GROUP ONE TRADING LLC Q1 2018 Filing

Filed May 11, 2018

Portfolio Value

$10.5M

Holdings

4,806

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (4,806 positions)

#	Stock	Shares	Value	% Portfolio	Type
4401	—ELECTRONICS FOR IMAGING INC	300	$8K	0.08%	Put
4402	—PHYSICIANS RLTY TR	500	$8K	0.08%	Put
4403	FNFFIDELITY NATIONAL FINANCIAL	200	$8K	0.08%	Put
4404	SAICSCIENCE APPLICATNS INTL CP N	1,000	$8K	0.07%	Call
4405	ESEVERSOURCE ENERGY	1,200	$7K	0.07%	Call
4406	AXGNAXOGEN INC	200	$7K	0.07%	Call
4407	—AEGEAN MARINE PETROLEUM NETW	3,200	$7K	0.07%	Put
4408	MHLAMAIDEN HOLDINGS LTD	1,100	$7K	0.07%	Put
4409	—NEW SR INVT GROUP INC	900	$7K	0.07%
4410	MTRXMATRIX SVC CO	500	$7K	0.07%
4411	KMTKENNAMETAL INC	182	$7K	0.07%
4412	—RYDER SYS INC	100	$7K	0.07%	Call
4413	—TRAVELCENTERS AMER LLC	2,000	$7K	0.07%	Put
4414	—CONFORMIS INC	4,835	$7K	0.07%
4415	WRBW R BERKLEY CORPORATION	100	$7K	0.07%	Put
4416	SNDXSYNDAX PHARMACEUTICALS INC	500	$7K	0.07%	Put
4417	IMPMIMPAC MTG HLDGS INC	900	$7K	0.07%
4418	—VITAL THERAPIES INC	1,050	$7K	0.07%
4419	—REX ENERGY CORPORATION	7,970	$7K	0.07%
4420	TRMBTRIMBLE INC	200	$7K	0.07%	Put
4421	—NEW AGE BEVERAGES CORP	2,878	$7K	0.07%
4422	—VERASTEM INC	2,500	$7K	0.07%	Put
4423	HRIHERC HLDGS INC	100	$7K	0.07%	Call
4424	—TILE SHOP HLDGS INC	1,200	$7K	0.07%	Call
4425	ABUSARBUTUS BIOPHARMA CORP	1,400	$7K	0.07%	Put
4426	—PETROCHINA CO LTD	100	$7K	0.07%	Call
4427	—GULF ISLAND FABRICATION INC	1,000	$7K	0.07%	Call
4428	—EQT GP HLDGS LP	300	$7K	0.07%	Call
4429	LTXBUSDLEGACY TEX FINL GROUP INC	175	$7K	0.07%
4430	—NYMOX PHARMACEUTICAL CORP	1,600	$7K	0.07%	Call
4431	—KEANE GROUP INC	461	$7K	0.07%
4432	LOGILOGITECH INTL S A	200	$7K	0.07%	Put
4433	PGFUSDPENGROWTH ENERGY CORP	11,633	$7K	0.07%
4434	—CONFORMIS INC	4,500	$7K	0.07%	Put
4435	—J JILL INC	1,600	$7K	0.07%
4436	RSGREPUBLIC SVCS INC	100	$7K	0.07%	Put
4437	SIFYUSDSIFY TECHNOLOGIES LIMITED	3,248	$7K	0.07%
4438	—SIBANYE STILLWATER	1,700	$7K	0.07%	Call
4439	—TRAVELCENTERS AMER LLC	2,000	$7K	0.07%
4440	STRLSTERLING CONSTRUCTION CO INC	600	$7K	0.07%	Put
4441	—VITAL THERAPIES INC	1,000	$7K	0.07%	Put
4442	—VISTA OUTDOOR INC	400	$7K	0.07%	Call
4443	KPTIKARYOPHARM THERAPEUTICS INC	500	$7K	0.07%	Put
4444	FULTFULTON FINL CORP PA	400	$7K	0.07%
4445	—CELSION CORPORATION	3,000	$7K	0.07%	Put
4446	NINISOURCE INC	300	$7K	0.07%
4447	—CONTAINER STORE GROUP INC	1,200	$7K	0.07%	Call
4448	VSATVIASAT INC	1,000	$7K	0.06%	Call
4449	—CEDAR FAIR L P	1,000	$6K	0.06%	Put
4450	AMNAMN HEALTHCARE SERVICES INC	1,100	$6K	0.06%	Call
4451	ADNTADIENT PLC	100	$6K	0.06%	Put
4452	AOSSMITH A O	100	$6K	0.06%	Call
4453	—ARES MGMT LP	300	$6K	0.06%	Put
4454	PGRPROGRESSIVE CORP OHIO	100	$6K	0.06%	Put
4455	—OLLIES BARGAIN OUTLT HLDGS I	100	$6K	0.06%	Put
4456	—PACIFIC COAST OIL TR	2,900	$6K	0.06%	Put
4457	SBOWEURSILVERBOW RES INC	202	$6K	0.06%
4458	OSG1EUROVERSEAS SHIPHOLDING GROUP I	2,000	$6K	0.06%
4459	—EDGE THERAPEUTICS INC	5,000	$6K	0.06%
4460	CVICVR ENERGY INC	200	$6K	0.06%	Call
4461	—ACELRX PHARMACEUTICALS INC	3,000	$6K	0.06%	Put
4462	CROXCROCS INC	375	$6K	0.06%
4463	—TOCAGEN INC	500	$6K	0.06%	Put
4464	CVLTCOMMVAULT SYSTEMS INC	100	$6K	0.06%
4465	GDOTGREEN DOT CORP	100	$6K	0.06%	Put
4466	LENLENNAR CORP	100	$6K	0.06%	Put
4467	—500 COM LTD	333	$6K	0.06%
4468	CTRNCITI TRENDS INC	200	$6K	0.06%	Call
4469	—UNIT CORP	300	$6K	0.06%	Put
4470	—INTERNAP CORP	500	$6K	0.06%	Call
4471	MFAUSDMFA FINL INC	800	$6K	0.06%
4472	HLITHARMONIC INC	1,600	$6K	0.06%	Put
4473	BWXTBWX TECHNOLOGIES INC	100	$6K	0.06%	Call
4474	GILGILDAN ACTIVEWEAR INC	200	$6K	0.06%	Call
4475	SSI3EURSTAGE STORES INC	2,586	$6K	0.06%
4476	—AUDENTES THERAPEUTICS INC	200	$6K	0.06%	Call
4477	—REVANCE THERAPEUTICS INC	200	$6K	0.06%	Put
4478	RFILRF INDS LTD	1,400	$6K	0.06%
4479	—SCHWAB STRATEGIC TR	100	$6K	0.06%	Call
4480	—GRAN TIERRA ENERGY INC	2,000	$6K	0.06%	Put
4481	—RESONANT INC	2,000	$6K	0.06%
4482	—PENGROWTH ENERGY CORP	9,800	$6K	0.06%	Call
4483	—ACETO CORP	800	$6K	0.06%	Put
4484	AGCOAGCO CORP	100	$6K	0.06%
4485	KEPKOREA ELECTRIC PWR	400	$6K	0.06%
4486	—REXAHN PHARMACEUTICALS INC	3,878	$6K	0.06%
4487	WITWIPRO LTD	1,000	$5K	0.05%
4488	—ENBRIDGE ENERGY MANAGEMENT L	600	$5K	0.05%	Call
4489	—CHICOS FAS INC	500	$5K	0.05%	Put
4490	—DYNEGY INC NEW DEL	400	$5K	0.05%	Put
4491	PDLIEURPDL BIOPHARMA INC	1,662	$5K	0.05%
4492	—BELLATRIX EXPLORATION LTD	5,000	$5K	0.05%
4493	—SENIOR HSG PPTYS TR	307	$5K	0.05%
4494	SMCISUPER MICRO COMPUTER INC	300	$5K	0.05%	Put
4495	LTM1GBPLATAM AIRLS GROUP S A	300	$5K	0.05%
4496	PLABPHOTRONICS INC	600	$5K	0.05%	Call
4497	TBPHTHERAVANCE BIOPHARMA INC	200	$5K	0.05%	Put
4498	—ORANGE	300	$5K	0.05%	Call
4499	—EAGLE BULK SHIPPING INC	1,000	$5K	0.05%	Call
4500	TZOOTRAVELZOO	700	$5K	0.05%	Put

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