS INC
6,700$373.0M2.62%Call
793
CSXCSX CORP
6,774$373.0M2.62%
794
5TCTRUECAR INC
33,279$373.0M2.62%
795
LOXO ONCOLOGY INC
4,433$373.0M2.62%
796
SHUTTERFLY INC
7,500$373.0M2.62%Call
797
CBRECBRE GROUP INC
8,600$372.0M2.61%Call
798
DERMIRA INC
13,300$370.0M2.60%Call
799
NEWTHNEWTEK BUSINESS SVCS CORP
20,000$370.0M2.60%Put
800
TIVO CORP
23,700$370.0M2.60%Put
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