GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7M

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#	Stock	Shares	Value	% Portfolio	Type
3501	—NEOPHOTONICS CORP	17,920	$112K	0.96%
3502	—OPHTHOTECH CORP	41,100	$112K	0.96%	Call
3503	—TRIUMPH GROUP INC NEW	5,700	$112K	0.96%	Put
3504	—MINDBODY INC	2,889	$112K	0.96%
3505	—STORE CAP CORP	4,100	$112K	0.96%	Put
3506	XIFRNEXTERA ENERGY PARTNERS LP	2,396	$112K	0.96%
3507	TMHCTAYLOR MORRISON HOME CORP	5,400	$112K	0.96%	Call
3508	—ARES MGMT LP	5,400	$112K	0.96%	Put
3509	RDIREADING INTERNATIONAL INC	7,000	$112K	0.96%
3510	—KEANE GROUP INC	8,200	$112K	0.96%	Put
3511	AZTABROOKS AUTOMATION INC	3,400	$111K	0.95%	Put
3512	ANGI1EURANGI HOMESERVICES INC	7,210	$111K	0.95%
3513	MFS1EURWELBILT INC	4,963	$111K	0.95%
3514	—PENNSYLVANIA RL ESTATE INVT	10,100	$111K	0.95%	Call
3515	NYTNEW YORK TIMES CO	4,300	$111K	0.95%	Put
3516	APPSDIGITAL TURBINE INC	73,300	$111K	0.95%	Call
3517	—WORLD ACCEP CORP DEL	1,000	$111K	0.95%	Put
3518	CPSSCONSUMER PORTFOLIO SVCS INC	27,247	$111K	0.95%
3519	PRAAPRA GROUP INC	2,892	$111K	0.95%
3520	—ASSEMBLY BIOSCIENCES INC	2,800	$110K	0.94%	Call
3521	—EP ENERGY CORP	36,505	$110K	0.94%
3522	GLUUGLU MOBILE INC	17,223	$110K	0.94%
3523	—SRC ENERGY INC	10,000	$110K	0.94%	Put
3524	—NOVELION THERAPEUTICS INC	30,000	$110K	0.94%	Put
3525	IEPICAHN ENTERPRISES LP	1,547	$110K	0.94%
3526	LADRLADDER CAP CORP	7,000	$109K	0.93%	Call
3527	TKRTIMKEN CO	2,500	$109K	0.93%	Put
3528	—WINDSTREAM HLDGS INC	20,600	$109K	0.93%	Put
3529	—IMMUNE DESIGN CORP	23,900	$109K	0.93%	Call
3530	—CARLYLE GROUP L P	5,100	$109K	0.93%	Put
3531	—KINDRED HEALTHCARE INC	12,000	$108K	0.92%	Call
3532	TELLEURTELLURIAN INC NEW	12,976	$108K	0.92%
3533	OMEXODYSSEY MARINE EXPLORATION I	13,000	$108K	0.92%	Put
3534	SNDSMART SAND INC	20,200	$107K	0.92%	Put
3535	MPWRMONOLITHIC PWR SYS INC	800	$107K	0.92%
3536	MIC2EURMACQUARIE INFRASTRUCTURE COR	2,518	$106K	0.91%
3537	—HORNBECK OFFSHORE SVCS INC N	26,700	$106K	0.91%	Call
3538	NDLSUSDNOODLES & CO	8,591	$106K	0.91%
3539	ARWRARROWHEAD PHARMACEUTICALS IN	7,793	$106K	0.91%
3540	RFPUSDRESOLUTE FST PRODS INC	10,113	$105K	0.90%
3541	—CITRIX SYS INC	1,000	$105K	0.90%	Call
3542	HTHTHUAZHU GROUP LTD	2,500	$105K	0.90%	Call
3543	TEXTEREX CORP NEW	2,500	$105K	0.90%	Put
3544	GEOGEO GROUP INC NEW	3,800	$105K	0.90%	Put
3545	PCARPACCAR INC	1,700	$105K	0.90%	Call
3546	—BELLICUM PHARMACEUTICALS INC	14,200	$105K	0.90%	Call
3547	TUPTUPPERWARE BRANDS CORP	2,556	$105K	0.90%
3548	—ORANGE	6,300	$105K	0.90%	Call
3549	—ENERGY XXI GULF COAST INC	11,900	$105K	0.90%	Call
3550	—WORTHINGTON INDS INC	2,500	$105K	0.90%	Call
3551	KROKRONOS WORLDWIDE INC	4,600	$104K	0.89%	Put
3552	—MODEL N INC	5,600	$104K	0.89%	Call
3553	BMTABRITISH AMERN TOB PLC	2,060	$104K	0.89%
3554	—GOLDEN STAR RES LTD CDA	153,800	$104K	0.89%	Call
3555	WATTENERGOUS CORP	6,998	$104K	0.89%
3556	—LOGMEIN INC	1,000	$103K	0.88%	Put
3557	—ADVANTAGE OIL & GAS LTD	33,100	$103K	0.88%	Call
3558	ONCBEIGENE LTD	671	$103K	0.88%
3559	—ASTERIAS BIOTHERAPEUTICS INC	76,200	$103K	0.88%	Put
3560	—MIMECAST LTD	2,500	$103K	0.88%	Put
3561	—NAM TAI PPTY INC	9,400	$103K	0.88%	Put
3562	POOLWHIRLPOOL CORP	700	$102K	0.87%	Put
3563	NMIHNMI HLDGS INC	6,237	$102K	0.87%
3564	CNKCINEMARK HOLDINGS INC	2,900	$102K	0.87%	Put
3565	—MAXWELL TECHNOLOGIES INC	19,688	$102K	0.87%
3566	QUADQUAD / GRAPHICS INC	4,900	$102K	0.87%	Put
3567	KTOSKRATOS DEFENSE & SEC SOLUTIO	8,744	$101K	0.86%
3568	ALRMALARM COM HLDGS INC	2,500	$101K	0.86%	Call
3569	SMPLSIMPLY GOOD FOODS CO	7,000	$101K	0.86%	Call
3570	ATHMAUTOHOME INC	1,000	$101K	0.86%	Call
3571	—CORE LABORATORIES N V	800	$101K	0.86%	Call
3572	—EDGEWELL PERS CARE CO	2,000	$101K	0.86%	Put
3573	—CUTERA INC	2,500	$101K	0.86%	Put
3574	—KANDI TECHNOLOGIES GROUP INC	23,500	$100K	0.86%	Call
3575	ARAYACCURAY INC	24,400	$100K	0.86%	Call
3576	ATHMAUTOHOME INC	987	$100K	0.86%
3577	—SWITCH INC	8,200	$100K	0.86%	Put
3578	—CONVERGYS CORP	4,100	$100K	0.86%	Put
3579	PRIPRIMERICA INC	1,000	$100K	0.86%	Call
3580	—TRAVELCENTERS AMER LLC	28,500	$100K	0.86%	Put
3581	ZGZILLOW GROUP INC	1,664	$99K	0.85%
3582	TRAKPARK CITY GROUP INC	12,500	$99K	0.85%	Call
3583	—ANTARES PHARMA INC	38,400	$99K	0.85%	Call
3584	INVAINNOVIVA INC	7,200	$99K	0.85%	Put
3585	HLHECLA MNG CO	28,582	$99K	0.85%
3586	ACHCACADIA HEALTHCARE COMPANY IN	2,408	$99K	0.85%
3587	CROXCROCS INC	5,600	$99K	0.85%	Call
3588	BWXTBWX TECHNOLOGIES INC	1,567	$98K	0.84%
3589	—CRESCENT PT ENERGY CORP	13,400	$98K	0.84%	Put
3590	GOGOGOGO INC	20,145	$98K	0.84%
3591	CYDCHINA YUCHAI INTL LTD	4,500	$98K	0.84%	Call
3592	—BLUE HILLS BANCORP INC	4,400	$98K	0.84%	Put
3593	COLROCKWELL COLLINS INC	731	$98K	0.84%
3594	—CENTENNIAL RESOURCE DEV INC	5,400	$98K	0.84%	Put
3595	—STONEMOR PARTNERS L P	16,200	$98K	0.84%	Put
3596	TOURTUNIU CORP	11,600	$98K	0.84%	Call
3597	—AIMMUNE THERAPEUTICS INC	3,600	$97K	0.83%	Put
3598	CPSSCONSUMER PORTFOLIO SVCS INC	23,800	$97K	0.83%	Put
3599	—BIG 5 SPORTING GOODS CORP	12,800	$97K	0.83%	Call
3600	—HOSPITALITY PPTYS TR	3,400	$97K	0.83%	Call

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