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
4601	—BERRY GLOBAL GROUP INC	5,200	$339K	0.41%	Call
4602	BPOPPOPULAR INC	4,500	$338K	0.41%	Call
4603	—GENETIC TECHNOLOGIES LTD	79,510	$338K	0.41%
4604	—WILLSCOT MOBIL MINI HLDNG CO	12,100	$337K	0.41%	Put
4605	VLYVALLEY NATL BANCORP	25,100	$337K	0.41%	Call
4606	QSIQUANTUM SI INC	27,500	$337K	0.41%
4607	—TRIVAGO N V	101,500	$336K	0.41%	Call
4608	FLEXFLEX LTD	18,800	$336K	0.41%	Put
4609	—GLADSTONE CAPITAL CORP	29,400	$336K	0.41%	Call
4610	—SURFACE ONCOLOGY INC	45,100	$336K	0.41%	Put
4611	ZEUSOLYMPIC STEEL INC	11,447	$336K	0.41%
4612	VRNSVARONIS SYS INC	5,806	$335K	0.40%
4613	MTLSMATERIALISE NV	13,900	$335K	0.40%	Call
4614	CLHCLEAN HARBORS INC	3,600	$335K	0.40%	Call
4615	VICIVICI PPTYS INC	10,763	$334K	0.40%
4616	WDWALKER & DUNLOP INC	3,200	$334K	0.40%	Call
4617	UANCVR PARTNERS LP	5,400	$334K	0.40%	Call
4618	RRXREGAL BELOIT CORP	2,500	$334K	0.40%	Put
4619	—AMERICAN VRTUAL CLOUD TECH I	55,500	$334K	0.40%	Call
4620	OCOWENS CORNING NEW	3,400	$333K	0.40%	Put
4621	BAHBOOZ ALLEN HAMILTON HLDG COR	3,900	$332K	0.40%	Put
4622	BNSBANK NOVA SCOTIA B C	5,100	$332K	0.40%	Put
4623	CPRXCATALYST PHARMACEUTICALS INC	57,800	$332K	0.40%	Put
4624	—STRONGBRIDGE BIOPHARMA PLC	111,500	$331K	0.40%	Call
4625	CRBPCORBUS PHARMACEUTICALS HLDGS	180,600	$331K	0.40%	Call
4626	IMVTIMMUNOVANT INC	31,268	$331K	0.40%
4627	—BEST INC	185,800	$331K	0.40%	Put
4628	WEXWEX INC	1,700	$330K	0.40%	Call
4629	AMRCAMERESCO INC	5,261	$330K	0.40%
4630	DAOYOUDAO INC	14,300	$330K	0.40%	Put
4631	—PREFERRED APT CMNTYS INC	33,820	$330K	0.40%
4632	—NABRIVA THERAPEUTICS PLC	244,200	$330K	0.40%	Call
4633	—CHIMERA INVT CORP	21,900	$330K	0.40%	Put
4634	OUTOUTFRONT MEDIA INC	13,691	$329K	0.40%
4635	XRAYDENTSPLY SIRONA INC	5,200	$329K	0.40%	Put
4636	AAOIAPPLIED OPTOELECTRONICS INC	38,800	$329K	0.40%	Call
4637	NPKINEWPARK RES INC	95,200	$329K	0.40%	Call
4638	—HORIZON ACQUISITION CORPORAT	33,529	$328K	0.40%
4639	—COMPANIA DE MINAS BUENAVENTU	36,200	$328K	0.40%	Put
4640	—CTI BIOPHARMA CORP	131,200	$328K	0.40%	Call
4641	—PETIQ INC	8,500	$328K	0.40%	Put
4642	—ENERPLUS CORP	45,500	$327K	0.39%	Call
4643	T7DTRANSDIGM GROUP INC	504	$326K	0.39%
4644	—EMCORE CORP	35,400	$326K	0.39%	Put
4645	TRUPTRUPANION INC	2,829	$326K	0.39%
4646	—THE9 LTD	22,800	$325K	0.39%	Put
4647	STRLSTERLING CONSTR INC	13,489	$325K	0.39%
4648	CALCALERES INC	11,900	$325K	0.39%	Put
4649	EXTREXTREME NETWORKS INC	29,100	$325K	0.39%	Call
4650	GOOGLALPHABET INC	129,500	$325K	0.39%	Call
4651	0HJQAVEO PHARMACEUTICALS INC	49,215	$324K	0.39%
4652	EFTTECHTARGET INC	4,183	$324K	0.39%
4653	HMHCHOUGHTON MIFFLIN HARCOURT CO	29,316	$324K	0.39%
4654	—SUSTAINABLE OPPORTNTS ACQ CO	32,500	$323K	0.39%	Put
4655	BLBLACKLINE INC	2,900	$323K	0.39%	Put
4656	ZUMZZUMIEZ INC	6,600	$323K	0.39%	Call
4657	LOMALOMA NEGRA C I A S A MTN 14	47,300	$322K	0.39%	Put
4658	ENRENERGIZER HLDGS INC NEW	7,500	$322K	0.39%	Call
4659	—SOLID BIOSCIENCES INC	88,100	$322K	0.39%	Call
4660	PWPPERELLA WEINBERG PARTNERS	25,000	$322K	0.39%	Call
4661	IRINGERSOLL RAND INC	6,600	$322K	0.39%	Put
4662	GNKGENCO SHIPPING & TRADING LTD	17,000	$321K	0.39%	Call
4663	FAIFIRST TR EXCHANGE-TRADED FD	14,900	$321K	0.39%	Call
4664	LEALEAR CORP	1,834	$321K	0.39%
4665	—ATHENEX INC	69,500	$321K	0.39%	Put
4666	—ENERGOUS CORP	111,500	$320K	0.39%	Put
4667	YEXTYEXT INC	22,400	$320K	0.39%	Call
4668	—DYCOM INDS INC	4,300	$320K	0.39%	Call
4669	—GENPREX INC	95,600	$320K	0.39%	Put
4670	—ORBCOMM INC	28,500	$320K	0.39%	Call
4671	ARCCARES CAPITAL CORP	16,337	$320K	0.39%
4672	—DMY TECHNOLOGY GROUP INC III	29,900	$320K	0.39%	Call
4673	—FSD PHARMA INC	182,300	$319K	0.38%	Call
4674	FHIFEDERATED HERMES INC	9,400	$319K	0.38%	Call
4675	RSGREPUBLIC SVCS INC	2,900	$319K	0.38%	Call
4676	AVNTNAVIENT CORPORATION	16,500	$319K	0.38%	Put
4677	—CBDMD INC	109,900	$319K	0.38%	Call
4678	CTSHCOGNIZANT TECHNOLOGY SOLUTIO	4,590	$318K	0.38%
4679	MYGNMYRIAD GENETICS INC	10,400	$318K	0.38%	Call
4680	RSRELIANCE STEEL & ALUMINUM CO	2,100	$317K	0.38%
4681	—VERASTEM INC	77,900	$317K	0.38%	Put
4682	—LIMINAL BIOSCIENCES INC	81,400	$317K	0.38%	Call
4683	—OLD REP INTL CORP	12,700	$316K	0.38%	Call
4684	TDTORONTO DOMINION BK ONT	4,518	$316K	0.38%
4685	AKBAAKEBIA THERAPEUTICS INC	83,300	$316K	0.38%	Call
4686	—ALEXCO RESOURCE CORP	125,800	$315K	0.38%	Put
4687	SBSAFE BULKERS INC	78,468	$315K	0.38%
4688	LOCOEL POLLO LOCO HLDGS INC	17,200	$315K	0.38%	Call
4689	—EBANG INTL HLDGS INC	102,400	$315K	0.38%	Put
4690	YELPYELP INC	7,873	$315K	0.38%
4691	—M D C HLDGS INC	6,200	$314K	0.38%	Call
4692	AMSCAMERICAN SUPERCONDUCTOR CORP	17,996	$313K	0.38%
4693	—OASIS MIDSTREAM PARTNERS LP	13,300	$312K	0.38%	Call
4694	SIBNSI-BONE INC	9,900	$312K	0.38%	Call
4695	MDMEDNAX INC	10,307	$311K	0.38%
4696	—EARGO INC	7,800	$311K	0.38%	Put
4697	—LIPOCINE INC NEW	222,100	$311K	0.38%	Call
4698	BTAIBIOXCEL THERAPEUTICS INC	10,700	$311K	0.38%	Call
4699	MSGEMADISON SQUARE GRDN SPRT COR	1,800	$311K	0.38%	Put
4700	LYGLLOYDS BANKING GROUP PLC	122,000	$311K	0.38%	Put

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