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
4601	HMCHONDA MOTOR LTD	100	$3K	0.03%	Call
4602	TDWTIDEWATER INC NEW	100	$3K	0.03%	Put
4603	—ABRAXAS PETE CORP	1,200	$3K	0.03%	Put
4604	—JUST ENERGY GROUP INC	600	$3K	0.03%	Call
4605	—MGIC INVT CORP WIS	200	$3K	0.03%	Call
4606	—BELMOND LTD	300	$3K	0.03%	Call
4607	—ISHARES GOLD TRUST	200	$3K	0.03%	Put
4608	—SYNACOR INC	2,156	$3K	0.03%
4609	FCFRANKLIN COVEY CO	104	$3K	0.03%
4610	—SPECTRA ENERGY PARTNERS LP	88	$3K	0.03%
4611	SRISTONERIDGE INC	100	$3K	0.03%	Call
4612	—AMIRA NATURE FOODS LTD	800	$3K	0.03%	Call
4613	—ZAFGEN INC	402	$3K	0.03%
4614	CLDTCHATHAM LODGING TR	163	$3K	0.03%
4615	INVNIDENTIV INC	669	$3K	0.03%
4616	—MIMECAST LTD	800	$3K	0.03%	Call
4617	CBRECBRE GROUP INC	600	$3K	0.03%	Put
4618	—LYON WILLIAM HOMES	1,000	$3K	0.03%	Put
4619	—CURRENCYSHS JAPANESE YEN TR	300	$3K	0.03%	Call
4620	HCIHCI GROUP INC	600	$2K	0.02%	Call
4621	RLRALPH LAUREN CORP	200	$2K	0.02%	Put
4622	NWSANEWS CORP NEW	1,300	$2K	0.02%	Call
4623	—ORAMED PHARM INC	3,100	$2K	0.02%	Put
4624	—REV GROUP INC	100	$2K	0.02%	Call
4625	AXSMAXSOME THERAPEUTICS INC	1,000	$2K	0.02%	Put
4626	LSCCLATTICE SEMICONDUCTOR CORP	300	$2K	0.02%	Call
4627	ENVAENOVA INTL INC	100	$2K	0.02%
4628	—SEVEN STARS CLOUD GROUP INC	1,000	$2K	0.02%	Call
4629	AROCARCHROCK INC	200	$2K	0.02%	Put
4630	—HRG GROUP INC	100	$2K	0.02%	Call
4631	—HIGHPOWER INTL INC	400	$2K	0.02%	Put
4632	COHUCOHU INC	100	$2K	0.02%	Call
4633	—TEEKAY TANKERS LTD	2,000	$2K	0.02%	Call
4634	NEONEOGENOMICS INC	200	$2K	0.02%	Put
4635	PRKRPARKERVISION INC	2,847	$2K	0.02%
4636	AROCARCHROCK INC	200	$2K	0.02%
4637	—LSC COMMUNICATIONS INC	100	$2K	0.02%	Call
4638	PUMPPROPETRO HLDG CORP	97	$2K	0.02%
4639	GLREGREENLIGHT CAPITAL RE LTD	100	$2K	0.02%	Put
4640	SABRSABRE CORP	100	$2K	0.02%	Call
4641	—GULF RESOURCES INC	1,244	$2K	0.02%
4642	RETAEURREATA PHARMACEUTICALS INC	100	$2K	0.02%
4643	—PLATFORM SPECIALTY PRODS COR	200	$2K	0.02%	Call
4644	—DIPLOMAT PHARMACY INC	100	$2K	0.02%	Call
4645	XOMAXOMA CORP DEL	105	$2K	0.02%
4646	DHXDHI GROUP INC	1,500	$2K	0.02%	Put
4647	CNDTCONDUENT INC	100	$2K	0.02%	Call
4648	—CARDIOME PHARMA CORP	917	$2K	0.02%
4649	—MEI PHARMA INC	1,000	$2K	0.02%	Put
4650	—PSIVIDA CORP	1,568	$2K	0.02%
4651	—VERSARTIS INC	1,300	$2K	0.02%	Call
4652	—RADA ELECTR INDS LTD	800	$2K	0.02%
4653	—HYDROGENICS CORP NEW	200	$2K	0.02%	Call
4654	—FIESTA RESTAURANT GROUP INC	100	$2K	0.02%	Put
4655	—CHINA INFORMATION TECHNOLOGY	900	$2K	0.02%	Put
4656	—VENATOR MATLS PLC	100	$2K	0.02%	Put
4657	GPKGRAPHIC PACKAGING HLDG CO	100	$2K	0.02%	Put
4658	—RETROPHIN INC	100	$2K	0.02%	Put
4659	LXPLEXINGTON REALTY TRUST	300	$2K	0.02%	Put
4660	—REV GROUP INC	100	$2K	0.02%	Put
4661	—KOSMOS ENERGY LTD	300	$2K	0.02%	Call
4662	—PICO HLDGS INC	200	$2K	0.02%	Put
4663	1RGREV GROUP INC	100	$2K	0.02%
4664	—BLACKROCK CAPITAL INVESTMENT	300	$2K	0.02%	Put
4665	TKTEEKAY CORPORATION	231	$2K	0.02%
4666	—MFA FINL INC	200	$2K	0.02%	Call
4667	—AGNC INVT CORP	100	$2K	0.02%	Put
4668	—ORGANOVO HLDGS INC	1,500	$2K	0.02%	Call
4669	EXREXTRA SPACE STORAGE INC	21	$2K	0.02%
4670	—OLD REP INTL CORP	100	$2K	0.02%	Put
4671	—RETROPHIN INC	68	$2K	0.02%
4672	—AEGEAN MARINE PETROLEUM NETW	1,000	$2K	0.02%	Call
4673	—REVLON INC	100	$2K	0.02%	Call
4674	—ALLSCRIPTS HEALTHCARE SOLUTN	200	$2K	0.02%	Put
4675	TVGRUPO TELEVISA SA	100	$2K	0.02%	Call
4676	—INFRAREIT INC	1,000	$2K	0.02%	Put
4677	—FOMENTO ECONOMICO MEXICANO S	200	$2K	0.02%	Put
4678	—WEB COM GROUP INC	1,000	$2K	0.02%	Call
4679	NDAQNASDAQ INC	200	$2K	0.02%	Call
4680	—SUPERIOR INDS INTL INC	1,000	$1K	0.01%	Put
4681	—AT HOME GROUP INC	400	$1K	0.01%	Call
4682	EGBNEAGLE BANCORP INC MD	200	$1K	0.01%	Call
4683	NVGSNAVIGATOR HOLDINGS LTD	1,000	$1K	0.01%	Put
4684	—VOCERA COMMUNICATIONS INC	500	$1K	0.01%	Put
4685	—MITEL NETWORKS CORP	1,200	$1K	0.01%	Put
4686	PSOPEARSON PLC	1,000	$1K	0.01%	Call
4687	—ANDEAVOR	100	$1K	0.01%	Put
4688	WTTRSELECT ENERGY SVCS INC	100	$1K	0.01%	Call
4689	—DICERNA PHARMACEUTICALS INC	100	$1K	0.01%	Put
4690	—SELLAS LIFE SCIENCES GROUP I	224	$1K	0.01%
4691	—PHH CORP	100	$1K	0.01%	Put
4692	—ORIGIN AGRITECH LIMITED	800	$1K	0.01%
4693	MQ8MAG SILVER CORP	135	$1K	0.01%
4694	—CYS INVTS INC	185	$1K	0.01%
4695	CWSTCASELLA WASTE SYS INC	57	$1K	0.01%
4696	—ENLINK MIDSTREAM PARTNERS LP	100	$1K	0.01%	Call
4697	DWSNDAWSON GEOPHYSICAL CO NEW	100	$1K	0.01%
4698	JOEST JOE CO	300	$1K	0.01%	Call
4699	RCKTROCKET PHARMACEUTICALS INC	55	$1K	0.01%
4700	—TRUECAR INC	100	$1K	0.01%	Put

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