GROUP ONE TRADING LLC Q3 2020 Filing

Filed November 12, 2020

Portfolio Value

$31.8M

Holdings

6,077

Report Date

Q3 2020

Filing Type

13F-HR

All Holdings (6,077 positions)

#	Stock	Shares	Value	% Portfolio	Type
5301	—FIVE PRIME THERAPEUTICS INC	3,000	$14K	0.04%
5302	2JEFOCUS FINL PARTNERS INC	420	$14K	0.04%
5303	—HUDSON LTD	1,900	$14K	0.04%	Call
5304	OMEXODYSSEY MARINE EXPLORATION I	2,000	$14K	0.04%	Put
5305	—HILLENBRAND INC	500	$14K	0.04%	Put
5306	—TIVITY HEALTH INC	997	$14K	0.04%
5307	ITWOPROSHARES TR II	400	$14K	0.04%	Call
5308	CNTYCENTURY CASINOS INC	2,600	$14K	0.04%	Call
5309	TLYSTILLYS INC	2,367	$14K	0.04%
5310	—FIVE PRIME THERAPEUTICS INC	3,000	$14K	0.04%	Call
5311	DSXDIANA SHIPPING INC	10,174	$14K	0.04%
5312	—MUELLER WTR PRODS INC	1,300	$14K	0.04%	Call
5313	FPIFARMLAND PARTNERS INC	2,161	$14K	0.04%
5314	ISRGINTUITIVE SURGICAL INC	19,337	$14K	0.04%
5315	AEISADVANCED ENERGY INDS	200	$13K	0.04%	Put
5316	VIRVIR BIOTECHNOLOGY INC	368	$13K	0.04%
5317	RVTYPERKINELMER INC	100	$13K	0.04%	Call
5318	ESEVERSOURCE ENERGY	152	$13K	0.04%
5319	MTWMANITOWOC CO INC	1,600	$13K	0.04%	Put
5320	RCELAVITA THERAPEUTICS INC	500	$13K	0.04%	Put
5321	RHRHYTHM PHARMACEUTICALS INC	600	$13K	0.04%	Put
5322	—ACORDA THERAPEUTICS INC	25,200	$13K	0.04%	Call
5323	XXII22ND CENTY GROUP INC	19,606	$13K	0.04%
5324	—CELESTICA INC	1,900	$13K	0.04%	Call
5325	—DSP GROUP INC	1,000	$13K	0.04%	Put
5326	LAMRLAMAR ADVERTISING CO NEW	200	$13K	0.04%	Call
5327	—BHP GROUP PLC	300	$13K	0.04%	Call
5328	SKYSKYLINE CHAMPION CORPORATION	500	$13K	0.04%	Call
5329	BXCBLUELINX HLDGS INC	600	$13K	0.04%	Call
5330	—FLYING EAGLE ACQUISITION COR	1,100	$13K	0.04%	Put
5331	ACLSAXCELIS TECHNOLOGIES INC	600	$13K	0.04%	Call
5332	LEAFLEAF GROUP LTD	2,684	$13K	0.04%
5333	STOKSTOKE THERAPEUTICS INC	400	$13K	0.04%	Call
5334	—TUFIN SOFTWARE TECHNOLOGIS L	1,627	$13K	0.04%
5335	—PHYSICIANS RLTY TR	700	$13K	0.04%	Put
5336	PRLBPROTO LABS INC	100	$13K	0.04%	Put
5337	MMLPMARTIN MIDSTREAM PRTNRS L P	11,354	$13K	0.04%
5338	OOMAOOMA INC	1,000	$13K	0.04%
5339	SUPNSUPERNUS PHARMACEUTICALS INC	600	$13K	0.04%	Call
5340	HASIHANNON ARMSTRONG SUST INFR C	300	$13K	0.04%	Call
5341	OOMAOOMA INC	1,000	$13K	0.04%	Call
5342	PSMTPRICESMART INC	200	$13K	0.04%	Call
5343	—SMUCKER J M CO	100	$12K	0.04%	Call
5344	—TEEKAY LNG PARTNERS L P	1,100	$12K	0.04%	Call
5345	—FLAGSTAR BANCORP INC	400	$12K	0.04%	Call
5346	—CARDTRONICS PLC	600	$12K	0.04%	Put
5347	—OFFICE PPTYS INCOME TR	600	$12K	0.04%	Put
5348	KMTKENNAMETAL INC	400	$12K	0.04%	Call
5349	URBNURBAN OUTFITTERS INC	600	$12K	0.04%	Call
5350	SLFSUN LIFE FINANCIAL INC.	300	$12K	0.04%	Call
5351	CTSOCYTOSORBENTS CORP	1,500	$12K	0.04%	Call
5352	—NATIONAL OILWELL VARCO INC	1,300	$12K	0.04%	Call
5353	—MID-AMER APT CMNTYS INC	100	$12K	0.04%	Call
5354	—PICO HLDGS INC	1,300	$12K	0.04%	Call
5355	—PHOENIX NEW MEDIA LTD	9,686	$12K	0.04%
5356	—TALEND S A	317	$12K	0.04%
5357	SITESITEONE LANDSCAPE SUPPLY INC	100	$12K	0.04%	Call
5358	—CARDTRONICS PLC	600	$12K	0.04%	Call
5359	IMMRIMMERSION CORP	1,700	$12K	0.04%	Put
5360	—ITERIS INC NEW	3,000	$12K	0.04%	Put
5361	DMRCDIGIMARC CORP NEW	519	$12K	0.04%
5362	—COMSCORE INC	6,000	$12K	0.04%	Put
5363	FRFIRST INDL RLTY TR INC	300	$12K	0.04%	Call
5364	OXMOXFORD INDS INC	300	$12K	0.04%
5365	—APPLIED GENETIC TECHNOLOGIES	2,500	$12K	0.04%	Put
5366	ITTITT INC	200	$12K	0.04%	Call
5367	NEMNEWMONT CORP	190	$12K	0.04%
5368	INVAINNOVIVA INC	1,100	$12K	0.04%	Call
5369	—AERIE PHARMACEUTICALS INC	1,000	$12K	0.04%	Put
5370	NOMDNOMAD FOODS LTD	488	$12K	0.04%
5371	—ION GEOPHYSICAL CORP	7,700	$12K	0.04%	Put
5372	BSMBLACK STONE MINERALS L P	2,000	$12K	0.04%	Put
5373	—NEUROTROPE INC	10,600	$12K	0.04%	Call
5374	WTIW & T OFFSHORE INC	6,765	$12K	0.04%
5375	—FLEXION THERAPEUTICS INC	1,200	$12K	0.04%	Put
5376	—SANDERSON FARMS INC	100	$12K	0.04%	Call
5377	PRAAPRA GROUP INC	300	$12K	0.04%	Put
5378	FXBINVESCO CURRENCYSHARES BRIT	100	$12K	0.04%	Call
5379	—CALADRIUS BIOSCIENCES INC	6,000	$11K	0.03%	Put
5380	RYTMRHYTHM PHARMACEUTICALS INC	527	$11K	0.03%
5381	TRMKTRUSTMARK CORP	500	$11K	0.03%	Call
5382	—RECRO PHARMA INC	5,000	$11K	0.03%	Put
5383	—BROOKDALE SR LIVING INC	4,200	$11K	0.03%	Call
5384	NWSANEWS CORP NEW	800	$11K	0.03%
5385	ASAASA GOLD AND PRECIOUS MTLS L	500	$11K	0.03%
5386	—SECUREWORKS CORP	1,000	$11K	0.03%	Call
5387	CCECCAPITAL PRODUCT PARTNERS L P	1,641	$11K	0.03%
5388	—WESTPORT FUEL SYSTEMS INC	7,000	$11K	0.03%	Put
5389	—QEP RESOURCES INC	12,600	$11K	0.03%	Call
5390	—QEP RESOURCES INC	12,200	$11K	0.03%	Put
5391	PVLPERMIANVILLE RTY TR	16,381	$11K	0.03%
5392	—TANZANIAN GOLD CORP	15,200	$11K	0.03%
5393	IOUSDION GEOPHYSICAL CORP	7,170	$11K	0.03%
5394	WHGWESTWOOD HLDGS GROUP INC	1,000	$11K	0.03%
5395	CNRCANADIAN NATL RY CO	100	$11K	0.03%
5396	—BOSTON PRIVATE FINL HLDGS IN	2,000	$11K	0.03%	Put
5397	—MOLECULAR TEMPLATES INC	1,000	$11K	0.03%	Put
5398	SKYWSKYWEST INC	366	$11K	0.03%
5399	CRNTCERAGON NETWORKS LTD	4,400	$11K	0.03%	Put
5400	CLIRCLEARSIGN TECHNOLOGIES CORP	5,000	$11K	0.03%	Put

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