GROUP ONE TRADING LLC Q3 2021 Filing

Filed November 12, 2021

Portfolio Value

$92.6M

Holdings

8,294

Report Date

Q3 2021

Filing Type

13F-HR

All Holdings (8,294 positions)

#	Stock	Shares	Value	% Portfolio	Type
4101	YALAYALLA GROUP LTD	67,900	$515K	0.56%	Put
4102	MCFTMASTERCRAFT BOAT HLDGS INC	20,500	$514K	0.56%	Call
4103	AKTSQAKOUSTIS TECHNOLOGIES INC	52,920	$513K	0.55%
4104	NCMIEURNATIONAL CINEMEDIA INC	144,002	$513K	0.55%
4105	EHEHANG HLDGS LTD	21,400	$512K	0.55%	Put
4106	IRWDIRONWOOD PHARMACEUTICALS INC	39,200	$512K	0.55%	Call
4107	WECWEC ENERGY GROUP INC	5,800	$512K	0.55%	Call
4108	CBTCABOT CORP	10,200	$511K	0.55%	Call
4109	—REE AUTOMOTIVE LTD	112,400	$510K	0.55%	Put
4110	—AVALONBAY CMNTYS INC	2,300	$510K	0.55%	Put
4111	—PREFERRED APT CMNTYS INC	41,620	$509K	0.55%
4112	—JANUS INTERNATIONAL GROUP IN	41,600	$509K	0.55%	Call
4113	CMRECOSTAMARE INC	32,758	$507K	0.55%
4114	WCCWESCO INTL INC	4,384	$506K	0.55%
4115	—ATHERSYS INC NEW	380,500	$506K	0.55%	Call
4116	INVHINVITATION HOMES INC	13,188	$506K	0.55%
4117	YELPYELP INC	13,600	$506K	0.55%	Put
4118	—SECUREWORKS CORP	25,400	$505K	0.55%	Call
4119	—ARMOUR RESIDENTIAL REIT INC	46,800	$505K	0.55%	Call
4120	—THE9 LTD	48,841	$504K	0.54%
4121	TTELUS CORPORATION	22,952	$504K	0.54%
4122	OUTOUTFRONT MEDIA INC	20,000	$504K	0.54%	Call
4123	NIUNIU TECHNOLOGIES	21,700	$503K	0.54%	Call
4124	PHPARKER-HANNIFIN CORP	1,800	$503K	0.54%	Call
4125	—CHEETAH MOBILE INC	308,600	$503K	0.54%	Put
4126	WHWYNDHAM HOTELS & RESORTS INC	6,500	$502K	0.54%	Call
4127	—FAST ACQUISITION CORP	39,400	$501K	0.54%	Call
4128	—BRIXMOR PPTY GROUP INC	22,600	$500K	0.54%	Put
4129	PWPPERELLA WEINBERG PARTNERS	37,700	$500K	0.54%	Put
4130	KPTIKARYOPHARM THERAPEUTICS INC	85,900	$500K	0.54%	Call
4131	—VELO3D INC	59,600	$499K	0.54%	Call
4132	SHENSHENANDOAH TELECOMMUNICATION	15,800	$499K	0.54%	Put
4133	GPROGOPRO INC	53,348	$499K	0.54%
4134	GDDYGODADDY INC	7,166	$499K	0.54%
4135	NBIXNEUROCRINE BIOSCIENCES INC	5,200	$499K	0.54%	Put
4136	—RUTHS HOSPITALITY GROUP INC	24,100	$499K	0.54%	Call
4137	—E2OPEN PARENT HOLDINGS INC	44,100	$498K	0.54%	Put
4138	RPDRAPID7 INC	4,400	$497K	0.54%	Call
4139	ITWILLINOIS TOOL WKS INC	2,400	$496K	0.54%	Put
4140	—AFFIMED N V	79,900	$494K	0.53%	Call
4141	—SHOCKWAVE MED INC	2,400	$494K	0.53%	Call
4142	DKDELEK US HLDGS INC NEW	27,468	$494K	0.53%
4143	—SANTANDER CONSUMER USA HLDGS	11,800	$492K	0.53%	Call
4144	—BERKELEY LTS INC	25,100	$491K	0.53%	Put
4145	KTOSKRATOS DEFENSE & SEC SOLUTIO	22,000	$491K	0.53%
4146	ACVAACV AUCTIONS INC	27,426	$491K	0.53%
4147	GOGROCERY OUTLET HLDG CORP	22,726	$490K	0.53%
4148	—ALBIREO PHARMA INC	15,700	$490K	0.53%	Call
4149	ATOMATOMERA INC	21,200	$490K	0.53%	Put
4150	ALGTALLEGIANT TRAVEL CO	2,500	$489K	0.53%	Call
4151	—EVELO BIOSCIENCES INC	69,400	$489K	0.53%	Call
4152	—REVLON INC	48,400	$489K	0.53%	Call
4153	MITKMITEK SYS INC	26,400	$488K	0.53%	Put
4154	—INFINERA CORP	58,600	$488K	0.53%	Call
4155	HRTGHERITAGE INSURANCE HLDGS INC	71,500	$487K	0.53%	Put
4156	ALTALTIMMUNE INC	43,100	$487K	0.53%	Put
4157	JACKJACK IN THE BOX INC	5,000	$487K	0.53%	Put
4158	CNPCENTERPOINT ENERGY INC	19,800	$487K	0.53%	Put
4159	BNGOUSDBIONANO GENOMICS INC	88,274	$486K	0.52%
4160	XOSXOS INC	104,886	$486K	0.52%
4161	—CENTURY CMNTYS INC	7,900	$485K	0.52%	Put
4162	UPGBPWHEELS UP EXPERIENCE INC	73,625	$485K	0.52%
4163	GWWGRAINGER W W INC	1,232	$484K	0.52%
4164	RMBSRAMBUS INC DEL	21,800	$484K	0.52%	Put
4165	ZDGEZEDGE INC	36,200	$484K	0.52%	Call
4166	VRSNVERISIGN INC	2,359	$484K	0.52%
4167	—HYRECAR INC	56,900	$484K	0.52%	Put
4168	TMDXTRANSMEDICS GROUP INC	14,600	$483K	0.52%	Call
4169	—TRITERRAS INC	82,600	$483K	0.52%	Put
4170	—DOMA HOLDINGS INC	65,200	$482K	0.52%	Call
4171	ACIWACI WORLDWIDE INC	15,700	$482K	0.52%	Put
4172	CRDFCARDIFF ONCOLOGY INC	72,319	$482K	0.52%
4173	ACTGACACIA RESH CORP	70,978	$482K	0.52%
4174	TBPHTHERAVANCE BIOPHARMA INC	65,058	$481K	0.52%
4175	CCSCENTURY CMNTYS INC	7,813	$480K	0.52%
4176	—TE CONNECTIVITY LTD	3,500	$480K	0.52%	Call
4177	ELFE L F BEAUTY INC	16,477	$479K	0.52%
4178	NAGECHROMADEX CORP	76,200	$478K	0.52%	Put
4179	—LUMBER LIQUIDATORS HLDGS INC	25,600	$478K	0.52%	Put
4180	ENVAENOVA INTL INC	13,800	$477K	0.52%	Call
4181	PAYSPAYSIGN INC	176,763	$477K	0.52%
4182	—MERRIMACK PHARMACEUTICALS IN	98,500	$476K	0.51%	Put
4183	HB6HIBBETT INC	6,722	$476K	0.51%
4184	—ELOXX PHARMACEUTICALS INC	291,400	$475K	0.51%	Call
4185	—MANCHESTER UTD PLC NEW	24,500	$475K	0.51%	Call
4186	—APPHARVEST INC	72,900	$475K	0.51%	Put
4187	—TREEHOUSE FOODS INC	11,900	$475K	0.51%	Call
4188	—EPR PPTYS	9,600	$474K	0.51%	Put
4189	ANYSPHERE 3D CORP NEW	79,833	$474K	0.51%
4190	NAGECHROMADEX CORP	75,567	$474K	0.51%
4191	FEFIRSTENERGY CORP	13,280	$473K	0.51%
4192	SWKSTANLEY BLACK & DECKER INC	2,700	$473K	0.51%	Put
4193	—MEREDITH CORP	8,500	$473K	0.51%	Call
4194	COHUCOHU INC	14,800	$473K	0.51%	Put
4195	APLEAPPLE HOSPITALITY REIT INC	29,976	$472K	0.51%
4196	GWWGRAINGER W W INC	1,200	$472K	0.51%	Put
4197	HBMHUDBAY MINERALS INC	75,700	$472K	0.51%	Call
4198	BRSPBRIGHTSPIRE CAPITAL INC	50,200	$471K	0.51%	Call
4199	—PLX PHARMA INC	24,400	$471K	0.51%	Put
4200	CVICVR ENERGY INC	28,300	$471K	0.51%	Put

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