GROUP ONE TRADING LLC Q4 2018 Filing

Filed February 6, 2019

Portfolio Value

$11.5M

Holdings

4,844

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (4,844 positions)

#	Stock	Shares	Value	% Portfolio	Type
2401	ABJAABB LTD	15,827	$301K	2.61%
2402	VCVISTEON CORP	5,000	$301K	2.61%	Call
2403	CVNACARVANA CO	9,200	$301K	2.61%	Put
2404	FORMFORMFACTOR INC	21,300	$300K	2.60%	Put
2405	—LINE CORP	8,800	$300K	2.60%	Put
2406	CARAEURCARA THERAPEUTICS INC	23,049	$300K	2.60%
2407	—GRACE W R & CO DEL NEW	4,600	$299K	2.59%	Call
2408	—MIMECAST LTD	8,900	$299K	2.59%	Put
2409	MXMAGNACHIP SEMICONDUCTOR CORP	48,198	$299K	2.59%
2410	—AEGON N V	64,100	$298K	2.58%	Call
2411	—ACCELERATE DIAGNOSTICS INC	25,900	$298K	2.58%	Put
2412	AUPHAURINIA PHARMACEUTICALS INC	43,500	$297K	2.57%	Put
2413	—ROYAL BK SCOTLAND GROUP PLC	53,100	$297K	2.57%	Put
2414	NOG1EURNORTHERN OIL & GAS INC NEV	131,360	$297K	2.57%
2415	—PROGENICS PHARMACEUTICALS IN	70,779	$297K	2.57%
2416	—MELLANOX TECHNOLOGIES LTD	3,200	$296K	2.57%	Put
2417	AVXLANAVEX LIFE SCIENCES CORP	189,900	$296K	2.57%	Put
2418	MSBMESABI TR	12,500	$296K	2.57%	Put
2419	ABBVABBVIE INC	3,214	$296K	2.57%
2420	LDOSLEIDOS HLDGS INC	5,589	$295K	2.56%
2421	GDDYGODADDY INC	4,500	$295K	2.56%	Call
2422	—FREDS INC	155,915	$295K	2.56%
2423	MITKMITEK SYS INC	27,300	$295K	2.56%	Call
2424	ANETARISTA NETWORKS INC	1,400	$295K	2.56%	Call
2425	WINGWINGSTOP INC	4,561	$293K	2.54%
2426	—ATLANTIC PWR CORP	135,000	$293K	2.54%	Put
2427	—ANDEAVOR LOGISTICS LP	9,000	$292K	2.53%	Put
2428	XECEURCIMAREX ENERGY CO	4,744	$292K	2.53%
2429	NUVAGBPNUVASIVE INC	5,901	$292K	2.53%
2430	—CHANGYOU COM LTD	15,900	$291K	2.52%	Call
2431	5TCTRUECAR INC	32,084	$291K	2.52%
2432	—ROWAN COMPANIES PLC	34,700	$291K	2.52%	Call
2433	DBCINVESCO DB COMMDY INDX TRCK	20,066	$291K	2.52%
2434	—PENNEY J C INC	279,100	$290K	2.51%	Call
2435	GTNGRAY TELEVISION INC	19,700	$290K	2.51%	Put
2436	CNDTCONDUENT INC	27,300	$290K	2.51%	Put
2437	—MAKEMYTRIP LIMITED MAURITIUS	11,900	$290K	2.51%	Call
2438	GTXGARRETT MOTION INC	23,441	$289K	2.51%
2439	GOGOGOGO INC	96,600	$289K	2.51%	Call
2440	—PROGENICS PHARMACEUTICALS IN	68,900	$289K	2.51%	Call
2441	PBYIPUMA BIOTECHNOLOGY INC	14,200	$289K	2.51%	Call
2442	ETRAE TRADE FINANCIAL CORP	6,568	$288K	2.50%
2443	—ENLINK MIDSTREAM PARTNERS LP	26,200	$288K	2.50%	Call
2444	MARMARRIOTT INTL INC NEW	2,649	$288K	2.50%
2445	—AXA EQUITABLE HLDGS INC	17,326	$288K	2.50%
2446	HSTHOST HOTELS & RESORTS INC	17,300	$288K	2.50%	Call
2447	—BMC STK HLDGS INC	18,459	$286K	2.48%
2448	CARSCARS COM INC	13,300	$286K	2.48%	Call
2449	—LUXOFT HLDG INC	9,377	$285K	2.47%
2450	CQPCHENIERE ENERGY PARTNERS LP	7,900	$285K	2.47%	Put
2451	CSTECAESARSTONE LTD	20,900	$284K	2.46%	Put
2452	—EVERBRIDGE INC	5,000	$284K	2.46%	Put
2453	NOMDNOMAD FOODS LTD	16,950	$283K	2.45%
2454	—AVON PRODS INC	185,400	$282K	2.44%	Call
2455	FMCF M C CORP	3,800	$281K	2.44%	Put
2456	FNKOFUNKO INC	21,400	$281K	2.44%	Call
2457	MFS1EURWELBILT INC	25,299	$281K	2.44%
2458	AMRSEURAMYRIS INC	84,263	$281K	2.44%
2459	—NATIONAL INSTRS CORP	6,200	$281K	2.44%	Put
2460	DVNDEVON ENERGY CORP NEW	12,423	$280K	2.43%
2461	NTNXNUTANIX INC	6,727	$280K	2.43%
2462	CXWCORECIVIC INC	15,645	$279K	2.42%
2463	LFCUSDCHINA LIFE INS CO LTD	26,590	$279K	2.42%
2464	—LIFE STORAGE INC	3,000	$279K	2.42%	Put
2465	—BGC PARTNERS INC	54,000	$279K	2.42%	Call
2466	ROLROLLINS INC	7,700	$278K	2.41%	Put
2467	—IMPERVA INC	5,000	$278K	2.41%	Put
2468	LOMALOMA NEGRA CORP	24,938	$278K	2.41%
2469	—AIR TRANSPORT SERVICES GRP I	12,200	$278K	2.41%	Put
2470	VLYVALLEY NATL BANCORP	31,200	$277K	2.40%	Put
2471	WECWEC ENERGY GROUP INC	4,000	$277K	2.40%	Call
2472	AYS1SANDSTORM GOLD LTD	59,786	$276K	2.39%
2473	GDDYGODADDY INC	4,177	$274K	2.38%
2474	—VENATOR MATLS PLC	65,430	$274K	2.38%
2475	VSHVISHAY INTERTECHNOLOGY INC	15,200	$274K	2.38%	Call
2476	—NUSTAR ENERGY LP	13,100	$274K	2.38%	Call
2477	UPSUNITED PARCEL SERVICE INC	2,800	$273K	2.37%	Put
2478	—TRAVELPORT WORLDWIDE LTD	17,500	$273K	2.37%	Put
2479	BDCBELDEN INC	6,500	$272K	2.36%	Call
2480	—TERADATA CORP DEL	7,100	$272K	2.36%	Call
2481	—ATTUNITY LTD	13,800	$272K	2.36%	Call
2482	—CARBON BLACK INC	20,300	$272K	2.36%	Call
2483	TWOU2U INC	5,451	$271K	2.35%
2484	—PLANTRONICS INC NEW	8,200	$271K	2.35%	Call
2485	—HERTZ GLOBAL HLDGS INC	19,851	$271K	2.35%
2486	TECKTECK RESOURCES LTD	12,600	$271K	2.35%	Put
2487	—TERADATA CORP DEL	7,000	$269K	2.33%	Put
2488	CVLGCOVENANT TRANSN GROUP INC	14,000	$269K	2.33%	Put
2489	—CENTURY ALUM CO	36,800	$269K	2.33%	Put
2490	HSYHERSHEY CO	2,500	$268K	2.32%	Call
2491	—SUNCOKE ENERGY PARTNERS L P	25,200	$268K	2.32%	Call
2492	CDWCDW CORP	3,300	$267K	2.31%	Put
2493	—CABOT MICROELECTRONICS CORP	2,800	$267K	2.31%	Put
2494	AXTIAXT INC	61,416	$267K	2.31%
2495	—BLUCORA INC	10,000	$266K	2.31%	Call
2496	—PLATFORM SPECIALTY PRODS COR	25,663	$265K	2.30%
2497	CLBKCOLUMBIA FINL INC	17,350	$265K	2.30%
2498	—SANDRIDGE PERMIAN TR	140,400	$265K	2.30%	Put
2499	—EMERGE ENERGY SVCS LP	171,836	$265K	2.30%
2500	—VEDANTA LTD	23,000	$265K	2.30%	Put

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