GROUP ONE TRADING LLC Q2 2021 Filing

Filed August 10, 2021

Portfolio Value

$82.9M

Holdings

8,103

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (8,103 positions)

#	Stock	Shares	Value	% Portfolio	Type
7601	BLRXBIOLINERX LTD	2,700	$8K	0.01%	Call
7602	—COMSCORE INC	1,500	$8K	0.01%	Put
7603	—CORE LABORATORIES N V	200	$8K	0.01%	Put
7604	MATWMATTHEWS INTL CORP	219	$8K	0.01%
7605	BCOBRINKS CO	100	$8K	0.01%
7606	NBPI MAB	100	$8K	0.01%	Call
7607	AIRGAIRGAIN INC	400	$8K	0.01%	Put
7608	TCXTUCOWS INC	100	$8K	0.01%
7609	CRSCARPENTER TECHNOLOGY CORP	200	$8K	0.01%	Put
7610	RJR1STEREOTAXIS INC	800	$8K	0.01%
7611	WTFCWINTRUST FINL CORP	100	$8K	0.01%	Call
7612	JYNTJOINT CORP	100	$8K	0.01%	Put
7613	PVLPERMIANVILLE RTY TR	3,957	$8K	0.01%
7614	GBIOGENERATION BIO CO	300	$8K	0.01%	Put
7615	2JQGRITSTONE BIO INC	913	$8K	0.01%
7616	—GREAT PANTHER MNG LTD	13,400	$8K	0.01%	Put
7617	BOHBANK HAWAII CORP	100	$8K	0.01%	Call
7618	CVLTCOMMVAULT SYS INC	100	$8K	0.01%	Put
7619	—MANNING & NAPIER INC	1,000	$8K	0.01%	Put
7620	DZSIQDZS INC	400	$8K	0.01%
7621	TMOTHERMO FISHER SCIENTIFIC INC	15,126	$8K	0.01%
7622	—DR REDDYS LABS LTD	100	$7K	0.01%	Put
7623	UMHUMH PPTYS INC	300	$7K	0.01%
7624	—TRINITY BIOTECH PLC	2,300	$7K	0.01%	Put
7625	PJTPJT PARTNERS INC	100	$7K	0.01%	Call
7626	PPTPREMIER INC	200	$7K	0.01%	Put
7627	—FRANCHISE GROUP INC	200	$7K	0.01%	Call
7628	CIR2USDCIRCOR INTL INC	200	$7K	0.01%
7629	BMIBP PRUDHOE BAY RTY TR	1,434	$7K	0.01%
7630	TTS1EURTILE SHOP HLDGS INC	835	$7K	0.01%
7631	EZPWEZCORP INC	1,100	$7K	0.01%	Call
7632	LXPLEXINGTON REALTY TRUST	600	$7K	0.01%	Call
7633	CNOCNO FINL GROUP INC	300	$7K	0.01%	Call
7634	CULPCULP INC	400	$7K	0.01%
7635	PJTPJT PARTNERS INC	100	$7K	0.01%
7636	MRCYMERCURY SYS INC	100	$7K	0.01%	Put
7637	SMHISEACOR MARINE HLDGS INC	1,500	$7K	0.01%	Put
7638	KFYKORN FERRY	100	$7K	0.01%	Put
7639	DHCDIVERSIFIED HEALTHCARE TR	1,631	$7K	0.01%
7640	ORNORION GROUP HLDGS INC	1,200	$7K	0.01%	Put
7641	—HARPOON THERAPEUTICS INC	471	$7K	0.01%
7642	—PRECIPIO INC	2,000	$7K	0.01%
7643	EKSOEKSO BIONICS HLDGS INC	1,200	$7K	0.01%	Put
7644	—LUNA INNOVATIONS INC	600	$7K	0.01%	Call
7645	—FLEXION THERAPEUTICS INC	900	$7K	0.01%	Put
7646	—RYDER SYS INC	100	$7K	0.01%	Put
7647	GGENPACT LIMITED	159	$7K	0.01%
7648	—FRANKLIN STR PPTYS CORP	1,400	$7K	0.01%	Call
7649	SGRYSURGERY PARTNERS INC	100	$7K	0.01%	Call
7650	—FRANKS INTL N V	2,200	$7K	0.01%	Call
7651	MRCYMERCURY SYS INC	100	$7K	0.01%	Call
7652	SNDRSCHNEIDER NATIONAL INC	300	$7K	0.01%	Put
7653	CTRECARETRUST REIT INC	300	$7K	0.01%	Put
7654	—QUALIGEN THERAPEUTICS INC	3,314	$7K	0.01%
7655	—QUALIGEN THERAPEUTICS INC	3,600	$7K	0.01%	Call
7656	AOSSMITH A O CORP	100	$7K	0.01%	Put
7657	—KEZAR LIFE SCIENCES INC	1,300	$7K	0.01%	Call
7658	ARCBARCBEST CORP	123	$7K	0.01%
7659	VNRXVOLITIONRX LTD	2,200	$7K	0.01%	Call
7660	SYPRSYPRIS SOLUTIONS INC	2,000	$7K	0.01%	Put
7661	INVAINNOVIVA INC	500	$7K	0.01%	Call
7662	OGSONE GAS INC	100	$7K	0.01%	Put
7663	TCPCBLACKROCK TCP CAPITAL CORP	500	$7K	0.01%	Put
7664	—VOXELJET AG	581	$7K	0.01%
7665	—ASPIRA WOMENS HEALTH INC	1,300	$7K	0.01%	Put
7666	JFINJIAYIN GROUP INC	1,400	$7K	0.01%	Put
7667	PNRPENTAIR PLC	100	$7K	0.01%	Put
7668	—EYEPOINT PHARMACEUTICALS INC	800	$7K	0.01%	Put
7669	—VAPOTHERM INC	300	$7K	0.01%	Put
7670	—ZIX CORP	800	$6K	0.01%	Put
7671	PTVEPACTIV EVERGREEN INC	400	$6K	0.01%
7672	—PHASEBIO PHARMACEUTICALS INC	1,500	$6K	0.01%	Put
7673	—MOLECULAR TEMPLATES INC	800	$6K	0.01%	Call
7674	—CALAMP CORP	500	$6K	0.01%	Put
7675	LILALIBERTY LATIN AMERICA LTD	431	$6K	0.01%
7676	NUVBNUVATION BIO INC	600	$6K	0.01%	Call
7677	RVMDREVOLUTION MEDICINES INC	200	$6K	0.01%	Put
7678	QTRXQUANTERIX CORP	100	$6K	0.01%	Put
7679	—NORTH AMERN CONSTR GROUP LTD	400	$6K	0.01%	Call
7680	SMMTSUMMIT THERAPEUTICS INC	800	$6K	0.01%	Put
7681	IDYAIDEAYA BIOSCIENCES INC	300	$6K	0.01%
7682	NYMXFNYMOX PHARMACEUTICAL CORP	3,931	$6K	0.01%
7683	STCSTEWART INFORMATION SVCS COR	100	$6K	0.01%
7684	ECECOPETROL S A	400	$6K	0.01%	Put
7685	KREFKKR REAL ESTATE FIN TR INC	300	$6K	0.01%
7686	KTBKONTOOR BRANDS INC	100	$6K	0.01%	Put
7687	—GLADSTONE INVT CORP	400	$6K	0.01%	Put
7688	ARESARES MANAGEMENT CORPORATION	100	$6K	0.01%	Call
7689	—NEUROBO PHARMACEUTICALS INC	1,904	$6K	0.01%
7690	—HERITAGE COMM CORP	500	$6K	0.01%	Call
7691	—BANCORPSOUTH BK TUPELO MISS	200	$6K	0.01%	Put
7692	FCFRANKLIN COVEY CO	200	$6K	0.01%	Put
7693	BPFHBOSTON PRIVATE FINL HLDGS IN	400	$6K	0.01%
7694	—POTBELLY CORP	700	$6K	0.01%	Call
7695	REYNREYNOLDS CONSUMER PRODS INC	200	$6K	0.01%	Put
7696	FSPFRANKLIN STR PPTYS CORP	1,117	$6K	0.01%
7697	—LEJU HLDGS LTD	3,216	$6K	0.01%
7698	AHHARMADA HOFFLER PPTYS INC	482	$6K	0.01%
7699	—BANCO SANTANDER MEXICO SA	900	$6K	0.01%	Put
7700	GDYNGRID DYNAMICS HLDGS INC	400	$6K	0.01%	Put

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