GROUP ONE TRADING LLC Q1 2018 Filing

Filed May 11, 2018

Portfolio Value

$10.5M

Holdings

4,806

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (4,806 positions)

#	Stock	Shares	Value	% Portfolio	Type
2701	CSIQCANADIAN SOLAR INC	14,433	$235K	2.23%
2702	SVRASAVARA INC	25,500	$235K	2.23%	Call
2703	TOLTOLL BROTHERS INC	5,400	$234K	2.22%	Call
2704	GTGOODYEAR TIRE & RUBR CO	8,800	$234K	2.22%	Call
2705	CERNCHFCERNER CORP	4,038	$234K	2.22%
2706	—MONEYGRAM INTL INC	27,200	$234K	2.22%	Put
2707	—PROTEOSTASIS THERAPEUTICS IN	49,300	$234K	2.22%	Call
2708	ADMARCHER DANIELS MIDLAND CO	5,400	$234K	2.22%	Put
2709	—COGINT INC	93,100	$233K	2.21%	Call
2710	—BIOTELEMETRY INC	7,514	$233K	2.21%
2711	MGPIMGP INGREDIENTS INC NEW	2,600	$233K	2.21%	Put
2712	LYVLIVE NATION ENTERTAINMENT IN	5,500	$232K	2.20%	Call
2713	FIVNFIVE9 INC	7,800	$232K	2.20%	Put
2714	—NEOPHOTONICS CORP	33,900	$232K	2.20%	Put
2715	—AIMMUNE THERAPEUTICS INC	7,300	$232K	2.20%	Call
2716	COLLCOLLEGIUM PHARMACEUTICAL INC	9,000	$230K	2.18%	Put
2717	INOINOVIO PHARMACEUTICALS INC	48,883	$230K	2.18%
2718	GSMFERROGLOBE PLC	21,400	$230K	2.18%	Put
2719	—INOVIO PHARMACEUTICALS INC	48,900	$230K	2.18%	Call
2720	DYHTARGET CORP	3,295	$229K	2.17%
2721	CERSCERUS CORP	41,800	$229K	2.17%	Call
2722	GLWCORNING INC	8,200	$229K	2.17%	Put
2723	—NEPTUNE TECHNOLOGIES BIORESO	81,570	$229K	2.17%
2724	—AVEO PHARMACEUTICALS INC	79,134	$229K	2.17%
2725	—VITAMIN SHOPPE INC	52,603	$229K	2.17%
2726	EIXEDISON INTL	3,574	$228K	2.16%
2727	NAVINAVIENT CORPORATION	17,341	$228K	2.16%
2728	AUPHAURINIA PHARMACEUTICALS INC	43,700	$227K	2.15%	Call
2729	GTNGRAY TELEVISION INC	17,900	$227K	2.15%	Call
2730	G3VGREEN PLAINS INC	13,527	$227K	2.15%
2731	—MINDBODY INC	5,844	$227K	2.15%
2732	OKTAOKTA INC	5,700	$227K	2.15%	Put
2733	FLXNFLEXION THERAPEUTICS INC	10,117	$227K	2.15%
2734	HCCWARRIOR MET COAL INC	8,100	$227K	2.15%	Call
2735	—PULTE GROUP INC	7,700	$227K	2.15%	Put
2736	CYTKCYTOKINETICS INC	31,500	$227K	2.15%	Call
2737	JBLJABIL INC	7,900	$227K	2.15%	Put
2738	—QIAGEN NV	7,000	$226K	2.15%	Put
2739	—CONTROL4 CORP	10,500	$226K	2.15%	Put
2740	CRREURCARBO CERAMICS INC	31,229	$226K	2.15%
2741	PTENPATTERSON UTI ENERGY INC	12,905	$226K	2.15%
2742	PODDINSULET CORP	2,600	$225K	2.14%	Put
2743	—CARDTRONICS PLC	10,100	$225K	2.14%	Put
2744	—AIR TRANSPORT SERVICES GRP I	9,600	$224K	2.13%	Call
2745	MDMEDNAX INC	4,019	$224K	2.13%
2746	BKEBUCKLE INC	10,115	$224K	2.13%
2747	GU9GUESS INC	10,796	$224K	2.13%
2748	—ASPEN INSURANCE HOLDINGS LTD	5,000	$224K	2.13%	Call
2749	—TWO HBRS INVT CORP	14,500	$223K	2.12%	Call
2750	—MAXIM INTEGRATED PRODS INC	3,700	$223K	2.12%	Call
2751	ROSTROSS STORES INC	2,865	$223K	2.12%
2752	ULUNILEVER PLC	4,000	$222K	2.11%	Put
2753	FATEFATE THERAPEUTICS INC	22,700	$222K	2.11%	Put
2754	—RICE MIDSTREAM PARTNERS LP	12,257	$222K	2.11%
2755	—ASCENA RETAIL GROUP INC	110,200	$222K	2.11%	Call
2756	—ZYNERBA PHARMACEUTICALS INC	25,600	$222K	2.11%	Call
2757	PKPARK HOTELS RESORTS INC	8,200	$222K	2.11%	Put
2758	EXKENDEAVOUR SILVER CORP	91,200	$222K	2.11%	Call
2759	—IDERA PHARMACEUTICALS INC	120,107	$221K	2.10%
2760	—PACIFIC COAST OIL TR	104,619	$221K	2.10%
2761	BSXBOSTON SCIENTIFIC CORP	8,080	$221K	2.10%
2762	—SIENTRA INC	22,900	$221K	2.10%	Put
2763	FORMFORMFACTOR INC	16,100	$220K	2.09%	Call
2764	PLUGPLUG POWER INC	116,600	$220K	2.09%	Call
2765	TTMCHFTATA MTRS LTD	8,518	$219K	2.08%
2766	NYTNEW YORK TIMES CO	9,100	$219K	2.08%
2767	SLMSLM CORP	19,558	$219K	2.08%
2768	SSRMSSR MNG INC	22,700	$218K	2.07%	Put
2769	—NEOPHOTONICS CORP	31,892	$218K	2.07%
2770	MFCMANULIFE FINL CORP	11,700	$217K	2.06%	Call
2771	NYMXFNYMOX PHARMACEUTICAL CORP	51,397	$217K	2.06%
2772	—SHIP FINANCE INTERNATIONAL L	15,200	$217K	2.06%	Call
2773	ATSG*AIR TRANSPORT SERVICES GRP I	9,259	$216K	2.05%
2774	—REVLON INC	10,500	$216K	2.05%	Put
2775	LSAKNET 1 UEPS TECHNOLOGIES INC	22,797	$216K	2.05%
2776	YUMCYUM CHINA HLDGS INC	5,200	$216K	2.05%	Put
2777	—BABCOCK & WILCOX ENTERPRIS I	49,200	$215K	2.04%	Put
2778	ROKROCKWELL AUTOMATION INC	1,235	$215K	2.04%
2779	—MEREDITH CORP	4,000	$215K	2.04%	Call
2780	LOCOEL POLLO LOCO HLDGS INC	22,600	$215K	2.04%	Put
2781	GELGENESIS ENERGY L P	10,900	$215K	2.04%	Call
2782	GTLSCHART INDS INC	3,646	$215K	2.04%
2783	—HOSTESS BRANDS INC	14,500	$214K	2.03%	Put
2784	—AVALONBAY CMNTYS INC	1,300	$214K	2.03%	Put
2785	ARMKARAMARK	5,400	$214K	2.03%	Call
2786	—SEASPAN CORP	31,900	$213K	2.02%	Put
2787	—SPECTRA ENERGY PARTNERS LP	6,300	$212K	2.01%	Call
2788	SBSCOMPANHIA DE SANEAMENTO BASI	20,000	$212K	2.01%	Put
2789	SPYUBANK MONTREAL QUE	2,800	$212K	2.01%	Call
2790	—ENBRIDGE ENERGY PARTNERS L P	22,000	$212K	2.01%	Call
2791	—CHIMERA INVT CORP	12,200	$212K	2.01%	Put
2792	—SCORPIO TANKERS INC	108,300	$212K	2.01%	Call
2793	—DONNELLEY R R & SONS CO	24,200	$211K	2.00%	Call
2794	—LA JOLLA PHARMACEUTICAL CO	7,100	$211K	2.00%	Call
2795	—TELLURIAN INC NEW	29,300	$211K	2.00%	Put
2796	—CENTURY CMNTYS INC	7,000	$210K	1.99%	Call
2797	—FLOTEK INDS INC DEL	34,432	$210K	1.99%
2798	—TEEKAY LNG PARTNERS L P	11,721	$210K	1.99%
2799	—SEASPAN CORP	31,483	$210K	1.99%
2800	CCLCARNIVAL CORP	3,200	$210K	1.99%	Call

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