GROUP ONE TRADING LLC Q4 2016 Filing

Filed February 15, 2017

Portfolio Value

$10.3M

Holdings

4,408

Report Date

Q4 2016

Filing Type

13F-HR

All Holdings (4,408 positions)

#	Stock	Shares	Value	% Portfolio	Type
601	NAVNAVISTAR INTL CORP NEW	12,924	$405K	3.93%
602	WDCWESTERN DIGITAL CORP	5,966	$405K	3.93%
603	ALGNALIGN TECHNOLOGY INC	4,200	$404K	3.92%	Put
604	SYYSYSCO CORP	7,300	$404K	3.92%	Put
605	—VONAGE HLDGS CORP	58,943	$404K	3.92%
606	SCHLSCHOLASTIC CORP	8,500	$404K	3.92%	Call
607	WSMWILLIAMS SONOMA INC	8,300	$402K	3.90%	Call
608	TKCTURKCELL ILETISIM HIZMETLERI	58,200	$402K	3.90%	Put
609	RGENREPLIGEN CORP	13,000	$401K	3.89%	Call
610	OVEROVERSTOCK COM INC DEL	22,879	$400K	3.88%
611	—COMSTOCK RES INC	40,500	$399K	3.87%	Call
612	—CONCHO RES INC	3,000	$398K	3.86%	Put
613	CYHCOMMUNITY HEALTH SYS INC NEW	71,200	$398K	3.86%	Call
614	UPBDRENT A CTR INC NEW	35,281	$397K	3.85%
615	—IHS MARKIT LTD	11,200	$397K	3.85%	Call
616	—CORMEDIX INC	259,800	$397K	3.85%	Put
617	CLNECLEAN ENERGY FUELS CORP	138,500	$396K	3.84%	Call
618	HSTHOST HOTELS & RESORTS INC	20,900	$394K	3.82%	Put
619	ZTSZOETIS INC	7,341	$393K	3.81%
620	—FLOTEK INDS INC DEL	41,900	$393K	3.81%	Put
621	VOYAVOYA FINL INC	10,000	$392K	3.80%	Call
622	AU3EURANGLOGOLD ASHANTI LTD	37,340	$392K	3.80%
623	AVAVAEROVIRONMENT INC	14,600	$392K	3.80%	Put
624	EDAEDAP TMS S A	118,804	$391K	3.79%
625	BOXBOX INC	28,200	$391K	3.79%	Put
626	INSMINSMED INC	29,500	$390K	3.78%	Call
627	—SIBANYE GOLD LTD	55,300	$390K	3.78%	Put
628	—BP PRUDHOE BAY RTY TR	16,400	$390K	3.78%	Put
629	—ENBRIDGE ENERGY PARTNERS L P	15,300	$390K	3.78%	Put
630	—500 COM LTD	25,300	$388K	3.76%	Put
631	INGING GROEP N V	27,519	$388K	3.76%
632	—QUANTA SVCS INC	11,100	$387K	3.75%	Call
633	—SUNOCO LOGISTICS PRTNRS L P	16,100	$387K	3.75%	Put
634	ONON SEMICONDUCTOR CORP	30,300	$387K	3.75%	Put
635	—ACHILLION PHARMACEUTICALS IN	93,600	$387K	3.75%	Call
636	PSTGPURE STORAGE INC	33,939	$384K	3.72%
637	RFREGIONS FINL CORP NEW	26,675	$383K	3.71%
638	HN9HANESBRANDS INC	17,695	$382K	3.71%
639	—NQ MOBILE INC	118,700	$382K	3.71%	Call
640	—HOVNANIAN ENTERPRISES INC	139,900	$382K	3.71%	Call
641	—APPLIED MATLS INC	11,800	$381K	3.70%	Call
642	—SUNPOWER CORP	57,500	$380K	3.69%	Call
643	—WADDELL & REED FINL INC	19,500	$380K	3.69%	Put
644	WTWISDOMTREE INVTS INC	34,104	$380K	3.69%
645	WTIW & T OFFSHORE INC	136,900	$379K	3.68%	Put
646	—COMMSCOPE HLDG CO INC	10,200	$379K	3.68%	Call
647	—THERAPEUTICSMD INC	65,664	$379K	3.68%
648	—LIBERTY INTERACTIVE CORP	18,900	$378K	3.67%	Put
649	AGENEURAGENUS INC	91,694	$378K	3.67%
650	—NATIONAL OILWELL VARCO INC	10,100	$378K	3.67%	Call
651	—CELLDEX THERAPEUTICS INC NEW	106,800	$378K	3.67%	Call
652	—ARRIS INTL INC	12,500	$377K	3.66%	Call
653	—AMTRUST FINL SVCS INC	13,765	$377K	3.66%
654	BOXBOX INC	27,200	$377K	3.66%	Call
655	EDRENDEAVOUR SILVER CORP	106,802	$376K	3.65%
656	PLUGPLUG POWER INC	313,700	$376K	3.65%	Put
657	—DYNEGY INC NEW DEL	44,400	$376K	3.65%	Put
658	—COBALT INTL ENERGY INC	307,600	$375K	3.64%	Put
659	—VIRNETX HLDG CORP	170,321	$375K	3.64%
660	—LAZARD LTD	9,100	$374K	3.63%	Call
661	TKCTURKCELL ILETISIM HIZMETLERI	54,100	$373K	3.62%
662	—CELLDEX THERAPEUTICS INC NEW	105,500	$373K	3.62%	Put
663	—SUNOCO LOGISTICS PRTNRS L P	15,500	$372K	3.61%	Call
664	—TIVO CORP	17,800	$372K	3.61%	Call
665	HRLHORMEL FOODS CORP	10,700	$372K	3.61%	Call
666	—ZOES KITCHEN INC	15,500	$372K	3.61%	Call
667	GLWCORNING INC	15,300	$371K	3.60%	Call
668	—BRIGHTCOVE INC	46,000	$370K	3.59%	Put
669	PTCPTC INC	8,000	$370K	3.59%	Put
670	—MEETME INC	75,100	$370K	3.59%	Call
671	—GETTY RLTY CORP NEW	14,500	$370K	3.59%	Call
672	ETNEATON CORP PLC	5,500	$369K	3.58%	Call
673	—MENTOR GRAPHICS CORP	10,000	$369K	3.58%	Call
674	—CLUBCORP HLDGS INC	25,700	$369K	3.58%	Call
675	—NATIONSTAR MTG HLDGS INC	20,300	$367K	3.56%	Call
676	—CERNER CORP	7,700	$365K	3.54%	Put
677	—TILE SHOP HLDGS INC	18,600	$364K	3.53%	Put
678	—ASANKO GOLD INC	119,000	$364K	3.53%	Call
679	—GRAN TIERRA ENERGY INC	120,400	$364K	3.53%	Put
680	—ENZO BIOCHEM INC	52,100	$362K	3.51%	Call
681	SKYWSKYWEST INC	9,900	$361K	3.50%	Call
682	—DELEK US HLDGS INC	15,000	$361K	3.50%	Call
683	—FAIRMOUNT SANTROL HLDGS INC	30,600	$361K	3.50%	Call
684	INGING GROEP N V	25,600	$361K	3.50%	Call
685	—MCDERMOTT INTL INC	48,900	$361K	3.50%	Put
686	—EQUITY COMWLTH	11,900	$360K	3.49%	Put
687	CDZICADIZ INC	28,800	$360K	3.49%	Call
688	BCCBOISE CASCADE CO DEL	16,000	$360K	3.49%	Put
689	—NYMOX PHARMACEUTICAL CORP	134,400	$359K	3.48%	Put
690	CFRCULLEN FROST BANKERS INC	4,054	$358K	3.47%
691	—JUMEI INTL HLDG LTD	71,200	$357K	3.46%	Call
692	NOWSERVICENOW INC	4,800	$357K	3.46%	Call
693	—PACKAGING CORP AMER	4,200	$356K	3.45%	Put
694	—FAIRMOUNT SANTROL HLDGS INC	30,158	$356K	3.45%
695	CRUSCIRRUS LOGIC INC	6,300	$356K	3.45%	Call
696	—HOSPITALITY PPTYS TR	11,200	$355K	3.44%	Put
697	—ORGANOVO HLDGS INC	104,700	$355K	3.44%	Put
698	ATIALLEGHENY TECHNOLOGIES INC	22,200	$354K	3.43%	Call
699	—OLD REP INTL CORP	18,600	$353K	3.42%	Put
700	—APPROACH RESOURCES INC	105,000	$352K	3.41%	Call

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