GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7B

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#StockSharesValue% PortfolioType
901
AMAG PHARMACEUTICALS INC
17,300$337.0M2.88%Call
902
VERINT SYS INC
7,600$337.0M2.88%Call
903
GRACE W R & CO DEL NEW
4,600$337.0M2.88%Call
904
XNETXUNLEI LTD
31,524$337.0M2.88%
905
QUALITY SYS INC
17,300$337.0M2.88%Call
906
TARGA RES CORP
6,800$337.0M2.88%Put
907
THERAPEUTICSMD INC
53,913$336.0M2.87%
908
INTERPUBLIC GROUP COS INC
14,300$335.0M2.86%Call
909
ACELRX PHARMACEUTICALS INC
99,200$335.0M2.86%Put
910
ELFE L F BEAUTY INC
22,000$335.0M2.86%Put
911
MACOM TECH SOLUTIONS HLDGS I
14,500$334.0M2.86%Call
912
QIAGEN NV
9,200$333.0M2.85%Call
913
NTLAINTELLIA THERAPEUTICS INC
12,174$333.0M2.85%
914
PARATEK PHARMACEUTICALS INC
32,600$333.0M2.85%Call
915
ADAMAS PHARMACEUTICALS INC
12,911$333.0M2.85%
916
SSS1EURLIFE STORAGE INC
3,414$332.0M2.84%
917
CALITHERA BIOSCIENCES INC
66,300$332.0M2.84%Call
918
RRRRED ROCK RESORTS INC
9,900$332.0M2.84%Call
919
TELTE CONNECTIVITY LTD
3,677$331.0M2.83%
920
CASA SYS INC
20,200$330.0M2.82%Call
921
KTOSKRATOS DEFENSE & SEC SOLUTIO
28,600$329.0M2.81%Put
922
APPTIO INC
9,100$329.0M2.81%Put
923
TACTILE SYS TECHNOLOGY INC
6,300$328.0M2.80%Put
924
HI-CRUSH PARTNERS LP
27,781$328.0M2.80%
925
ENBRIDGE ENERGY MANAGEMENT L
32,000$328.0M2.80%Call
926
CCLCARNIVAL CORP
5,700$327.0M2.80%Call
927
GREENBRIER COS INC
6,200$327.0M2.80%Put
928
VSTMVERASTEM INC
47,551$327.0M2.80%
929
RIGEL PHARMACEUTICALS INC
115,500$327.0M2.80%Call
930
NEVRO CORP
4,100$327.0M2.80%Put
931
PATTERN ENERGY GROUP INC
17,400$326.0M2.79%Call
932
EOGEOG RES INC
2,622$326.0M2.79%
933
TZOOTRAVELZOO
19,000$325.0M2.78%Call
934
ONCBEIGENE LTD
2,100$323.0M2.76%Put
935
MEDICAL PPTYS TRUST INC
23,000$323.0M2.76%Call
936
TPRTAPESTRY INC
6,900$322.0M2.75%Put
937
TTPHEURTETRAPHASE PHARMACEUTICALS I
90,131$322.0M2.75%
938
CARBONITE INC
9,200$321.0M2.75%Call
939
MURMURPHY OIL CORP
9,500$321.0M2.75%Call
940
SIGNATURE BK NEW YORK N Y
2,500$320.0M2.74%Put
941
PUMPPROPETRO HLDG CORP
20,402$320.0M2.74%
942
BLMNBLOOMIN BRANDS INC
15,943$320.0M2.74%
943
PETROCHINA CO LTD
4,200$320.0M2.74%Put
944
AMKRAMKOR TECHNOLOGY INC
37,300$320.0M2.74%Put
945
PKXPOSCO
4,300$319.0M2.73%Put
946
MERCMERCER INTL INC
18,200$319.0M2.73%Call
947
CTRNCITI TRENDS INC
11,600$318.0M2.72%Call
948
CARBONITE INC
9,100$318.0M2.72%Put
949
2U INC
3,800$318.0M2.72%Put
950
COMSTOCK RES INC
30,300$318.0M2.72%Put
951
SCORPIO BULKERS INC
44,700$317.0M2.71%Put
952
XLBSELECT SECTOR SPDR TR
5,466$317.0M2.71%
953
TBCHTURTLE BEACH CORP
15,600$317.0M2.71%Put
954
WEINGARTEN RLTY INVS
10,300$317.0M2.71%Call
955
HHYATT HOTELS CORP
4,100$316.0M2.70%Put
956
RGLDROYAL GOLD INC
3,400$316.0M2.70%Put
957
ECECOPETROL S A
15,364$316.0M2.70%
958
SBSWSIBANYE STILLWATER
130,572$316.0M2.70%
959
PLDPROLOGIS INC
4,800$315.0M2.69%Call
960
SPHSUBURBAN PROPANE PARTNERS L
13,400$315.0M2.69%Call
961
CHILDRENS PL INC
2,600$314.0M2.69%Call
962
AVADEL PHARMACEUTICALS PLC
51,300$314.0M2.69%Call
963
AV HOMES INC
14,600$312.0M2.67%Put
964
IMGIAMGOLD CORP
53,716$312.0M2.67%
965
FANHUA INC
10,899$311.0M2.66%
966
RUBICON PROJ INC
108,700$310.0M2.65%Put
967
BLMNBLOOMIN BRANDS INC
15,400$310.0M2.65%Put
968
AMRXAMNEAL PHARMACEUTICALS INC
18,900$310.0M2.65%Call
969
CLSDUSDCLEARSIDE BIOMEDICAL INC
28,899$309.0M2.64%
970
DEDEERE & CO
2,210$309.0M2.64%
971
HRLHORMEL FOODS CORP
8,300$309.0M2.64%Put
972
ECLECOLAB INC
2,200$309.0M2.64%Call
973
VOCVOC ENERGY TR
58,100$309.0M2.64%Call
974
PROPETRO HLDG CORP
19,700$309.0M2.64%Call
975
DRIVE SHACK INC
40,000$309.0M2.64%Put
976
BHRBRAEMAR HOTELS & RESORTS INC
27,000$308.0M2.63%Call
977
CPE3EURCALLON PETE CO DEL
28,671$308.0M2.63%
978
SESEN BIO INC
158,200$308.0M2.63%Call
979
DHTDHT HOLDINGS INC
65,628$308.0M2.63%
980
VVXVECTRUS INC
10,000$308.0M2.63%
981
REVANCE THERAPEUTICS INC
11,200$307.0M2.63%Call
982
PLSEPULSE BIOSCIENCES INC
20,300$307.0M2.63%Call
983
URBNURBAN OUTFITTERS INC
6,900$307.0M2.63%Put
984
SF9SANDERSON FARMS INC
2,921$307.0M2.63%
985
ABRARBOR RLTY TR INC
29,300$306.0M2.62%Call
986
TELLURIAN INC NEW
36,600$305.0M2.61%Put
987
FITBIT INC
46,700$305.0M2.61%Put
988
CERIDIAN HCM HLDG INC
9,200$305.0M2.61%Put
989
MAKEMYTRIP LIMITED MAURITIUS
8,400$304.0M2.60%Call
990
CHRSCOHERUS BIOSCIENCES INC
21,700$304.0M2.60%Call
991
CAVIUM INC
3,500$303.0M2.59%Put
992
AMXNAMERICA MOVIL SAB DE CV
18,169$303.0M2.59%
993
BAXBAXTER INTL INC
4,100$303.0M2.59%Call
994
SBLKSTAR BULK CARRIERS CORP
23,598$303.0M2.59%
995
ERIIENERGY RECOVERY INC
37,300$301.0M2.57%Call
996
NGLNGL ENERGY PARTNERS LP
24,100$301.0M2.57%Put
997
ENDURANCE INTL GROUP HLDGS I
30,300$301.0M2.57%Call
998
SIRIUS XM HLDGS INC
44,500$301.0M2.57%Put
999
BHPBHP BILLITON LTD
6,000$300.0M2.57%Put
1000
EVEREST RE GROUP LTD
1,300$300.0M2.57%Put
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