GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2M

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#	Stock	Shares	Value	% Portfolio	Type
3601	LGFEURLIONS GATE ENTMNT CORP	1,770	$60K	0.42%
3602	—CAREER EDUCATION CORP	5,000	$60K	0.42%	Call
3603	—AAC HLDGS INC	6,517	$59K	0.41%
3604	IMGNEURIMMUNOGEN INC	9,230	$59K	0.41%
3605	—INFINITY PHARMACEUTICALS INC	29,000	$59K	0.41%	Put
3606	QLYSQUALYS INC	1,000	$59K	0.41%	Call
3607	—SORL AUTO PTS INC	8,800	$59K	0.41%	Call
3608	KROKRONOS WORLDWIDE INC	2,300	$59K	0.41%	Call
3609	—CABOT MICROELECTRONICS CORP	630	$59K	0.41%
3610	BCRXBIOCRYST PHARMACEUTICALS	12,100	$59K	0.41%	Call
3611	ENZBENZO BIOCHEM INC	7,198	$59K	0.41%
3612	HGVHILTON GRAND VACATIONS INC	1,405	$59K	0.41%
3613	BTOB2GOLD CORP	19,060	$59K	0.41%
3614	—CENTURY ALUM CO	3,000	$59K	0.41%	Put
3615	IVZINVESCO LTD	1,600	$58K	0.41%	Put
3616	—ENDOCYTE INC	13,578	$58K	0.41%
3617	UECURANIUM ENERGY CORP	32,900	$58K	0.41%	Put
3618	CMRECOSTAMARE INC	10,100	$58K	0.41%	Put
3619	—VEDANTA LTD	2,800	$58K	0.41%	Put
3620	ARDXARDELYX INC	8,800	$58K	0.41%	Put
3621	MSMORGAN STANLEY CHINA A SH FD	2,500	$58K	0.41%	Put
3622	EPMEVOLUTION PETROLEUM CORP	8,500	$58K	0.41%
3623	VYXNCR CORP NEW	1,700	$58K	0.41%	Put
3624	CALMCAL MAINE FOODS INC	1,300	$58K	0.41%	Put
3625	EIXEDISON INTL	900	$57K	0.40%	Put
3626	ABEVAMBEV SA	8,900	$57K	0.40%	Call
3627	—ACHAOGEN INC	5,300	$57K	0.40%	Call
3628	—MIMECAST LTD	2,000	$57K	0.40%	Put
3629	MIMEMIMECAST LTD	2,000	$57K	0.40%
3630	TOURTUNIU CORP	7,489	$57K	0.40%
3631	—CHICOS FAS INC	6,500	$57K	0.40%	Call
3632	—MIMECAST LTD	2,000	$57K	0.40%	Call
3633	—SYROS PHARMACEUTICALS INC	5,800	$56K	0.39%	Put
3634	CPRTCOPART INC	1,300	$56K	0.39%	Call
3635	—SIENTRA INC	4,000	$56K	0.39%	Call
3636	SSYSSTRATASYS LTD	2,800	$56K	0.39%	Put
3637	RHIRHYTHM TECHNOLOGIES INC	1,000	$56K	0.39%	Put
3638	OCULOCULAR THERAPEUTIX INC	12,600	$56K	0.39%	Put
3639	PAYCPAYCOM SOFTWARE INC	700	$56K	0.39%	Put
3640	—EASTMAN CHEM CO	600	$56K	0.39%	Call
3641	TNETTRINET GROUP INC	1,273	$56K	0.39%
3642	—REXAHN PHARMACEUTICALS INC	27,500	$56K	0.39%	Call
3643	LAMRLAMAR ADVERTISING CO NEW	7,500	$56K	0.39%	Put
3644	TOLTOLL BROTHERS INC	1,152	$55K	0.39%
3645	—NEVRO CORP	800	$55K	0.39%	Call
3646	3M4MASIMO CORP	646	$55K	0.39%
3647	—GRAN TIERRA ENERGY INC	20,400	$55K	0.39%	Call
3648	—ZAGG INC	3,000	$55K	0.39%	Put
3649	—TRAVELCENTERS AMER LLC	13,300	$55K	0.39%	Call
3650	LOCOEL POLLO LOCO HLDGS INC	5,547	$55K	0.39%
3651	WCCWESCO INTL INC	813	$55K	0.39%
3652	AMKRAMKOR TECHNOLOGY INC	5,500	$55K	0.39%	Call
3653	NFGNATIONAL FUEL GAS CO N J	1,000	$55K	0.39%	Put
3654	—EXONE CO	6,500	$55K	0.39%	Call
3655	DNOWNOW INC	5,000	$55K	0.39%	Put
3656	—SONIC CORP	2,000	$55K	0.39%	Call
3657	TELTE CONNECTIVITY LTD	565	$54K	0.38%
3658	OMEXODYSSEY MARINE EXPLORATION I	14,400	$54K	0.38%	Call
3659	JNJJOHNSON & JOHNSON	390	$54K	0.38%
3660	—GRAN TIERRA ENERGY INC	20,000	$54K	0.38%	Put
3661	NATINATIONAL INSTRS CORP	1,293	$54K	0.38%
3662	DECKDECKERS OUTDOOR CORP	672	$54K	0.38%
3663	—XPERI CORP	2,200	$54K	0.38%	Call
3664	—EVERI HLDGS INC	7,200	$54K	0.38%	Put
3665	AVTABLUCORA INC	2,426	$54K	0.38%
3666	—CALITHERA BIOSCIENCES INC	6,492	$54K	0.38%
3667	YRDYIRENDAI LTD	1,200	$53K	0.37%	Call
3668	VNDAVANDA PHARMACEUTICALS INC	3,500	$53K	0.37%	Call
3669	—FEDERATED NATL HLDG CO	3,226	$53K	0.37%
3670	TCBITEXAS CAPITAL BANCSHARES INC	600	$53K	0.37%	Put
3671	SBSCOMPANHIA DE SANEAMENTO BASI	5,100	$53K	0.37%	Call
3672	—YRC WORLDWIDE INC	3,700	$53K	0.37%	Call
3673	LPXLOUISIANA PAC CORP	2,000	$53K	0.37%	Call
3674	—ELECTRONICS FOR IMAGING INC	1,800	$53K	0.37%	Call
3675	—IMPAX LABORATORIES INC	3,200	$53K	0.37%	Call
3676	—IGNYTA INC	2,000	$53K	0.37%	Put
3677	—IGNYTA INC	2,000	$53K	0.37%
3678	—SCHULMAN A INC	1,400	$52K	0.37%
3679	VECOVEECO INSTRS INC DEL	3,533	$52K	0.37%
3680	—GRAN TIERRA ENERGY INC	19,436	$52K	0.37%
3681	—IMPAX LABORATORIES INC	3,100	$52K	0.37%	Put
3682	—ACHILLION PHARMACEUTICALS IN	18,061	$52K	0.37%
3683	ARCOARCOS DORADOS HOLDINGS INC	5,000	$52K	0.37%	Call
3684	—MAIN STREET CAPITAL CORP	1,300	$52K	0.37%	Call
3685	AXTIAXT INC	6,000	$52K	0.37%	Call
3686	CHKPCHECK POINT SOFTWARE TECH LT	500	$52K	0.37%	Call
3687	NSCNORFOLK SOUTHERN CORP	362	$52K	0.37%
3688	USFDUS FOODS HLDG CORP	1,600	$51K	0.36%	Put
3689	—ICONIX BRAND GROUP INC	39,200	$51K	0.36%	Call
3690	—DOCUMENT SEC SYS INC	28,575	$51K	0.36%
3691	—DEL TACO RESTAURANTS INC	4,238	$51K	0.36%
3692	—LOXO ONCOLOGY INC	600	$51K	0.36%	Call
3693	—ORBCOMM INC	5,000	$51K	0.36%	Put
3694	SBSAFE BULKERS INC	15,800	$51K	0.36%	Call
3695	FLSFLOWSERVE CORP	1,200	$51K	0.36%	Call
3696	—COSAN LTD	5,300	$51K	0.36%	Call
3697	BOBEUSDBOB EVANS FARMS INC	652	$51K	0.36%
3698	KSUEURKANSAS CITY SOUTHERN	487	$51K	0.36%
3699	AGIALAMOS GOLD INC NEW	7,700	$50K	0.35%	Put
3700	CLFDCLEARFIELD INC	4,090	$50K	0.35%

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