GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1B

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
901
ASMLASML HOLDING N V
2,900$291.0M4.11%Call
902
ELLIE MAE INC
3,197$290.0M4.09%
903
PRLBPROTO LABS INC
3,744$289.0M4.08%
904
PENNYMAC MTG INVT TR
21,200$289.0M4.08%Call
905
WLB1EURWESTMORELAND COAL CO
39,997$288.0M4.07%
906
RENEWABLE ENERGY GROUP INC
30,500$288.0M4.07%Call
907
REGNREGENERON PHARMACEUTICALS
800$288.0M4.07%Put
908
LINEAR TECHNOLOGY CORP
6,461$288.0M4.07%
909
NWSANEWS CORP NEW
22,500$287.0M4.05%Call
910
TEXAS INSTRS INC
5,000$287.0M4.05%Put
911
ILMNILLUMINA INC
1,773$287.0M4.05%
912
DIAMOND RESORTS INTL INC
11,800$287.0M4.05%Call
913
YRC WORLDWIDE INC
30,700$286.0M4.04%Put
914
RFREGIONS FINL CORP NEW
36,383$286.0M4.04%
915
BONA FILM GROUP LTD
21,100$286.0M4.04%Call
916
CHINA FIN ONLINE CO LTD
56,500$286.0M4.04%Put
917
INSYEURINSYS THERAPEUTICS INC NEW
17,882$286.0M4.04%
918
FITBFIFTH THIRD BANCORP
17,100$285.0M4.02%Call
919
FTNTFORTINET INC
9,283$284.0M4.01%
920
WDCWESTERN DIGITAL CORP
6,000$283.0M4.00%Call
921
HRTXHERON THERAPEUTICS INC
14,911$283.0M4.00%
922
LEAPFROG ENTERPRISES INC
282,500$281.0M3.97%Call
923
CARRIZO OIL & GAS INC
9,100$281.0M3.97%Call
924
HSTHOST HOTELS & RESORTS INC
16,800$281.0M3.97%Put
925
ORGANOVO HLDGS INC
129,300$281.0M3.97%Call
926
EBIX INC
6,900$281.0M3.97%Put
927
IMGNEURIMMUNOGEN INC
32,965$281.0M3.97%
928
INFYINFOSYS LTD
14,700$280.0M3.95%Call
929
XURA INC
14,250$280.0M3.95%
930
INTEGRATED DEVICE TECHNOLOGY
13,697$280.0M3.95%
931
LAREDO PETROLEUM INC
35,200$279.0M3.94%Put
932
DGXQUEST DIAGNOSTICS INC
3,904$279.0M3.94%
933
DSW INC
10,100$279.0M3.94%Put
934
WELLCARE HEALTH PLANS INC
3,000$278.0M3.92%Put
935
APOLLO ED GROUP INC
33,700$277.0M3.91%Call
936
JBLJABIL CIRCUIT INC
14,400$277.0M3.91%Call
937
URIUNITED RENTALS INC
4,455$277.0M3.91%
938
OWENS ILL INC
17,300$276.0M3.90%Call
939
ELLIS PERRY INTL INC
15,000$276.0M3.90%Put
940
GGALGRUPO FINANCIERO GALICIA S A
9,765$276.0M3.90%
941
STATOIL ASA
17,700$275.0M3.88%Put
942
GLUUGLU MOBILE INC
97,107$274.0M3.87%
943
ELDORADO GOLD CORP NEW
86,500$273.0M3.85%Put
944
ROVI CORP
13,300$273.0M3.85%Call
945
IDERA PHARMACEUTICALS INC
138,000$273.0M3.85%Put
946
JOY GLOBAL INC
16,990$273.0M3.85%
947
TUPPERWARE BRANDS CORP
4,700$273.0M3.85%Call
948
CHARLES RIV LABS INTL INC
3,600$273.0M3.85%Call
949
MEDALLION FINL CORP
29,500$272.0M3.84%Put
950
ENVESTNET INC
10,000$272.0M3.84%Put
951
SHLXUSDSHELL MIDSTREAM PARTNERS L P
7,403$271.0M3.83%
952
ARMOUR RESIDENTIAL REIT INC
12,600$271.0M3.83%Call
953
PROGENICS PHARMACEUTICALS IN
62,200$271.0M3.83%Put
954
NKTRNEKTAR THERAPEUTICS
19,700$271.0M3.83%Call
955
MTDRMATADOR RES CO
14,315$271.0M3.83%
956
PBYIPUMA BIOTECHNOLOGY INC
9,200$270.0M3.81%Put
957
ROCKWELL MED INC
35,965$270.0M3.81%
958
XUEDA ED GROUP
50,000$270.0M3.81%Put
959
COMPANIA DE MINAS BUENAVENTU
36,600$269.0M3.80%Put
960
COMMVAULT SYSTEMS INC
6,200$268.0M3.78%Put
961
MICHAEL KORS HLDGS LTD
4,700$268.0M3.78%Call
962
MOMOUSDMOMO INC
23,723$267.0M3.77%
963
CLFDCLEARFIELD INC
16,578$266.0M3.76%
964
JIAYUAN COM INTL LTD
35,600$265.0M3.74%Call
965
SNYDERS-LANCE INC
8,426$265.0M3.74%
966
SILVER WHEATON CORP
15,900$264.0M3.73%Put
967
CRESTWOOD EQUITY PARTNERS LP
22,600$264.0M3.73%Put
968
ACCELERATE DIAGNOSTICS INC
18,400$264.0M3.73%Put
969
QLIK TECHNOLOGIES INC
9,100$263.0M3.71%Put
970
LAZLAZARD LTD
6,791$263.0M3.71%
971
NIELSEN HLDGS PLC
5,000$263.0M3.71%Call
972
TEEKAY TANKERS LTD
71,600$263.0M3.71%Call
973
COVANTA HLDG CORP
15,600$263.0M3.71%Call
974
MYGNMYRIAD GENETICS INC
7,000$262.0M3.70%Put
975
ADURO BIOTECH INC
20,462$262.0M3.70%
976
WBWEIBO CORP
14,600$262.0M3.70%Put
977
DNREURDENBURY RES INC
117,894$262.0M3.70%
978
TXRHTEXAS ROADHOUSE INC
6,000$261.0M3.68%Put
979
BRIGGS & STRATTON CORP
10,900$261.0M3.68%Call
980
NABORS INDUSTRIES LTD
28,400$261.0M3.68%Put
981
TJXTJX COS INC NEW
3,324$260.0M3.67%
982
HCAHCA HOLDINGS INC
3,317$259.0M3.66%
983
NTWKNETSOL TECHNOLOGIES INC
37,100$259.0M3.66%Put
984
JARDEN CORP
4,400$259.0M3.66%Call
985
AIR PRODS & CHEMS INC
1,800$259.0M3.66%Call
986
AMPIO PHARMACEUTICALS INC
114,500$258.0M3.64%Put
987
PYPLPAYPAL HLDGS INC
6,686$258.0M3.64%
988
SNYDERS-LANCE INC
8,200$258.0M3.64%Call
989
FMCF M C CORP
6,400$258.0M3.64%Call
990
BLUE NILE INC
10,000$257.0M3.63%Call
991
PPCPILGRIMS PRIDE CORP NEW
10,100$257.0M3.63%Put
992
QTWOQ2 HLDGS INC
10,700$257.0M3.63%Call
993
DSXDIANA SHIPPING INC
96,208$257.0M3.63%
994
EXTREXTREME NETWORKS INC
82,244$256.0M3.61%
995
ANAVEX LIFE SCIENCES CORP
52,200$256.0M3.61%Put
996
GDDYGODADDY INC
7,900$255.0M3.60%Call
997
DSW INC
9,200$254.0M3.59%Call
998
VGREURVECTOR GROUP LTD
11,117$254.0M3.59%
999
ARROWHEAD RESH CORP
52,700$254.0M3.59%Put
1000
KINDRED HEALTHCARE INC
20,500$253.0M3.57%Put
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