GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1M

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#	Stock	Shares	Value	% Portfolio	Type
3201	LBRDALIBERTY BROADBAND CORP	1,000	$58K	0.82%	Put
3202	PGPROCTER & GAMBLE CO	700	$58K	0.82%	Put
3203	—SEADRILL PARTNERS LLC	16,800	$58K	0.82%	Call
3204	—SILVER BAY RLTY TR CORP	3,897	$58K	0.82%
3205	AWIARMSTRONG WORLD INDS INC NEW	1,200	$58K	0.82%
3206	KLACKLA-TENCOR CORP	800	$58K	0.82%	Call
3207	CDNSCADENCE DESIGN SYSTEM INC	2,479	$58K	0.82%
3208	AWIARMSTRONG WORLD INDS INC NEW	1,200	$58K	0.82%	Put
3209	—SUMMIT MIDSTREAM PARTNERS LP	3,400	$58K	0.82%	Put
3210	—AIRMEDIA GROUP INC	10,400	$58K	0.82%	Put
3211	HTDCORCEPT THERAPEUTICS INC	12,304	$58K	0.82%
3212	PAYCPAYCOM SOFTWARE INC	1,600	$57K	0.80%	Put
3213	—ENBRIDGE ENERGY PARTNERS L P	3,100	$57K	0.80%	Put
3214	GPIGROUP 1 AUTOMOTIVE INC	969	$57K	0.80%
3215	AMXAMERICA MOVIL SAB DE CV	3,700	$57K	0.80%	Call
3216	CLDNEUREIGER BIOPHARMACEUTICALS INC	3,378	$57K	0.80%
3217	—DUPONT FABROS TECHNOLOGY INC	1,400	$57K	0.80%	Call
3218	—MICROSEMI CORP	1,500	$57K	0.80%	Call
3219	—PATTERN ENERGY GROUP INC	3,000	$57K	0.80%	Put
3220	INSMINSMED INC	4,400	$56K	0.79%	Put
3221	KBRKBR INC	3,600	$56K	0.79%	Put
3222	SWCHFSIERRA WIRELESS INC	3,868	$56K	0.79%
3223	—AEGERION PHARMACEUTICALS INC	15,100	$56K	0.79%	Call
3224	—XOMA CORP DEL	73,000	$56K	0.79%	Put
3225	MHOM/I HOMES INC	3,000	$56K	0.79%	Put
3226	VIAVVIAVI SOLUTIONS INC	8,208	$56K	0.79%
3227	—ALCOBRA LTD	14,700	$56K	0.79%	Call
3228	MATXMATSON INC	1,400	$56K	0.79%	Call
3229	—INVESCO MORTGAGE CAPITAL INC	4,600	$56K	0.79%	Put
3230	—XENOPORT INC	12,500	$56K	0.79%	Put
3231	JBLUJETBLUE AIRWAYS CORP	2,608	$55K	0.78%
3232	VUZIVUZIX CORP	10,300	$55K	0.78%	Put
3233	TVGRUPO TELEVISA SA	2,000	$55K	0.78%	Call
3234	TBPHTHERAVANCE BIOPHARMA INC	2,912	$55K	0.78%
3235	CHDCHURCH & DWIGHT INC	600	$55K	0.78%	Call
3236	—OCLARO INC	10,100	$55K	0.78%	Put
3237	URBNURBAN OUTFITTERS INC	1,656	$55K	0.78%
3238	—BANKRATE INC DEL	6,000	$55K	0.78%	Put
3239	—AEROVIRONMENT INC	1,900	$54K	0.76%	Call
3240	—COTT CORP QUE	3,894	$54K	0.76%
3241	GWREGUIDEWIRE SOFTWARE INC	1,000	$54K	0.76%	Call
3242	MHLAMAIDEN HOLDINGS LTD	4,200	$54K	0.76%	Put
3243	CD8CRESUD S A C I F Y A	4,642	$54K	0.76%
3244	—ZENDESK INC	2,600	$54K	0.76%	Call
3245	—ASPEN TECHNOLOGY INC	1,500	$54K	0.76%	Put
3246	—TELIGENT INC NEW	11,100	$54K	0.76%	Call
3247	WPRTWESTPORT INNOVATIONS INC	20,861	$54K	0.76%
3248	—CSRA INC	2,000	$54K	0.76%	Call
3249	—ASANKO GOLD INC	25,400	$54K	0.76%	Put
3250	—SUNESIS PHARMACEUTICALS INC	97,913	$53K	0.75%
3251	MTSIMA COM TECHNOLOGY SOLUTIONS	1,200	$53K	0.75%	Call
3252	—SPIRIT AIRLS INC	1,100	$53K	0.75%	Put
3253	—GASTAR EXPL INC NEW	48,600	$53K	0.75%	Put
3254	—VASCO DATA SEC INTL INC	3,434	$53K	0.75%
3255	GBTUSDGLOBAL BLOOD THERAPEUTICS IN	3,369	$53K	0.75%
3256	—HOLLYFRONTIER CORP	1,500	$53K	0.75%	Call
3257	CREECREE INC	1,820	$53K	0.75%
3258	—HD SUPPLY HLDGS INC	1,600	$53K	0.75%	Call
3259	ABUSARBUTUS BIOPHARMA CORP	12,800	$53K	0.75%	Call
3260	—DELPHI AUTOMOTIVE PLC	700	$53K	0.75%	Put
3261	MFCMANULIFE FINL CORP	3,700	$52K	0.73%	Put
3262	ARCCARES CAP CORP	3,500	$52K	0.73%	Call
3263	—ZELTIQ AESTHETICS INC	1,921	$52K	0.73%
3264	—OPOWER INC	7,605	$52K	0.73%
3265	—FIVE OAKS INVT CORP	9,300	$52K	0.73%	Call
3266	—DUKE REALTY CORP	2,300	$52K	0.73%	Call
3267	CDZICADIZ INC	10,000	$52K	0.73%	Call
3268	—E TRADE FINANCIAL CORP	2,100	$51K	0.72%	Call
3269	—TAL INTL GROUP INC	3,300	$51K	0.72%	Call
3270	VCELVERICEL CORP	8,784	$51K	0.72%
3271	—ENABLE MIDSTREAM PARTNERS LP	6,000	$51K	0.72%	Call
3272	LOCOEL POLLO LOCO HLDGS INC	3,800	$51K	0.72%	Call
3273	ERFGBPENERPLUS CORP	12,951	$51K	0.72%
3274	TLNTALEN ENERGY CORP	5,557	$50K	0.71%
3275	—ABIOMED INC	528	$50K	0.71%
3276	CGCARLYLE GROUP L P	2,933	$50K	0.71%
3277	FRCBFIRST REP BK SAN FRANCISCO C	745	$50K	0.71%
3278	NEOGNEOGEN CORP	1,000	$50K	0.71%	Put
3279	PENNPENN NATL GAMING INC	3,000	$50K	0.71%	Put
3280	GMEDGLOBUS MED INC	2,100	$50K	0.71%
3281	RITMNEW RESIDENTIAL INVT CORP	4,300	$50K	0.71%	Put
3282	—BOARDWALK PIPELINE PARTNERS	3,400	$50K	0.71%	Put
3283	—BREITBURN ENERGY PARTNERS LP	87,700	$49K	0.69%	Call
3284	—IXIA	3,900	$49K	0.69%	Call
3285	—QIWI PLC	3,400	$49K	0.69%	Put
3286	ENRENERGIZER HLDGS INC NEW	1,200	$49K	0.69%	Call
3287	KTOSKRATOS DEFENSE & SEC SOLUTIO	9,826	$49K	0.69%
3288	PTENPATTERSON UTI ENERGY INC	2,800	$49K	0.69%	Put
3289	—KAPSTONE PAPER & PACKAGING C	3,542	$49K	0.69%
3290	TASTUSDCARROLS RESTAURANT GROUP INC	3,400	$49K	0.69%
3291	—RICHMONT MINES INC	8,500	$48K	0.68%	Call
3292	—ENDOCYTE INC	15,500	$48K	0.68%	Put
3293	—SCICLONE PHARMACEUTICALS INC	4,400	$48K	0.68%	Put
3294	—PROOFPOINT INC	900	$48K	0.68%	Call
3295	PBTPERMIAN BASIN RTY TR	7,800	$48K	0.68%	Call
3296	—MONSTER WORLDWIDE INC	14,700	$48K	0.68%	Put
3297	—TEEKAY LNG PARTNERS L P	3,809	$48K	0.68%
3298	CIGCOMPANHIA ENERGETICA DE MINA	21,300	$48K	0.68%
3299	—SEQUENOM INC	34,200	$48K	0.68%	Put
3300	RDNTRADNET INC	10,000	$48K	0.68%	Put

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