GROUP ONE TRADING LLC Q4 2020 Filing

Filed February 10, 2021

Portfolio Value

$57.8M

Holdings

6,453

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (6,453 positions)

#	Stock	Shares	Value	% Portfolio	Type
4601	MSMMSC INDL DIRECT INC	1,100	$93K	0.16%	Call
4602	—ION GEOPHYSICAL CORP	38,300	$93K	0.16%	Call
4603	—WASHINGTON PRIME GROUP NEW	14,300	$93K	0.16%	Put
4604	QNSTQUINSTREET INC	4,278	$92K	0.16%
4605	—AMERICAN WTR WKS CO INC NEW	600	$92K	0.16%	Put
4606	—CLEVER LEAVES HOLDINGS INC	10,348	$92K	0.16%
4607	—FS KKR CAP CORP II	5,600	$92K	0.16%
4608	—VOXX INTL CORP	7,200	$92K	0.16%	Call
4609	ZUMZZUMIEZ INC	2,500	$92K	0.16%	Call
4610	ATIALLEGHENY TECHNOLOGIES INC	5,500	$92K	0.16%	Put
4611	—AKOUSTIS TECHNOLOGIES INC	7,500	$92K	0.16%	Call
4612	CR1USDCRANE CO	1,186	$92K	0.16%
4613	—ORCHARD THERAPEUTICS PLC	21,400	$92K	0.16%	Call
4614	IRTINDEPENDENCE RLTY TR INC	6,800	$91K	0.16%	Call
4615	SIVRABERDEEN STD SILVER ETF TR	3,562	$91K	0.16%
4616	—DYCOM INDS INC	1,200	$91K	0.16%	Put
4617	—GASLOG LTD	24,587	$91K	0.16%
4618	—IAA INC	1,400	$91K	0.16%	Put
4619	—EBIX INC	2,400	$91K	0.16%	Put
4620	OECORION ENGINEERED CARBONS S A	5,300	$91K	0.16%
4621	—SCIPLAY CORPORATION	6,600	$91K	0.16%	Put
4622	—AIR TRANSPORT SERVICES GRP I	2,900	$91K	0.16%	Put
4623	SPYUBANK MONTREAL QUE	1,200	$91K	0.16%	Call
4624	ETRENTERGY CORP NEW	900	$90K	0.16%
4625	NHINATIONAL HEALTH INVS INC	1,300	$90K	0.16%	Call
4626	—KINIKSA PHARMACEUTICALS LTD	5,100	$90K	0.16%	Call
4627	EP3ORASURE TECHNOLOGIES INC	8,471	$90K	0.16%
4628	—EROS STX GLOBAL CORPORATION	49,300	$90K	0.16%	Put
4629	WTWISDOMTREE INVTS INC	16,800	$90K	0.16%	Call
4630	XBITXBIOTECH INC	5,700	$89K	0.15%	Call
4631	—ENTERCOM COMMUNICATIONS CORP	36,200	$89K	0.15%	Put
4632	AOUTAMERICAN OUTDOOR BRANDS INC	5,200	$89K	0.15%	Call
4633	TRQCADTURQUOISE HILL RES LTD	7,150	$89K	0.15%
4634	—EVOKE PHARMA INC	34,500	$89K	0.15%
4635	BKEBUCKLE INC	3,000	$88K	0.15%	Call
4636	—VIEWRAY INC	23,100	$88K	0.15%	Put
4637	PBAPEMBINA PIPELINE CORP	3,700	$88K	0.15%	Call
4638	—ATARA BIOTHERAPEUTICS INC	4,500	$88K	0.15%	Put
4639	ADBEADOBE SYSTEMS INCORPORATED	175,400	$88K	0.15%	Put
4640	LADLITHIA MTRS INC	297	$87K	0.15%
4641	RMREGIONAL MGMT CORP	2,900	$87K	0.15%	Call
4642	VLRSCONTROLADORA VUELA COMP DE A	7,000	$87K	0.15%	Put
4643	WCCWESCO INTL INC	1,100	$86K	0.15%	Put
4644	QNSTQUINSTREET INC	4,000	$86K	0.15%	Call
4645	WHGWESTWOOD HLDGS GROUP INC	5,900	$86K	0.15%	Put
4646	ATOATMOS ENERGY CORP	900	$86K	0.15%	Put
4647	—MSG NETWORK INC	5,800	$85K	0.15%	Call
4648	LANDGLADSTONE LD CORP	5,789	$85K	0.15%
4649	MOHMOLINA HEALTHCARE INC	400	$85K	0.15%	Call
4650	—CHINA PETROLEUM & CHEMICAL C	1,900	$85K	0.15%	Put
4651	—MOLECULAR TEMPLATES INC	9,100	$85K	0.15%	Call
4652	QLYSQUALYS INC	700	$85K	0.15%
4653	JBLJABIL INC	2,000	$85K	0.15%	Put
4654	—ICLICK INTERACTIVE ASIA GROU	9,900	$85K	0.15%	Put
4655	—INFRA AND ENERGY ALTRNTIVE I	5,100	$85K	0.15%	Call
4656	—EXONE CO	8,800	$84K	0.15%	Put
4657	GAUGALIANO GOLD INC	74,400	$84K	0.15%	Call
4658	PFGPRINCIPAL FINANCIAL GROUP IN	1,700	$84K	0.15%	Put
4659	SAVACASSAVA SCIENCES INC	12,300	$84K	0.15%	Put
4660	PRFTUSDPERFICIENT INC	1,759	$84K	0.15%
4661	PTCPTC INC	700	$84K	0.15%	Put
4662	—IDERA PHARMACEUTICALS INC	23,000	$84K	0.15%	Put
4663	—CATABASIS PHARMACEUTICALS IN	39,300	$84K	0.15%	Call
4664	WISHCONTEXTLOGIC INC	4,600	$84K	0.15%
4665	INSMINSMED INC	2,500	$83K	0.14%	Put
4666	AVNTNAVIENT CORPORATION	8,500	$83K	0.14%	Call
4667	CUKCARNIVAL PLC	4,420	$83K	0.14%
4668	—TEEKAY CORPORATION	38,500	$83K	0.14%	Put
4669	HCATHEALTH CATALYST INC	1,900	$83K	0.14%	Call
4670	—UXIN LTD	94,600	$83K	0.14%	Put
4671	TUTELUS CORPORATION	4,200	$83K	0.14%	Call
4672	MBIOUSDMUSTANG BIO INC	21,609	$82K	0.14%
4673	ARIAPOLLO COML REAL EST FIN INC	7,329	$82K	0.14%
4674	—YRC WORLDWIDE INC	18,600	$82K	0.14%	Put
4675	—HEPION PHARMACEUTICALS INC	37,400	$82K	0.14%	Call
4676	—SIENTRA INC	21,100	$82K	0.14%	Call
4677	—GENETIC TECHNOLOGIES LTD	22,800	$82K	0.14%	Put
4678	FATEFATE THERAPEUTICS INC	900	$82K	0.14%	Put
4679	2XYSCIPLAY CORPORATION	5,893	$82K	0.14%
4680	NFENEW FORTRESS ENERGY INC	1,517	$81K	0.14%
4681	LPLLG DISPLAY CO LTD	9,600	$81K	0.14%	Call
4682	SMTCSEMTECH CORP	1,123	$81K	0.14%
4683	—ACORDA THERAPEUTICS INC	118,067	$81K	0.14%
4684	—EMAGIN CORP	49,000	$81K	0.14%	Call
4685	VGREURVECTOR GROUP LTD	6,935	$81K	0.14%
4686	CMPSCOMPASS PATHWAYS PLC	1,700	$81K	0.14%	Put
4687	VICIVICI PPTYS INC	3,192	$81K	0.14%
4688	—FIVE PRIME THERAPEUTICS INC	4,786	$81K	0.14%
4689	CUBECUBESMART	2,400	$81K	0.14%
4690	—DATTO HLDG CORP	2,946	$80K	0.14%
4691	KRMDREPRO MED SYS INC	13,214	$80K	0.14%
4692	TPCTUTOR PERINI CORP	6,151	$80K	0.14%
4693	SINASINA CORP	1,899	$80K	0.14%
4694	XIFRNEXTERA ENERGY PARTNERS LP	1,200	$80K	0.14%	Put
4695	—SINCLAIR BROADCAST GROUP INC	2,500	$80K	0.14%	Put
4696	CIENCIENA CORP	1,518	$80K	0.14%
4697	FRTEURFEDERAL RLTY INVT TR	936	$80K	0.14%
4698	SPBSPECTRUM BRANDS HLDGS INC NE	1,000	$79K	0.14%	Put
4699	HROWHARROW HEALTH INC	11,569	$79K	0.14%
4700	—NV5 GLOBAL INC	1,000	$79K	0.14%	Put

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