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	GLDDGREAT LAKES DREDGE & DOCK CO	600	$3K	0.03%	Call
4602	—SYNACOR INC	2,156	$3K	0.03%
4603	—PETROQUEST ENERGY INC	5,100	$3K	0.03%	Put
4604	PFGCPERFORMANCE FOOD GROUP CO	100	$3K	0.03%	Call
4605	FETUSDFORUM ENERGY TECHNOLOGIES IN	300	$3K	0.03%
4606	—ROSETTA STONE INC	200	$3K	0.03%	Put
4607	—PROTALIX BIOTHERAPEUTICS INC	6,000	$3K	0.03%	Put
4608	—ABRAXAS PETE CORP	1,200	$3K	0.03%	Put
4609	TDWTIDEWATER INC NEW	100	$3K	0.03%	Put
4610	—MOLECULAR TEMPLATES INC	424	$3K	0.03%
4611	—ENLINK MIDSTREAM PARTNERS LP	200	$3K	0.03%
4612	SMCIUSDSUPER MICRO COMPUTER INC	200	$3K	0.03%
4613	—JUST ENERGY GROUP INC	600	$3K	0.03%	Call
4614	COLLCOLLEGIUM PHARMACEUTICAL INC	100	$3K	0.03%	Call
4615	MACKEURMERRIMACK PHARMACEUTICALS IN	417	$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	LSCCLATTICE SEMICONDUCTOR CORP	300	$2K	0.02%	Call
4625	EXREXTRA SPACE STORAGE INC	21	$2K	0.02%
4626	—MEI PHARMA INC	1,000	$2K	0.02%	Put
4627	—HRG GROUP INC	100	$2K	0.02%	Call
4628	PUMPPROPETRO HLDG CORP	97	$2K	0.02%
4629	—ALLSCRIPTS HEALTHCARE SOLUTN	200	$2K	0.02%	Put
4630	—MFA FINL INC	200	$2K	0.02%	Call
4631	—PLATFORM SPECIALTY PRODS COR	200	$2K	0.02%	Call
4632	—REV GROUP INC	100	$2K	0.02%	Call
4633	—TEEKAY TANKERS LTD	2,000	$2K	0.02%	Call
4634	AXSMAXSOME THERAPEUTICS INC	1,000	$2K	0.02%	Put
4635	RETAEURREATA PHARMACEUTICALS INC	100	$2K	0.02%
4636	AROCARCHROCK INC	200	$2K	0.02%
4637	AROCARCHROCK INC	200	$2K	0.02%	Put
4638	—GULF RESOURCES INC	1,244	$2K	0.02%
4639	—CHINA INFORMATION TECHNOLOGY	900	$2K	0.02%	Put
4640	—SEVEN STARS CLOUD GROUP INC	1,000	$2K	0.02%	Call
4641	GPKGRAPHIC PACKAGING HLDG CO	100	$2K	0.02%	Put
4642	LXPLEXINGTON REALTY TRUST	300	$2K	0.02%	Put
4643	—OLD REP INTL CORP	100	$2K	0.02%	Put
4644	—LSC COMMUNICATIONS INC	100	$2K	0.02%	Call
4645	COHUCOHU INC	100	$2K	0.02%	Call
4646	CNDTCONDUENT INC	100	$2K	0.02%	Call
4647	—HIGHPOWER INTL INC	400	$2K	0.02%	Put
4648	—REV GROUP INC	100	$2K	0.02%	Put
4649	—PSIVIDA CORP	1,568	$2K	0.02%
4650	—FIESTA RESTAURANT GROUP INC	100	$2K	0.02%	Put
4651	—RETROPHIN INC	68	$2K	0.02%
4652	—RETROPHIN INC	100	$2K	0.02%	Put
4653	—BLACKROCK CAPITAL INVESTMENT	300	$2K	0.02%	Put
4654	NEONEOGENOMICS INC	200	$2K	0.02%	Put
4655	—AGNC INVT CORP	100	$2K	0.02%	Put
4656	—CARDIOME PHARMA CORP	917	$2K	0.02%
4657	—PICO HLDGS INC	200	$2K	0.02%	Put
4658	SABRSABRE CORP	100	$2K	0.02%	Call
4659	—ORGANOVO HLDGS INC	1,500	$2K	0.02%	Call
4660	ENVAENOVA INTL INC	100	$2K	0.02%
4661	—DIPLOMAT PHARMACY INC	100	$2K	0.02%	Call
4662	XOMAXOMA CORP DEL	105	$2K	0.02%
4663	TKTEEKAY CORPORATION	231	$2K	0.02%
4664	—KOSMOS ENERGY LTD	300	$2K	0.02%	Call
4665	—VERSARTIS INC	1,300	$2K	0.02%	Call
4666	—VENATOR MATLS PLC	100	$2K	0.02%	Put
4667	—REVLON INC	100	$2K	0.02%	Call
4668	—AEGEAN MARINE PETROLEUM NETW	1,000	$2K	0.02%	Call
4669	TVGRUPO TELEVISA SA	100	$2K	0.02%	Call
4670	—RADA ELECTR INDS LTD	800	$2K	0.02%
4671	1RGREV GROUP INC	100	$2K	0.02%
4672	PRKRPARKERVISION INC	2,847	$2K	0.02%
4673	DHXDHI GROUP INC	1,500	$2K	0.02%	Put
4674	—HYDROGENICS CORP NEW	200	$2K	0.02%	Call
4675	GLREGREENLIGHT CAPITAL RE LTD	100	$2K	0.02%	Put
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	—LA QUINTA HLDGS INC	63	$1K	0.01%
4689	SNDSMART SAND INC	200	$1K	0.01%	Put
4690	—PENGROWTH ENERGY CORP	1,900	$1K	0.01%	Put
4691	—TRUECAR INC	100	$1K	0.01%	Put
4692	—INSEEGO CORP	800	$1K	0.01%	Call
4693	CDXSCODEXIS INC	100	$1K	0.01%	Call
4694	BKCCUSDBLACKROCK CAPITAL INVESTMENT	184	$1K	0.01%
4695	—ALTIMMUNE INC	615	$1K	0.01%
4696	MCRBSERES THERAPEUTICS INC	100	$1K	0.01%	Put
4697	—AMERICA FIRST MULTIFAMILY IN	200	$1K	0.01%	Put
4698	MMLPMARTIN MIDSTREAM PRTNRS L P	100	$1K	0.01%	Put
4699	—FS INVT CORP	100	$1K	0.01%	Call
4700	—CHINANET ONLINE HLDGS INC	400	$1K	0.01%	Put

PreviousPage 47 of 49Next