GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7M

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#	Stock	Shares	Value	% Portfolio	Type
2601	ITTITT INC	5,800	$355K	2.81%	Call
2602	CRREURCARBO CERAMICS INC	48,974	$355K	2.81%
2603	—CVR REFNG LP	18,000	$355K	2.81%	Put
2604	NATNORDIC AMERICAN TANKERS LIMI	169,800	$355K	2.81%	Call
2605	BJRIBJS RESTAURANTS INC	4,905	$354K	2.80%
2606	—CHEMOCENTRYX INC	28,000	$354K	2.80%	Call
2607	—JUMEI INTL HLDG LTD	165,500	$353K	2.79%	Call
2608	—STERICYCLE INC	6,000	$352K	2.78%	Call
2609	—VENATOR MATLS PLC	39,115	$352K	2.78%
2610	DUKDUKE ENERGY CORP NEW	4,400	$352K	2.78%	Put
2611	SEESEALED AIR CORP NEW	8,736	$351K	2.77%
2612	BKEBUCKLE INC	15,200	$350K	2.77%	Put
2613	—PROS HOLDINGS INC	10,000	$350K	2.77%	Call
2614	—ENZO BIOCHEM INC	85,000	$350K	2.77%	Call
2615	BOOTBOOT BARN HLDGS INC	12,300	$349K	2.76%	Put
2616	—IRON MTN INC NEW	10,100	$349K	2.76%	Put
2617	OLEDUNIVERSAL DISPLAY CORP	2,960	$349K	2.76%
2618	—INGERSOLL-RAND PLC	3,400	$348K	2.75%	Put
2619	VCELVERICEL CORP	24,600	$348K	2.75%	Call
2620	APPNAPPIAN CORP	10,500	$348K	2.75%	Call
2621	—CALLON PETE CO DEL	28,900	$347K	2.74%	Put
2622	KBRKBR INC	16,400	$347K	2.74%	Put
2623	—SHIP FINANCE INTERNATIONAL L	24,900	$346K	2.73%	Call
2624	VFCV F CORP	3,700	$346K	2.73%	Put
2625	VACMARRIOTT VACATIONS WRLDWDE C	3,100	$346K	2.73%	Call
2626	—REALOGY HLDGS CORP	16,700	$345K	2.73%	Call
2627	PBVPRESTIGE CONSMR HEALTHCARE I	9,100	$345K	2.73%
2628	NGNOVAGOLD RES INC	92,700	$344K	2.72%	Put
2629	—SHIP FINANCE INTERNATIONAL L	24,757	$344K	2.72%
2630	EVHEVOLENT HEALTH INC	12,081	$343K	2.71%
2631	—MOMENTA PHARMACEUTICALS INC	13,000	$342K	2.70%	Put
2632	WELLWELLTOWER INC	5,318	$342K	2.70%
2633	ETRENTERGY CORP NEW	4,200	$341K	2.69%
2634	—MEDNAX INC	7,300	$341K	2.69%	Put
2635	EAFGRAFTECH INTL LTD	17,500	$341K	2.69%	Call
2636	BNSBANK N S HALIFAX	5,700	$340K	2.69%	Call
2637	FMCF M C CORP	3,900	$340K	2.69%	Put
2638	PETSPETMED EXPRESS INC	10,300	$340K	2.69%	Put
2639	BJRIBJS RESTAURANTS INC	4,700	$339K	2.68%	Call
2640	RYAMRAYONIER ADVANCED MATLS INC	18,400	$339K	2.68%	Call
2641	FFIVF5 NETWORKS INC	1,700	$339K	2.68%	Call
2642	AAPADVANCE AUTO PARTS INC	2,000	$337K	2.66%	Call
2643	—CHEETAH MOBILE INC	34,200	$336K	2.66%	Put
2644	—LUMBER LIQUIDATORS HLDGS INC	21,600	$335K	2.65%	Call
2645	5TCTRUECAR INC	23,742	$335K	2.65%
2646	—ADTALEM GLOBAL ED INC	6,900	$333K	2.63%	Put
2647	—NIC INC	22,400	$332K	2.62%	Call
2648	—TRANSCANADA CORP	8,200	$332K	2.62%	Call
2649	—ATARA BIOTHERAPEUTICS INC	8,000	$331K	2.62%	Call
2650	ALKSALKERMES PLC	7,800	$331K	2.62%	Put
2651	—ATHENE HLDG LTD	6,400	$331K	2.62%	Call
2652	MFINMEDALLION FINL CORP	49,500	$329K	2.60%	Call
2653	HDBHDFC BANK LTD	3,500	$329K	2.60%	Call
2654	SRGSERITAGE GROWTH PPTYS	6,938	$329K	2.60%
2655	ANABANAPTYSBIO INC	3,300	$329K	2.60%	Put
2656	KRNTKORNIT DIGITAL LTD	15,000	$329K	2.60%	Put
2657	MANHMANHATTAN ASSOCS INC	6,000	$328K	2.59%	Call
2658	—BLUEPRINT MEDICINES CORP	4,200	$328K	2.59%	Call
2659	SOHUSOHU COM LTD	16,500	$328K	2.59%	Put
2660	AVXLANAVEX LIFE SCIENCES CORP	120,030	$328K	2.59%
2661	—ORCHIDS PAPER PRODS CO DEL	99,100	$327K	2.58%	Put
2662	—CASA SYS INC	22,200	$327K	2.58%	Call
2663	—FANHUA INC	12,100	$327K	2.58%	Call
2664	—PETROCHINA CO LTD	4,000	$326K	2.58%	Call
2665	—MOMENTA PHARMACEUTICALS INC	12,400	$326K	2.58%	Call
2666	—BMC STK HLDGS INC	17,500	$326K	2.58%	Put
2667	SQMSOCIEDAD QUIMICA MINERA DE C	7,130	$326K	2.58%
2668	SIGASIGA TECHNOLOGIES INC	47,200	$325K	2.57%	Call
2669	—NEXTGEN HEALTHCARE INC	16,200	$325K	2.57%	Call
2670	—CARBONITE INC	9,100	$324K	2.56%	Call
2671	—SUNPOWER CORP	44,200	$323K	2.55%	Put
2672	—EVERBRIDGE INC	5,600	$323K	2.55%	Put
2673	—SUNPOWER CORP	44,200	$323K	2.55%	Call
2674	MIMEMIMECAST LTD	7,706	$323K	2.55%
2675	BNSBANK N S HALIFAX	5,400	$322K	2.54%
2676	—U S CONCRETE INC	7,000	$321K	2.54%	Put
2677	SPPIUSDSPECTRUM PHARMACEUTICALS INC	19,106	$321K	2.54%
2678	BECNUSDBEACON ROOFING SUPPLY INC	8,812	$319K	2.52%
2679	—QUIDEL CORP	4,900	$319K	2.52%	Put
2680	—GLOBAL PMTS INC	2,500	$319K	2.52%	Put
2681	PTCPTC INC	3,000	$319K	2.52%	Put
2682	—CHINA LIFE INS CO LTD	28,000	$319K	2.52%	Put
2683	UPLDUPLAND SOFTWARE INC	9,884	$319K	2.52%
2684	—TRONOX LTD	26,700	$319K	2.52%	Put
2685	RDNRADIAN GROUP INC	15,400	$318K	2.51%	Call
2686	—PLURISTEM THERAPEUTICS INC	244,900	$318K	2.51%	Call
2687	STWDSTARWOOD PPTY TR INC	14,760	$318K	2.51%
2688	MEDPMEDPACE HLDGS INC	5,300	$318K	2.51%	Call
2689	HP5AEQUITY COMWLTH	9,902	$318K	2.51%
2690	—DIPLOMAT PHARMACY INC	16,300	$316K	2.50%	Put
2691	BYDBOYD GAMING CORP	9,344	$316K	2.50%
2692	ERICERICSSON	35,900	$316K	2.50%	Put
2693	GELGENESIS ENERGY L P	13,300	$316K	2.50%	Put
2694	SMTCSEMTECH CORP	5,665	$315K	2.49%
2695	—LUMINEX CORP DEL	10,400	$315K	2.49%	Put
2696	—OBSIDIAN ENERGY LTD	332,000	$315K	2.49%	Put
2697	CORTCORCEPT THERAPEUTICS INC	22,400	$314K	2.48%	Call
2698	PHPARKER HANNIFIN CORP	1,700	$313K	2.47%	Call
2699	—TAHOE RES INC	112,230	$313K	2.47%
2700	NSCNORFOLK SOUTHERN CORP	1,730	$312K	2.47%

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