GROUP ONE TRADING LLC Q3 2019 Filing

Filed November 12, 2019

Portfolio Value

$12.4M

Holdings

5,114

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (5,114 positions)

#	Stock	Shares	Value	% Portfolio	Type
4001	—AVID BIOSERVICES INC	9,300	$49K	0.40%	Call
4002	—TRUECAR INC	14,400	$49K	0.40%	Call
4003	—NEUROTROPE INC	60,300	$49K	0.40%	Put
4004	APHAMPHENOL CORP NEW	510	$49K	0.40%
4005	HTLDEXPRESS INC	14,344	$49K	0.40%
4006	MGAMAGNA INTL INC	900	$48K	0.39%
4007	HCIHCI GROUP INC	1,147	$48K	0.39%
4008	—ARISTA NETWORKS INC	200	$48K	0.39%	Put
4009	ACAARCOSA INC	1,400	$48K	0.39%	Put
4010	—INOVIO PHARMACEUTICALS INC	23,200	$48K	0.39%	Put
4011	BRBROADRIDGE FINL SOLUTIONS IN	389	$48K	0.39%
4012	—SYNEOS HEALTH INC	900	$48K	0.39%	Call
4013	PRTAPROTHENA CORP PLC	6,184	$48K	0.39%
4014	TRPTC ENERGY CORP	900	$47K	0.38%	Call
4015	FATEFATE THERAPEUTICS INC	3,000	$47K	0.38%	Put
4016	—CORNERSTONE BLDG BRANDS INC	7,700	$47K	0.38%	Call
4017	DVAXDYNAVAX TECHNOLOGIES CORP	13,100	$47K	0.38%	Put
4018	DRIDARDEN RESTAURANTS INC	400	$47K	0.38%	Put
4019	PRAAPRA GROUP INC	1,400	$47K	0.38%	Call
4020	PRQRPROQR THRAPEUTICS N V	8,120	$47K	0.38%
4021	BKEBUCKLE INC	2,300	$47K	0.38%	Call
4022	BHRBRAEMAR HOTELS & RESORTS INC	5,000	$47K	0.38%	Call
4023	—CAI INTERNATIONAL INC	2,140	$47K	0.38%
4024	—CBL & ASSOC PPTYS INC	36,231	$47K	0.38%
4025	SENSSENSEONICS HLDGS INC	47,700	$47K	0.38%	Put
4026	—SRC ENERGY INC	10,000	$47K	0.38%	Call
4027	—AEGON N V	11,200	$46K	0.37%	Call
4028	RGRSTURM RUGER & CO INC	1,100	$46K	0.37%	Call
4029	GLOBGLOBANT S A	500	$46K	0.37%	Call
4030	SNDRSCHNEIDER NATIONAL INC	2,100	$46K	0.37%	Call
4031	AKRACADIA RLTY TR	1,600	$46K	0.37%	Put
4032	—BOINGO WIRELESS INC	4,100	$46K	0.37%	Call
4033	MCHPMICROCHIP TECHNOLOGY INC	500	$46K	0.37%	Put
4034	—CANNTRUST HLDGS INC	41,200	$46K	0.37%	Put
4035	—HILLENBRAND INC	1,500	$46K	0.37%	Call
4036	CELHCELSIUS HOLDINGS INC	13,100	$46K	0.37%	Call
4037	CRNTCERAGON NETWORKS LTD	17,195	$46K	0.37%
4038	—RA PHARMACEUTICALS INC	1,900	$45K	0.36%	Put
4039	—ECHO GLOBAL LOGISTICS INC	2,000	$45K	0.36%	Call
4040	—SHIP FINANCE INTERNATIONAL L	3,200	$45K	0.36%	Put
4041	OMEXODYSSEY MARINE EXPLORATION I	11,800	$45K	0.36%	Put
4042	FXCINVESCO CURNCYSHS CDN DLR TR	600	$45K	0.36%
4043	—NATUS MEDICAL INC	1,400	$45K	0.36%	Call
4044	NTRNUTRIEN LTD	900	$45K	0.36%	Put
4045	—PARATEK PHARMACEUTICALS INC	10,320	$45K	0.36%
4046	XLBSELECT SECTOR SPDR TR	770	$45K	0.36%
4047	CTVACORTEVA INC	1,600	$45K	0.36%	Put
4048	BOOMDMC GLOBAL INC	1,000	$44K	0.36%	Call
4049	DLPHDELPHI TECHNOLOGIES PLC	3,273	$44K	0.36%
4050	—CBL & ASSOC PPTYS INC	34,300	$44K	0.36%	Call
4051	OSPNONESPAN INC	3,000	$44K	0.36%	Call
4052	KWE1RING ENERGY INC	26,696	$44K	0.36%
4053	IMAXIMAX CORP	2,000	$44K	0.36%	Put
4054	—WAITR HLDGS INC	34,011	$44K	0.36%
4055	—MODEL N INC	1,600	$44K	0.36%	Put
4056	—VERASTEM INC	36,700	$44K	0.36%	Call
4057	—GLOBAL EAGLE ENTMT INC	59,900	$43K	0.35%	Call
4058	PVLPERMIANVILLE RTY TR	16,381	$43K	0.35%
4059	—BLUCORA INC	2,000	$43K	0.35%	Put
4060	—MONTAGE RES CORP	11,273	$43K	0.35%
4061	—COLLECTORS UNIVERSE INC	1,500	$43K	0.35%	Call
4062	KBDCKAYNE ANDERSN MLP MIDS INVT	3,000	$43K	0.35%	Put
4063	HRTGHERITAGE INS HLDGS INC	2,900	$43K	0.35%	Put
4064	—ANWORTH MORTGAGE ASSET CP	12,900	$43K	0.35%	Put
4065	FNKOFUNKO INC	2,111	$43K	0.35%
4066	CRUSCIRRUS LOGIC INC	800	$43K	0.35%	Put
4067	DISCAUSDDISCOVERY INC	1,586	$42K	0.34%
4068	PTENPATTERSON UTI ENERGY INC	4,900	$42K	0.34%	Put
4069	SMFGSUMITOMO MITSUI FINL GROUP I	6,125	$42K	0.34%
4070	DARDARLING INGREDIENTS INC	2,184	$42K	0.34%
4071	CECOCECO ENVIRONMENTAL CORP	5,977	$42K	0.34%
4072	—ROCKWELL MED INC	15,268	$42K	0.34%
4073	—BARNES & NOBLE ED INC	13,300	$42K	0.34%	Put
4074	BANCBANC OF CALIFORNIA INC	3,000	$42K	0.34%	Put
4075	—EXANTAS CAP CORP	3,700	$42K	0.34%	Call
4076	ALSNALLISON TRANSMISSION HLDGS I	900	$42K	0.34%	Call
4077	CITUSDCIT GROUP INC	933	$42K	0.34%
4078	USNAUSANA HEALTH SCIENCES INC	600	$41K	0.33%	Call
4079	—AKCEA THERAPEUTICS INC	2,633	$41K	0.33%
4080	BLDPBALLARD PWR SYS INC NEW	8,288	$41K	0.33%
4081	DQDAQO NEW ENERGY CORP	900	$41K	0.33%	Put
4082	UNUSDUNILEVER N V	676	$41K	0.33%
4083	PXLWPIXELWORKS INC	11,100	$41K	0.33%	Put
4084	AORTCRYOLIFE INC	1,500	$41K	0.33%	Call
4085	WHDCACTUS INC	1,400	$41K	0.33%	Put
4086	ETRENTERGY CORP NEW	350	$41K	0.33%
4087	EGHT8X8 INC NEW	2,000	$41K	0.33%	Put
4088	ABRARBOR RLTY TR INC	3,100	$41K	0.33%	Call
4089	SSTKSHUTTERSTOCK INC	1,100	$40K	0.32%
4090	SNDXSYNDAX PHARMACEUTICALS INC	5,400	$40K	0.32%	Call
4091	AYIACUITY BRANDS INC	300	$40K	0.32%	Call
4092	—TALEND S A	1,179	$40K	0.32%
4093	FLWSFLWS/1-800 FLOWERS	2,700	$40K	0.32%	Call
4094	GPKGRAPHIC PACKAGING HLDG CO	2,700	$40K	0.32%	Put
4095	—ENTERCOM COMMUNICATIONS CORP	11,900	$40K	0.32%	Put
4096	—POLARITYTE INC	12,300	$40K	0.32%	Put
4097	GOGLGOLDEN OCEAN GROUP LTD	6,800	$40K	0.32%
4098	ENSENERSYS	609	$40K	0.32%
4099	—YRC WORLDWIDE INC	13,200	$40K	0.32%	Put
4100	PSNPARSONS CORPORATION	1,200	$40K	0.32%

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