GROUP ONE TRADING LLC Q1 2017 Filing

Filed May 10, 2017

Portfolio Value

$8.6M

Holdings

4,605

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (4,605 positions)

#	Stock	Shares	Value	% Portfolio	Type
801	CROXCROCS INC	48,635	$344K	4.01%
802	—MERRIMACK PHARMACEUTICALS IN	110,976	$342K	3.98%
803	7HPHP INC	19,060	$341K	3.97%
804	—GASLOG LTD	22,200	$341K	3.97%	Call
805	—BROADRIDGE FINL SOLUTIONS IN	5,000	$340K	3.96%	Put
806	LGIHLGI HOMES INC	10,000	$339K	3.95%	Put
807	—PURE STORAGE INC	34,400	$338K	3.94%	Put
808	CVSCVS HEALTH CORP	4,300	$338K	3.94%	Call
809	TMOTHERMO FISHER SCIENTIFIC INC	2,200	$338K	3.94%	Put
810	—ATHENAHEALTH INC	2,988	$337K	3.92%
811	PWRQUANTA SVCS INC	9,068	$337K	3.92%
812	WWAYFAIR INC	8,300	$336K	3.91%	Call
813	—AMERICAN MIDSTREAM PARTNERS	22,619	$336K	3.91%
814	AEOAMERICAN EAGLE OUTFITTERS NE	23,854	$335K	3.90%
815	THCTENET HEALTHCARE CORP	18,900	$335K	3.90%	Call
816	CNPCENTERPOINT ENERGY INC	12,100	$334K	3.89%	Call
817	—SPECTRANETICS CORP	11,444	$333K	3.88%
818	AMNAMN HEALTHCARE SERVICES INC	8,200	$333K	3.88%	Put
819	HFCUSDHOLLYFRONTIER CORP	11,700	$332K	3.87%
820	MDXGMIMEDX GROUP INC	34,800	$332K	3.87%	Call
821	GPREGREEN PLAINS INC	13,400	$332K	3.87%	Call
822	—ADVANTAGE OIL & GAS LTD	50,100	$331K	3.85%	Put
823	WLKWESTLAKE CHEM CORP	5,000	$330K	3.84%	Call
824	—TEEKAY CORPORATION	36,100	$330K	3.84%	Call
825	PBIPITNEY BOWES INC	25,200	$330K	3.84%	Call
826	—FERRELLGAS PARTNERS L.P.	54,800	$329K	3.83%	Call
827	—YRC WORLDWIDE INC	29,897	$329K	3.83%
828	—GRAMERCY PPTY TR	12,500	$329K	3.83%	Call
829	—ICAHN ENTERPRISES LP	6,400	$328K	3.82%	Call
830	—ROCKWELL MED INC	52,400	$328K	3.82%	Call
831	—REYNOLDS AMERICAN INC	5,200	$328K	3.82%	Put
832	—AMERICAN MIDSTREAM PARTNERS	22,000	$327K	3.81%	Call
833	VNDAVANDA PHARMACEUTICALS INC	23,300	$326K	3.80%	Call
834	CBCVR ENERGY INC	16,239	$326K	3.80%
835	P5YBRF SA	26,635	$326K	3.80%
836	—COMSTOCK RES INC	35,200	$325K	3.78%	Put
837	CVICVR ENERGY INC	16,200	$325K	3.78%	Put
838	ATVIEURACTIVISION BLIZZARD INC	6,501	$324K	3.77%
839	—EOG RES INC	3,300	$322K	3.75%	Put
840	—NQ MOBILE INC	77,100	$322K	3.75%	Put
841	NRPNATURAL RESOURCE PARTNERS L	8,900	$322K	3.75%	Call
842	GSGOLDMAN SACHS GROUP INC	1,400	$322K	3.75%	Put
843	TKCTURKCELL ILETISIM HIZMETLERI	38,800	$321K	3.74%	Call
844	—MEETME INC	54,500	$321K	3.74%	Put
845	AESAES CORP	28,600	$320K	3.73%	Call
846	—ECHO GLOBAL LOGISTICS INC	15,000	$320K	3.73%	Call
847	—LIMELIGHT NETWORKS INC	123,696	$319K	3.71%
848	—GAS NAT INC	25,100	$319K	3.71%	Put
849	TSMTAIWAN SEMICONDUCTOR MFG LTD	9,700	$319K	3.71%	Call
850	PCRXPACIRA PHARMACEUTICALS INC	7,000	$319K	3.71%	Put
851	AMSCAMERICAN SUPERCONDUCTOR CORP	46,300	$318K	3.70%	Call
852	—SUCAMPO PHARMACEUTICALS INC	28,900	$318K	3.70%	Call
853	CN4CONNS INC	36,307	$318K	3.70%
854	—DENBURY RES INC	123,200	$318K	3.70%	Call
855	—8POINT3 ENERGY PARTNERS LP	23,400	$318K	3.70%	Put
856	—AMERICAN OUTDOOR BRANDS CORP	16,065	$318K	3.70%
857	MATMATTEL INC	12,400	$318K	3.70%	Put
858	—CARBONITE INC	15,600	$317K	3.69%	Put
859	NGLNGL ENERGY PARTNERS LP	14,000	$316K	3.68%	Put
860	—NEVSUN RES LTD	123,500	$316K	3.68%	Put
861	—ICONIX BRAND GROUP INC	41,900	$315K	3.67%	Put
862	—RENREN INC	40,400	$315K	3.67%	Call
863	—WADDELL & REED FINL INC	18,500	$315K	3.67%	Put
864	—TAILORED BRANDS INC	21,100	$315K	3.67%	Call
865	RGLDROYAL GOLD INC	4,490	$315K	3.67%
866	ATHMAUTOHOME INC	9,900	$315K	3.67%	Put
867	—THERAPEUTICSMD INC	43,500	$313K	3.64%	Put
868	EAELECTRONIC ARTS INC	3,500	$313K	3.64%	Call
869	—SUPERVALU INC	80,848	$312K	3.63%
870	—COMPUTER SCIENCES CORP	4,518	$312K	3.63%
871	TJXTJX COS INC NEW	3,941	$312K	3.63%
872	FOSLFOSSIL GROUP INC	17,800	$311K	3.62%	Put
873	NUENUCOR CORP	5,200	$311K	3.62%	Call
874	CNKCINEMARK HOLDINGS INC	7,000	$310K	3.61%	Call
875	—CHEETAH MOBILE INC	28,800	$309K	3.60%	Call
876	—INGERSOLL-RAND PLC	3,800	$309K	3.60%	Call
877	SABRSABRE CORP	14,600	$309K	3.60%	Put
878	—WENDYS CO	22,600	$308K	3.59%	Call
879	BYDBOYD GAMING CORP	14,000	$308K	3.59%	Call
880	—8POINT3 ENERGY PARTNERS LP	22,600	$307K	3.57%	Call
881	FMCF M C CORP	4,400	$306K	3.56%	Put
882	—CELLDEX THERAPEUTICS INC NEW	84,846	$306K	3.56%
883	—TETRAPHASE PHARMACEUTICALS I	33,200	$305K	3.55%	Call
884	PGPROCTER AND GAMBLE CO	3,400	$305K	3.55%	Put
885	IAGIAMGOLD CORP	76,100	$304K	3.54%	Call
886	—QUANTA SVCS INC	8,200	$304K	3.54%	Call
887	INVAINNOVIVA INC	22,000	$304K	3.54%	Call
888	VLYVALLEY NATL BANCORP	25,642	$303K	3.53%
889	VCYTVERACYTE INC	33,000	$303K	3.53%	Put
890	—DYNEGY INC NEW DEL	38,400	$302K	3.52%	Call
891	GFIGOLD FIELDS LTD NEW	85,500	$302K	3.52%	Call
892	—VULCAN MATLS CO	2,500	$301K	3.50%	Put
893	OXYOCCIDENTAL PETE CORP DEL	4,732	$300K	3.49%
894	—SODASTREAM INTERNATIONAL LTD	6,200	$300K	3.49%	Call
895	AMXNAMERICA MOVIL SAB DE CV	21,203	$300K	3.49%
896	AGNCAGNC INVT CORP	15,033	$299K	3.48%
897	—DBV TECHNOLOGIES S A	8,500	$299K	3.48%	Call
898	HSYHERSHEY CO	2,725	$298K	3.47%
899	VIAVVIAVI SOLUTIONS INC	27,800	$298K	3.47%	Put
900	—WORLD WRESTLING ENTMT INC	13,400	$298K	3.47%	Put

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