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
501	CPSSCONSUMER PORTFOLIO SVCS INC	148,800	$519K	3.11%	Call
502	BWABORGWARNER INC	13,500	$519K	3.11%	Put
503	LGIHLGI HOMES INC	8,600	$518K	3.11%	Call
504	—INVITAE CORP	22,000	$515K	3.09%	Call
505	—INTEGRATED DEVICE TECHNOLOGY	10,500	$514K	3.08%	Put
506	—TUPPERWARE BRANDS CORP	20,100	$514K	3.08%	Call
507	REZIRESIDEO TECHNOLOGIES INC	26,600	$513K	3.08%	Put
508	—MEDICAL PPTYS TRUST INC	27,700	$513K	3.08%	Put
509	R6C2ROYAL DUTCH SHELL PLC	7,997	$511K	3.06%
510	—LUMBER LIQUIDATORS HLDGS INC	50,600	$511K	3.06%	Put
511	OFGOFG BANCORP	25,800	$511K	3.06%	Put
512	MASMASCO CORP	13,000	$511K	3.06%	Put
513	—ACELRX PHARMACEUTICALS INC	146,700	$511K	3.06%	Call
514	—PROSPECT CAPITAL CORPORATION	78,400	$511K	3.06%	Call
515	CERSCERUS CORP	81,800	$510K	3.06%	Put
516	—ARROW ELECTRS INC	6,600	$509K	3.05%	Call
517	—MULTI COLOR CORP	10,200	$509K	3.05%
518	—VALLEY NATL BANCORP	53,000	$508K	3.05%	Put
519	—PENNYMAC MTG INVT TR	24,500	$507K	3.04%	Call
520	—FORTRESS TRANS INFRST INVS L	29,600	$506K	3.03%	Call
521	CXCEMEX SAB DE CV	109,000	$506K	3.03%	Call
522	MTSIMACOM TECH SOLUTIONS HLDGS I	30,250	$505K	3.03%
523	CWHCAMPING WORLD HLDGS INC	36,100	$502K	3.01%	Put
524	—BROOKFIELD PPTY PARTNERS L P	24,400	$502K	3.01%	Put
525	CARAEURCARA THERAPEUTICS INC	25,595	$502K	3.01%
526	HRBBLOCK H & R INC	20,924	$501K	3.00%
527	WVEWAVE LIFE SCIENCES LTD	12,900	$501K	3.00%	Call
528	SPYUBANK MONTREAL QUE	6,700	$501K	3.00%	Call
529	—REDFIN CORP	24,700	$501K	3.00%	Put
530	HRTXHERON THERAPEUTICS INC	20,500	$501K	3.00%	Call
531	WHWYNDHAM HOTELS & RESORTS INC	10,000	$500K	3.00%	Put
532	—CF INDS HLDGS INC	12,200	$499K	2.99%	Call
533	—FIREEYE INC	29,700	$499K	2.99%	Call
534	—LIBERTY GLOBAL PLC	19,900	$496K	2.97%	Call
535	—LADDER CAP CORP	29,100	$495K	2.97%	Call
536	—ALTERYX INC	5,900	$495K	2.97%	Put
537	—U S G CORP	11,400	$494K	2.96%	Put
538	PHGKONINKLIJKE PHILIPS N V	12,100	$494K	2.96%	Put
539	GFIGOLD FIELDS LTD NEW	132,100	$493K	2.96%	Put
540	—ARENA PHARMACEUTICALS INC	11,000	$493K	2.96%	Put
541	—COMPANHIA SIDERURGICA NACION	120,000	$493K	2.96%	Call
542	—INTERSECT ENT INC	15,339	$493K	2.96%
543	ALDXALDEYRA THERAPEUTICS INC	54,500	$492K	2.95%	Put
544	HTDCORCEPT THERAPEUTICS INC	41,937	$492K	2.95%
545	OPTUALTICE USA INC	22,872	$491K	2.94%
546	WINGWINGSTOP INC	6,463	$491K	2.94%
547	AEOAMERICAN EAGLE OUTFITTERS IN	22,100	$490K	2.94%	Call
548	SSNCSS&C TECHNOLOGIES HLDGS INC	7,700	$490K	2.94%	Call
549	—AGENUS INC	164,500	$489K	2.93%	Put
550	GALTGALECTIN THERAPEUTICS INC	95,700	$489K	2.93%	Call
551	BZUNBAOZUN INC	11,764	$489K	2.93%
552	—WESTERN UN CO	26,500	$489K	2.93%	Put
553	—LUMINEX CORP DEL	21,200	$488K	2.93%	Call
554	—ANGI HOMESERVICES INC	31,600	$488K	2.93%	Call
555	UPLDUPLAND SOFTWARE INC	11,500	$487K	2.92%	Put
556	GPREGREEN PLAINS INC	29,200	$487K	2.92%	Call
557	—MOBILE TELESYSTEMS PJSC	64,300	$486K	2.91%	Put
558	—DEAN FOODS CO NEW	160,200	$485K	2.91%	Call
559	BNSBANK N S HALIFAX	9,100	$485K	2.91%	Put
560	KMXCARMAX INC	6,948	$485K	2.91%
561	FEYECHFFIREEYE INC	28,845	$484K	2.90%
562	—GASLOG PARTNERS LP	21,400	$484K	2.90%	Call
563	XLFISELECT SECTOR SPDR TR	8,700	$483K	2.90%	Call
564	—HARROW HEALTH INC	96,700	$482K	2.89%	Put
565	—DENBURY RES INC	234,900	$482K	2.89%	Call
566	NVSNOVARTIS A G	5,000	$481K	2.88%	Call
567	OSPNONESPAN INC	25,000	$481K	2.88%	Put
568	VICRVICOR CORP	15,500	$481K	2.88%	Put
569	—WINNEBAGO INDS INC	15,400	$480K	2.88%	Put
570	VNET21VIANET GROUP INC	60,281	$479K	2.87%
571	—VERINT SYS INC	8,000	$479K	2.87%	Put
572	YUMYUM BRANDS INC	4,800	$479K	2.87%	Call
573	—VERINT SYS INC	8,000	$479K	2.87%	Call
574	—SOTHEBYS	12,700	$479K	2.87%	Put
575	—GARDNER DENVER HLDGS INC	17,200	$478K	2.87%	Call
576	SONOSONOS INC	46,300	$476K	2.85%	Put
577	—HEXO CORP	71,800	$476K	2.85%	Put
578	BGSB & G FOODS INC NEW	19,500	$476K	2.85%	Put
579	—DAVE & BUSTERS ENTMT INC	9,500	$474K	2.84%	Put
580	—GUESS INC	24,200	$474K	2.84%	Put
581	BECNUSDBEACON ROOFING SUPPLY INC	14,752	$474K	2.84%
582	LBEURL BRANDS INC	17,179	$474K	2.84%
583	—OCWEN FINL CORP	260,300	$474K	2.84%	Call
584	NHTCNATURAL HEALTH TRENDS CORP	36,460	$473K	2.84%
585	WOOFOOT LOCKER INC	7,806	$473K	2.84%
586	—ANAPLAN INC	12,000	$472K	2.83%	Call
587	—BHP GROUP PLC	9,749	$471K	2.82%
588	—ENLINK MIDSTREAM LLC	36,700	$469K	2.81%	Call
589	—KEANE GROUP INC	43,100	$469K	2.81%	Put
590	NTLAINTELLIA THERAPEUTICS INC	27,400	$468K	2.81%	Call
591	NMRKNEWMARK GROUP INC	56,006	$467K	2.80%
592	—ENTERCOM COMMUNICATIONS CORP	88,908	$467K	2.80%
593	—MGIC INVT CORP WIS	35,400	$467K	2.80%	Put
594	—BARNES & NOBLE INC	85,600	$465K	2.79%	Call
595	—NII HLDGS INC	237,000	$465K	2.79%	Call
596	GFIGOLD FIELDS LTD NEW	124,700	$465K	2.79%	Call
597	MXMAGNACHIP SEMICONDUCTOR CORP	62,697	$464K	2.78%
598	—LAUDER ESTEE COS INC	2,800	$464K	2.78%	Put
599	—KANSAS CITY SOUTHERN	4,000	$464K	2.78%	Put
600	—TRAVELPORT WORLDWIDE LTD	29,518	$464K	2.78%

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