GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7M

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#	Stock	Shares	Value	% Portfolio	Type
3501	—REVLON INC	3,000	$58K	0.35%	Call
3502	—DAVIDSTEA INC	41,982	$58K	0.35%
3503	—NORTHSTAR REALTY EUROPE CORP	3,368	$58K	0.35%
3504	—USA TRUCK INC	4,000	$58K	0.35%	Put
3505	TXM1TRAVELZOO	4,243	$57K	0.34%
3506	—MYOKARDIA INC	1,100	$57K	0.34%	Call
3507	YB4PSAVARA INC	7,670	$57K	0.34%
3508	CROXCROCS INC	2,200	$57K	0.34%	Put
3509	AGXARGAN INC	1,144	$57K	0.34%
3510	—ORCHID IS CAP INC	8,700	$57K	0.34%	Call
3511	AKBAAKEBIA THERAPEUTICS INC	7,000	$57K	0.34%	Call
3512	IMAXIMAX CORP	2,500	$57K	0.34%	Put
3513	—HORNBECK OFFSHORE SVCS INC N	46,300	$57K	0.34%	Call
3514	—AVALARA INC	1,000	$56K	0.34%	Put
3515	CORECORE MARK HOLDING CO INC	1,498	$56K	0.34%
3516	CMSCMS ENERGY CORP	1,000	$56K	0.34%	Put
3517	CMSCMS ENERGY CORP	1,000	$56K	0.34%	Call
3518	—RYDER SYS INC	900	$56K	0.34%	Put
3519	MGIEURMONEYGRAM INTL INC	27,409	$56K	0.34%
3520	PUMPPROPETRO HLDG CORP	2,481	$56K	0.34%
3521	—BIG 5 SPORTING GOODS CORP	17,700	$56K	0.34%	Call
3522	—DAVIDSTEA INC	40,300	$56K	0.34%	Put
3523	ABTABBOTT LABS	700	$56K	0.34%	Put
3524	—NUSTAR ENERGY LP	2,100	$56K	0.34%	Put
3525	PLUGPLUG POWER INC	23,200	$56K	0.34%	Put
3526	RRYDER SYS INC	906	$56K	0.34%
3527	BXMTBLACKSTONE MTG TR INC	1,608	$56K	0.34%
3528	RDNTRADNET INC	4,500	$56K	0.34%	Put
3529	—AUDENTES THERAPEUTICS INC	1,400	$55K	0.33%	Put
3530	—BJS WHSL CLUB HLDGS INC	2,000	$55K	0.33%	Call
3531	DHXDHI GROUP INC	22,700	$55K	0.33%
3532	RRGBRED ROBIN GOURMET BURGERS IN	1,900	$55K	0.33%	Call
3533	—PCM INC	1,500	$55K	0.33%
3534	CYTKCYTOKINETICS INC	6,800	$55K	0.33%	Put
3535	WWWWOLVERINE WORLD WIDE INC	1,548	$55K	0.33%
3536	RGRSTURM RUGER & CO INC	1,046	$55K	0.33%
3537	FIZZNATIONAL BEVERAGE CORP	956	$55K	0.33%
3538	HRTGHERITAGE INS HLDGS INC	3,800	$55K	0.33%	Put
3539	TEFOFTELEFONIC A S A	6,600	$55K	0.33%	Call
3540	TMOTHERMO FISHER SCIENTIFIC INC	200	$55K	0.33%	Put
3541	—NAM TAI PPTY INC	5,500	$54K	0.32%	Put
3542	AKBAAKEBIA THERAPEUTICS INC	6,600	$54K	0.32%	Put
3543	TCE2CELLDEX THERAPEUTICS INC NEW	10,948	$54K	0.32%
3544	ASPSALTISOURCE PORTFOLIO SOLNS S	2,300	$54K	0.32%	Put
3545	PFLTPENNANTPARK FLOATING RATE CA	4,200	$54K	0.32%	Put
3546	SIGASIGA TECHNOLOGIES INC	8,943	$54K	0.32%
3547	—UNITED STS BRENT OIL FD LP	2,828	$54K	0.32%
3548	CNXCNX RESOURCES CORPORATION	4,982	$54K	0.32%
3549	—ULTRA PETROLEUM CORP	89,308	$54K	0.32%
3550	RPREALPAGE INC	894	$54K	0.32%
3551	—ACORDA THERAPEUTICS INC	3,990	$53K	0.32%
3552	—ECHO GLOBAL LOGISTICS INC	2,136	$53K	0.32%
3553	CLNECLEAN ENERGY FUELS CORP	17,100	$53K	0.32%	Call
3554	PBFPBF ENERGY INC	1,700	$53K	0.32%	Call
3555	—CONATUS PHARMACEUTICALS INC	49,100	$53K	0.32%	Put
3556	IAUUSDISHARES GOLD TRUST	4,245	$53K	0.32%
3557	—AVID TECHNOLOGY INC	7,180	$53K	0.32%
3558	—CYMABAY THERAPEUTICS INC	4,000	$53K	0.32%	Put
3559	YRDYIRENDAI LTD	3,900	$53K	0.32%	Call
3560	INSYEURINSYS THERAPEUTICS INC NEW	11,460	$53K	0.32%
3561	EHCENCOMPASS HEALTH CORP	891	$52K	0.31%
3562	—TYME TECHNOLOGIES INC	29,730	$52K	0.31%
3563	SBLKSTAR BULK CARRIERS CORP	7,956	$52K	0.31%
3564	ADMAADMA BIOLOGICS INC	13,700	$52K	0.31%
3565	TDCTERADATA CORP DEL	1,197	$52K	0.31%
3566	—ACACIA COMMUNICATIONS INC	900	$52K	0.31%	Call
3567	—BLACKSTONE MTG TR INC	1,500	$52K	0.31%	Put
3568	—NANTKWEST INC	32,900	$52K	0.31%
3569	RYAMRAYONIER ADVANCED MATLS INC	3,805	$52K	0.31%
3570	—PROGENICS PHARMACEUTICALS IN	11,000	$51K	0.31%	Put
3571	HDSNHUDSON TECHNOLOGIES INC	26,600	$51K	0.31%	Call
3572	MMLPMARTIN MIDSTREAM PRTNRS L P	4,100	$51K	0.31%	Call
3573	—CONSOL ENERGY INC NEW	1,500	$51K	0.31%	Call
3574	—BANCO SANTANDER MEXICO S A	7,500	$51K	0.31%	Call
3575	AVNSAVANOS MED INC	1,190	$51K	0.31%
3576	—WESTERN ASSET MTG CAP CORP	5,000	$51K	0.31%	Put
3577	—COWEN INC	3,500	$51K	0.31%	Call
3578	—CERIDIAN HCM HLDG INC	1,000	$51K	0.31%	Put
3579	CENTCENTRAL GARDEN & PET CO	2,000	$51K	0.31%	Call
3580	—PENNSYLVANIA RL ESTATE INVT	7,900	$50K	0.30%	Put
3581	KPTIKARYOPHARM THERAPEUTICS INC	8,500	$50K	0.30%	Put
3582	—HC2 HLDGS INC	20,534	$50K	0.30%
3583	VOYAVOYA FINL INC	1,000	$50K	0.30%	Put
3584	ZUMZZUMIEZ INC	2,000	$50K	0.30%	Put
3585	—ADAMAS PHARMACEUTICALS INC	7,026	$50K	0.30%
3586	—TECHTARGET INC	3,100	$50K	0.30%	Put
3587	—EROS INTL PLC	5,500	$50K	0.30%	Call
3588	VSTOEURVISTA OUTDOOR INC	6,289	$50K	0.30%
3589	AEISADVANCED ENERGY INDS	1,000	$50K	0.30%	Put
3590	CLSDUSDCLEARSIDE BIOMEDICAL INC	36,312	$50K	0.30%
3591	WHDCACTUS INC	1,400	$50K	0.30%	Put
3592	EXKENDEAVOUR SILVER CORP	19,800	$50K	0.30%	Put
3593	ALLTALLOT LTD	6,300	$50K	0.30%
3594	KBDCKAYNE ANDERSN MLP MIDS INVT	3,100	$50K	0.30%	Call
3595	NFGNATIONAL FUEL GAS CO N J	800	$49K	0.29%
3596	HMCHONDA MOTOR LTD	1,800	$49K	0.29%	Put
3597	—OWENS & MINOR INC NEW	11,900	$49K	0.29%	Put
3598	LPLLG DISPLAY CO LTD	5,700	$49K	0.29%	Call
3599	ALSNALLISON TRANSMISSION HLDGS I	1,100	$49K	0.29%
3600	—CRESTWOOD EQUITY PARTNERS LP	1,400	$49K	0.29%	Put

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