GROUP ONE TRADING LLC Q1 2021 Filing

Filed May 12, 2021

Portfolio Value

$67.5M

Holdings

7,548

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (7,548 positions)

#	Stock	Shares	Value	% Portfolio	Type
3701	NDAQNASDAQ INC	4,200	$619K	0.92%	Call
3702	—JUNIPER NETWORKS INC	24,400	$618K	0.92%	Put
3703	—ALLSCRIPTS HEALTHCARE SOLUTN	41,000	$616K	0.91%	Put
3704	EHEHANG HLDGS LTD	16,600	$615K	0.91%	Put
3705	JACKJACK IN THE BOX INC	5,600	$615K	0.91%	Call
3706	—CASPER SLEEP INC	84,900	$615K	0.91%	Call
3707	YPFYPF SOCIEDAD ANONIMA	149,400	$614K	0.91%	Call
3708	—WINNEBAGO INDS INC	8,000	$614K	0.91%	Put
3709	SAPSAP SE	5,000	$614K	0.91%	Put
3710	—RENEWABLE ENERGY GROUP INC	9,300	$614K	0.91%	Call
3711	UAVSAGEAGLE AERIAL SYS INC NEW	97,948	$613K	0.91%
3712	—PDC ENERGY INC	17,800	$612K	0.91%	Put
3713	—SHAW COMMUNICATIONS INC	23,300	$611K	0.90%	Call
3714	RPREALPAGE INC	7,000	$610K	0.90%
3715	—ROMEO POWER INC	73,193	$610K	0.90%
3716	PLDPROLOGIS INC.	5,749	$609K	0.90%
3717	GIIIG III APPAREL GROUP LTD	20,200	$609K	0.90%	Call
3718	—WIDEOPENWEST INC	44,800	$609K	0.90%	Put
3719	—GENPREX INC	141,000	$608K	0.90%	Call
3720	CVLTCOMMVAULT SYSTEMS INC	9,400	$606K	0.90%	Call
3721	—PETROCHINA CO LTD	16,700	$604K	0.89%	Put
3722	—CUBIC CORP	8,103	$604K	0.89%
3723	NBIXNEUROCRINE BIOSCIENCES INC	6,200	$603K	0.89%	Put
3724	LAURLAUREATE EDUCATION INC	44,400	$603K	0.89%	Call
3725	TVGRUPO TELEVISA SA	67,900	$602K	0.89%	Call
3726	—QUALTRICS INTL INC	18,300	$602K	0.89%	Call
3727	UANCVR PARTNERS LP	14,902	$601K	0.89%
3728	PGNYPROGYNY INC	13,498	$601K	0.89%
3729	—FREQUENCY THERAPEUTICS INC	63,200	$600K	0.89%	Put
3730	OZONOZON HLDGS PLC	10,686	$599K	0.89%
3731	UFPIUFP INDUSTRIES INC	7,900	$599K	0.89%	Call
3732	NOVNOV INC	43,500	$597K	0.88%	Call
3733	PLMRPALOMAR HLDGS INC	8,900	$597K	0.88%	Call
3734	SOSOUTHERN CO	9,600	$597K	0.88%	Put
3735	—ENTERGY CORP NEW	6,000	$597K	0.88%	Call
3736	ZYXIQZYNEX INC	39,099	$597K	0.88%
3737	PARRPAR PAC HOLDINGS INC	42,257	$597K	0.88%
3738	—BLUE APRON HLDGS INC	94,226	$595K	0.88%
3739	WLKWESTLAKE CHEM CORP	6,700	$595K	0.88%	Put
3740	HDSNHUDSON TECHNOLOGIES INC	369,000	$594K	0.88%	Call
3741	—CHEETAH MOBILE INC	264,100	$594K	0.88%	Put
3742	REALTHE REALREAL INC	26,200	$593K	0.88%	Put
3743	SMBKSMARTFINANCIAL INC	27,400	$593K	0.88%	Put
3744	—CORENERGY INFRASTRUCTURE TR	83,900	$593K	0.88%	Call
3745	GLREGREENLIGHT CAPITAL RE LTD	68,200	$593K	0.88%	Call
3746	BJRIBJS RESTAURANTS INC	10,197	$592K	0.88%
3747	KOPKOPPERS HOLDINGS INC	1,700	$591K	0.88%	Call
3748	FXYINVESCO CURRENCYSHARES JAPAN	6,900	$588K	0.87%	Call
3749	NEONEOGENOMICS INC	12,200	$588K	0.87%	Put
3750	—ASHLAND GLOBAL HLDGS INC	6,600	$586K	0.87%	Call
3751	FXFINVESCO CURRENCYSHARES SWISS	6,100	$586K	0.87%	Call
3752	—SILVERCREST METALS INC	72,500	$586K	0.87%	Call
3753	—SIGNIFY HEALTH INC	20,000	$585K	0.87%	Call
3754	DSXDIANA SHIPPING INC	195,400	$584K	0.86%	Put
3755	—SYNEOS HEALTH INC	7,700	$584K	0.86%	Put
3756	—EROS STX GLOBAL CORPORATION	322,856	$584K	0.86%
3757	MTLSMATERIALISE NV	16,200	$582K	0.86%	Put
3758	PFGPRINCIPAL FINANCIAL GROUP IN	9,700	$582K	0.86%	Call
3759	—DONALDSON INC	1,000	$582K	0.86%	Put
3760	PAHUSDELEMENT SOLUTIONS INC	31,814	$582K	0.86%
3761	—BURGUNDY TECHNOLOGY ACQU COR	58,800	$582K	0.86%	Call
3762	NGDNEW GOLD INC CDA	378,155	$582K	0.86%
3763	EQNREQUINOR ASA	29,900	$582K	0.86%	Call
3764	CLDXCELLDEX THERAPEUTICS INC NEW	28,200	$581K	0.86%	Call
3765	CDLXCARDLYTICS INC	5,300	$581K	0.86%	Call
3766	—ICAHN ENTERPRISES LP	10,800	$580K	0.86%	Put
3767	VEONVEON LTD	327,600	$580K	0.86%	Call
3768	MR4MERIDIAN BIOSCIENCE INC	22,017	$578K	0.86%
3769	—ARCONIC CORPORATION	22,700	$576K	0.85%	Put
3770	STLASTELLANTIS N.V	32,383	$576K	0.85%
3771	NWPXNORTHWEST PIPE CO	17,200	$575K	0.85%	Call
3772	ARLPALLIANCE RESOURCE PARTNERS L	99,208	$575K	0.85%
3773	—RAVEN INDS INC	15,000	$575K	0.85%	Call
3774	—OASIS MIDSTREAM PARTNERS LP	25,700	$575K	0.85%	Put
3775	—APARTMENT INVT & MGMT CO	93,700	$575K	0.85%	Call
3776	AYATLANTICA SUSTAINABLE INFR P	15,679	$574K	0.85%
3777	—G1 THERAPEUTICS INC	23,800	$573K	0.85%	Put
3778	CRMDCORMEDIX INC	57,300	$572K	0.85%	Call
3779	CLHCLEAN HARBORS INC	6,800	$572K	0.85%	Put
3780	—ARMOUR RESIDENTIAL REIT INC	46,800	$571K	0.85%	Call
3781	GRUBGRUBHUB INC	9,509	$571K	0.85%
3782	CUBECUBESMART	15,100	$571K	0.85%	Call
3783	ANFABERCROMBIE & FITCH CO	16,606	$570K	0.84%
3784	—AXONICS MODULATION TECHNOLOG	9,500	$569K	0.84%	Put
3785	—SHIFT TECHNOLOGIES INC	68,300	$568K	0.84%	Put
3786	—PENN VA CORP	42,400	$568K	0.84%	Call
3787	ZIONZIONS BANCORPORATION N A	10,340	$568K	0.84%
3788	AEMAGNICO EAGLE MINES LTD	9,804	$567K	0.84%
3789	—MSG NETWORK INC	37,700	$567K	0.84%	Call
3790	—CATABASIS PHARMACEUTICALS IN	195,700	$566K	0.84%	Put
3791	—DEL TACO RESTAURANTS INC NEW	59,100	$566K	0.84%	Put
3792	VERIVERITONE INC	23,600	$566K	0.84%	Call
3793	EOLSEVOLUS INC	43,600	$566K	0.84%	Put
3794	BTBTBIT DIGITAL INC	37,678	$566K	0.84%
3795	HMYHARMONY GOLD MINING CO LTD	129,500	$565K	0.84%	Put
3796	EFTTECHTARGET INC	8,105	$563K	0.83%
3797	NGGNATIONAL GRID PLC	9,500	$563K	0.83%	Call
3798	MYOVMYOVANT SCIENCES LTD	27,376	$563K	0.83%
3799	—500 COM LTD	26,300	$562K	0.83%	Call
3800	OSCROSCAR HEALTH INC	20,900	$562K	0.83%	Call

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