GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7M

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#	Stock	Shares	Value	% Portfolio	Type
901	—TARGA RES CORP	6,800	$337K	2.88%	Put
902	—AMAG PHARMACEUTICALS INC	17,300	$337K	2.88%	Call
903	—GRACE W R & CO DEL NEW	4,600	$337K	2.88%	Call
904	—VERINT SYS INC	7,600	$337K	2.88%	Call
905	—QUALITY SYS INC	17,300	$337K	2.88%	Call
906	XNETXUNLEI LTD	31,524	$337K	2.88%
907	—THERAPEUTICSMD INC	53,913	$336K	2.87%
908	—ACELRX PHARMACEUTICALS INC	99,200	$335K	2.86%	Put
909	—INTERPUBLIC GROUP COS INC	14,300	$335K	2.86%	Call
910	ELFE L F BEAUTY INC	22,000	$335K	2.86%	Put
911	—MACOM TECH SOLUTIONS HLDGS I	14,500	$334K	2.86%	Call
912	—PARATEK PHARMACEUTICALS INC	32,600	$333K	2.85%	Call
913	—QIAGEN NV	9,200	$333K	2.85%	Call
914	NTLAINTELLIA THERAPEUTICS INC	12,174	$333K	2.85%
915	—ADAMAS PHARMACEUTICALS INC	12,911	$333K	2.85%
916	—CALITHERA BIOSCIENCES INC	66,300	$332K	2.84%	Call
917	RRRRED ROCK RESORTS INC	9,900	$332K	2.84%	Call
918	SSS1EURLIFE STORAGE INC	3,414	$332K	2.84%
919	TELTE CONNECTIVITY LTD	3,677	$331K	2.83%
920	—CASA SYS INC	20,200	$330K	2.82%	Call
921	KTOSKRATOS DEFENSE & SEC SOLUTIO	28,600	$329K	2.81%	Put
922	—APPTIO INC	9,100	$329K	2.81%	Put
923	—HI-CRUSH PARTNERS LP	27,781	$328K	2.80%
924	—TACTILE SYS TECHNOLOGY INC	6,300	$328K	2.80%	Put
925	—ENBRIDGE ENERGY MANAGEMENT L	32,000	$328K	2.80%	Call
926	VSTMVERASTEM INC	47,551	$327K	2.80%
927	—GREENBRIER COS INC	6,200	$327K	2.80%	Put
928	—NEVRO CORP	4,100	$327K	2.80%	Put
929	—RIGEL PHARMACEUTICALS INC	115,500	$327K	2.80%	Call
930	CCLCARNIVAL CORP	5,700	$327K	2.80%	Call
931	EOGEOG RES INC	2,622	$326K	2.79%
932	—PATTERN ENERGY GROUP INC	17,400	$326K	2.79%	Call
933	TZOOTRAVELZOO	19,000	$325K	2.78%	Call
934	ONCBEIGENE LTD	2,100	$323K	2.76%	Put
935	—MEDICAL PPTYS TRUST INC	23,000	$323K	2.76%	Call
936	TPRTAPESTRY INC	6,900	$322K	2.75%	Put
937	TTPHEURTETRAPHASE PHARMACEUTICALS I	90,131	$322K	2.75%
938	—CARBONITE INC	9,200	$321K	2.75%	Call
939	MURMURPHY OIL CORP	9,500	$321K	2.75%	Call
940	—SIGNATURE BK NEW YORK N Y	2,500	$320K	2.74%	Put
941	PUMPPROPETRO HLDG CORP	20,402	$320K	2.74%
942	BLMNBLOOMIN BRANDS INC	15,943	$320K	2.74%
943	AMKRAMKOR TECHNOLOGY INC	37,300	$320K	2.74%	Put
944	—PETROCHINA CO LTD	4,200	$320K	2.74%	Put
945	PKXPOSCO	4,300	$319K	2.73%	Put
946	MERCMERCER INTL INC	18,200	$319K	2.73%	Call
947	CTRNCITI TRENDS INC	11,600	$318K	2.72%	Call
948	—2U INC	3,800	$318K	2.72%	Put
949	—COMSTOCK RES INC	30,300	$318K	2.72%	Put
950	—CARBONITE INC	9,100	$318K	2.72%	Put
951	TBCHTURTLE BEACH CORP	15,600	$317K	2.71%	Put
952	XLBSELECT SECTOR SPDR TR	5,466	$317K	2.71%
953	—SCORPIO BULKERS INC	44,700	$317K	2.71%	Put
954	—WEINGARTEN RLTY INVS	10,300	$317K	2.71%	Call
955	HHYATT HOTELS CORP	4,100	$316K	2.70%	Put
956	RGLDROYAL GOLD INC	3,400	$316K	2.70%	Put
957	ECECOPETROL S A	15,364	$316K	2.70%
958	SBSWSIBANYE STILLWATER	130,572	$316K	2.70%
959	SPHSUBURBAN PROPANE PARTNERS L	13,400	$315K	2.69%	Call
960	PLDPROLOGIS INC	4,800	$315K	2.69%	Call
961	—CHILDRENS PL INC	2,600	$314K	2.69%	Call
962	—AVADEL PHARMACEUTICALS PLC	51,300	$314K	2.69%	Call
963	—AV HOMES INC	14,600	$312K	2.67%	Put
964	IMGIAMGOLD CORP	53,716	$312K	2.67%
965	—FANHUA INC	10,899	$311K	2.66%
966	BLMNBLOOMIN BRANDS INC	15,400	$310K	2.65%	Put
967	AMRXAMNEAL PHARMACEUTICALS INC	18,900	$310K	2.65%	Call
968	—RUBICON PROJ INC	108,700	$310K	2.65%	Put
969	HRLHORMEL FOODS CORP	8,300	$309K	2.64%	Put
970	CLSDUSDCLEARSIDE BIOMEDICAL INC	28,899	$309K	2.64%
971	—PROPETRO HLDG CORP	19,700	$309K	2.64%	Call
972	DEDEERE & CO	2,210	$309K	2.64%
973	VOCVOC ENERGY TR	58,100	$309K	2.64%	Call
974	—DRIVE SHACK INC	40,000	$309K	2.64%	Put
975	ECLECOLAB INC	2,200	$309K	2.64%	Call
976	—SESEN BIO INC	158,200	$308K	2.63%	Call
977	DHTDHT HOLDINGS INC	65,628	$308K	2.63%
978	VVXVECTRUS INC	10,000	$308K	2.63%
979	CPE3EURCALLON PETE CO DEL	28,671	$308K	2.63%
980	BHRBRAEMAR HOTELS & RESORTS INC	27,000	$308K	2.63%	Call
981	URBNURBAN OUTFITTERS INC	6,900	$307K	2.63%	Put
982	SF9SANDERSON FARMS INC	2,921	$307K	2.63%
983	—REVANCE THERAPEUTICS INC	11,200	$307K	2.63%	Call
984	PLSEPULSE BIOSCIENCES INC	20,300	$307K	2.63%	Call
985	ABRARBOR RLTY TR INC	29,300	$306K	2.62%	Call
986	—CERIDIAN HCM HLDG INC	9,200	$305K	2.61%	Put
987	—FITBIT INC	46,700	$305K	2.61%	Put
988	—TELLURIAN INC NEW	36,600	$305K	2.61%	Put
989	—MAKEMYTRIP LIMITED MAURITIUS	8,400	$304K	2.60%	Call
990	CHRSCOHERUS BIOSCIENCES INC	21,700	$304K	2.60%	Call
991	SBLKSTAR BULK CARRIERS CORP	23,598	$303K	2.59%
992	—CAVIUM INC	3,500	$303K	2.59%	Put
993	AMXNAMERICA MOVIL SAB DE CV	18,169	$303K	2.59%
994	BAXBAXTER INTL INC	4,100	$303K	2.59%	Call
995	NGLNGL ENERGY PARTNERS LP	24,100	$301K	2.57%	Put
996	—ENDURANCE INTL GROUP HLDGS I	30,300	$301K	2.57%	Call
997	ERIIENERGY RECOVERY INC	37,300	$301K	2.57%	Call
998	—SIRIUS XM HLDGS INC	44,500	$301K	2.57%	Put
999	BHPBHP BILLITON LTD	6,000	$300K	2.57%	Put
1000	—EVEREST RE GROUP LTD	1,300	$300K	2.57%	Put

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