GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2M

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#	Stock	Shares	Value	% Portfolio	Type
3401	—SIX FLAGS ENTMT CORP NEW	1,300	$87K	0.61%	Put
3402	—ENDURANCE INTL GROUP HLDGS I	10,401	$87K	0.61%
3403	ARLPALLIANCE RES PARTNER L P	4,410	$87K	0.61%
3404	SNNSMITH & NEPHEW PLC	2,471	$87K	0.61%
3405	—ATHERSYS INC	47,431	$86K	0.60%
3406	—ZION OIL & GAS INC	39,800	$86K	0.60%	Call
3407	EMBJEMBRAER S A	3,600	$86K	0.60%	Call
3408	UHSUNIVERSAL HLTH SVCS INC	758	$86K	0.60%
3409	VYGRVOYAGER THERAPEUTICS INC	5,200	$86K	0.60%	Put
3410	—TICC CAPITAL CORP	15,000	$86K	0.60%
3411	CVA1EURCOVANTA HLDG CORP	5,104	$86K	0.60%
3412	CNKCINEMARK HOLDINGS INC	2,451	$85K	0.60%
3413	—UTSTARCOM HOLDINGS CORP	15,100	$85K	0.60%	Call
3414	—PROTALIX BIOTHERAPEUTICS INC	128,100	$85K	0.60%	Call
3415	—ANTHERA PHARMACEUTICALS INC	51,600	$85K	0.60%	Call
3416	TXTTEXTRON INC	1,500	$85K	0.60%	Put
3417	BTEBAYTEX ENERGY CORP	28,400	$85K	0.60%	Call
3418	—OHR PHARMACEUTICAL INC	44,900	$84K	0.59%	Call
3419	—BLUCORA INC	3,800	$84K	0.59%	Put
3420	NVSNOVARTIS A G	1,000	$84K	0.59%	Put
3421	ROKROCKWELL AUTOMATION INC	427	$84K	0.59%
3422	—NATUS MEDICAL INC DEL	2,200	$84K	0.59%	Put
3423	DNOWNOW INC	7,607	$84K	0.59%
3424	DARDARLING INGREDIENTS INC	4,610	$84K	0.59%
3425	—CONATUS PHARMACEUTICALS INC	18,100	$84K	0.59%	Call
3426	—AARONS INC	2,100	$84K	0.59%	Put
3427	SPPIUSDSPECTRUM PHARMACEUTICALS INC	4,375	$83K	0.58%
3428	MPTMEDICAL PPTYS TRUST INC	6,029	$83K	0.58%
3429	—WESTMORELAND COAL CO	68,800	$83K	0.58%	Call
3430	—CVR PARTNERS LP	25,400	$83K	0.58%	Call
3431	ALSALLSTATE CORP	790	$83K	0.58%
3432	—SIBANYE STILLWATER	16,400	$83K	0.58%	Call
3433	—BLUEPRINT MEDICINES CORP	1,100	$83K	0.58%	Put
3434	—ALDER BIOPHARMACEUTICALS INC	7,277	$83K	0.58%
3435	LVSLAS VEGAS SANDS CORP	1,200	$83K	0.58%	Call
3436	OCULOCULAR THERAPEUTIX INC	18,700	$83K	0.58%	Call
3437	—PDC ENERGY INC	1,600	$82K	0.58%	Call
3438	—ECLIPSE RES CORP	34,225	$82K	0.58%
3439	—LEUCADIA NATL CORP	3,100	$82K	0.58%	Put
3440	CAKECHEESECAKE FACTORY INC	1,700	$82K	0.58%	Call
3441	CRICARTER INC	700	$82K	0.58%	Call
3442	PPCPILGRIMS PRIDE CORP NEW	2,634	$82K	0.58%
3443	YB4PSAVARA INC	5,492	$82K	0.58%
3444	CNDTCONDUENT INC	5,000	$81K	0.57%	Call
3445	LPXLOUISIANA PAC CORP	3,100	$81K	0.57%	Put
3446	—AEGEAN MARINE PETROLEUM NETW	18,800	$81K	0.57%	Call
3447	—SYROS PHARMACEUTICALS INC	8,300	$81K	0.57%
3448	—AGROFRESH SOLUTIONS	11,000	$81K	0.57%	Call
3449	—HELIOS & MATHESON ANALYTICS	12,800	$81K	0.57%	Put
3450	GTYGETTY RLTY CORP NEW	3,000	$81K	0.57%	Call
3451	—QUOTIENT TECHNOLOGY INC	6,800	$80K	0.56%	Put
3452	—BRAINSTORM CELL THERAPEUTICS	20,300	$80K	0.56%	Call
3453	ENOVCOLFAX CORP	2,020	$80K	0.56%
3454	—ALIMERA SCIENCES INC	600	$80K	0.56%	Call
3455	—MYOKARDIA INC	1,900	$80K	0.56%
3456	—YRC WORLDWIDE INC	5,597	$80K	0.56%
3457	AZTABROOKS AUTOMATION INC	3,300	$79K	0.56%	Call
3458	—AQUA METALS INC	37,300	$79K	0.56%	Put
3459	TRMBTRIMBLE INC	1,956	$79K	0.56%
3460	ALAIR LEASE CORP	1,633	$79K	0.56%
3461	—CAPITAL PRODUCT PARTNERS L P	23,500	$79K	0.56%	Call
3462	SPWRQSUNPOWER CORP	9,327	$79K	0.56%
3463	—ALDER BIOPHARMACEUTICALS INC	6,800	$78K	0.55%	Put
3464	PPCPILGRIMS PRIDE CORP NEW	2,500	$78K	0.55%	Put
3465	ATHMAUTOHOME INC	1,200	$78K	0.55%	Call
3466	—GASLOG LTD	3,500	$78K	0.55%	Call
3467	CRTOCRITEO S A	3,000	$78K	0.55%	Call
3468	GKOSGLAUKOS CORP	3,000	$77K	0.54%	Call
3469	PUMPPROPETRO HLDG CORP	3,800	$77K	0.54%
3470	WNCWABASH NATL CORP	3,548	$77K	0.54%
3471	VSHVISHAY INTERTECHNOLOGY INC	3,700	$77K	0.54%
3472	—ABLYNX NV	3,100	$77K	0.54%	Call
3473	BWABORGWARNER INC	1,500	$77K	0.54%	Call
3474	LNCLINCOLN NATL CORP IND	1,000	$77K	0.54%	Put
3475	MGPIMGP INGREDIENTS INC NEW	1,000	$77K	0.54%	Call
3476	—HORNBECK OFFSHORE SVCS INC N	24,700	$77K	0.54%	Call
3477	ARLPALLIANCE RES PARTNER L P	3,900	$77K	0.54%	Call
3478	—NEUROTROPE INC	11,000	$77K	0.54%	Put
3479	—MEDIDATA SOLUTIONS INC	1,200	$76K	0.53%	Call
3480	—BIG 5 SPORTING GOODS CORP	10,000	$76K	0.53%	Put
3481	—COMPANIA DE MINAS BUENAVENTU	5,400	$76K	0.53%	Call
3482	—IDERA PHARMACEUTICALS INC	36,000	$76K	0.53%	Call
3483	AXTIAXT INC	8,783	$76K	0.53%
3484	LFCUSDCHINA LIFE INS CO LTD	4,900	$76K	0.53%
3485	OTICEUROTONOMY INC	13,759	$76K	0.53%
3486	SYNASYNAPTICS INC	1,900	$76K	0.53%	Call
3487	EDAPEDAP TMS S A	26,100	$75K	0.53%	Call
3488	—ADURO BIOTECH INC	10,000	$75K	0.53%	Put
3489	CINFCINCINNATI FINL CORP	1,000	$75K	0.53%	Call
3490	BWEURBABCOCK & WILCOX ENTERPRIS I	13,203	$75K	0.53%
3491	LPSNUSDLIVEPERSON INC	6,500	$75K	0.53%
3492	HCIHCI GROUP INC	2,500	$75K	0.53%	Call
3493	—MARINUS PHARMACEUTICALS INC	9,200	$75K	0.53%	Call
3494	—SEVEN STARS CLOUD GROUP INC	16,064	$74K	0.52%
3495	MGIEURMONEYGRAM INTL INC	5,649	$74K	0.52%
3496	—FS INVT CORP	10,000	$74K	0.52%	Call
3497	—CAI INTERNATIONAL INC	2,600	$74K	0.52%
3498	TGBTASEKO MINES LTD	31,167	$73K	0.51%
3499	ACGLARCH CAP GROUP LTD	800	$73K	0.51%
3500	—FS INVT CORP	9,900	$73K	0.51%	Put

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