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
2301	—ETFIS SER TR I	56,637	$387K	3.67%
2302	—SVB FINL GROUP	1,600	$384K	3.64%	Put
2303	TEFOFTELEFONICA S A	38,900	$384K	3.64%	Call
2304	ENBENBRIDGE INC	12,200	$384K	3.64%	Put
2305	AEMAGNICO EAGLE MINES LTD	9,100	$383K	3.64%	Call
2306	—SINCLAIR BROADCAST GROUP INC	12,200	$382K	3.63%	Put
2307	—DBV TECHNOLOGIES S A	16,500	$381K	3.62%	Put
2308	VYXNCR CORP NEW	12,100	$381K	3.62%	Put
2309	—LIONS GATE ENTMNT CORP	14,700	$380K	3.61%	Call
2310	—LEGACY RESVS LP	80,700	$380K	3.61%	Put
2311	—WASHINGTON PRIME GROUP NEW	56,900	$380K	3.61%	Put
2312	—BITAUTO HLDGS LTD	17,900	$379K	3.60%	Call
2313	—NRG YIELD INC	23,000	$378K	3.59%	Call
2314	—IRON MTN INC NEW	11,500	$378K	3.59%	Call
2315	—TRANSENTERIX INC	221,900	$377K	3.58%	Call
2316	GNWGENWORTH FINL INC	133,228	$377K	3.58%
2317	CAMPEURCALAMP CORP	16,415	$376K	3.57%
2318	—MICHAEL KORS HLDGS LTD	6,063	$376K	3.57%
2319	MEDMEDIFAST INC	4,000	$374K	3.55%	Put
2320	—ROYAL BK SCOTLAND GROUP PLC	50,600	$374K	3.55%	Call
2321	—ELDORADO GOLD CORP NEW	444,700	$374K	3.55%	Call
2322	ASIXADVANSIX INC	10,600	$369K	3.50%	Put
2323	LAURLAUREATE EDUCATION INC	26,800	$369K	3.50%	Call
2324	AEISADVANCED ENERGY INDS	5,754	$368K	3.49%
2325	—HAWAIIAN HOLDINGS INC	9,500	$368K	3.49%	Call
2326	—VITAMIN SHOPPE INC	84,700	$368K	3.49%	Put
2327	LEGLEGGETT & PLATT INC	8,300	$368K	3.49%	Call
2328	—SORRENTO THERAPEUTICS INC	71,200	$367K	3.48%	Put
2329	EVCENTRAVISION COMMUNICATIONS C	78,000	$367K	3.48%	Put
2330	—NEPTUNE TECHNOLOGIES BIORESO	130,100	$366K	3.47%	Put
2331	AVXLANAVEX LIFE SCIENCES CORP	132,398	$365K	3.46%
2332	MOHMOLINA HEALTHCARE INC	4,500	$365K	3.46%	Put
2333	EXTREXTREME NETWORKS INC	32,900	$364K	3.46%	Call
2334	AEISADVANCED ENERGY INDS	5,700	$364K	3.46%	Put
2335	—ZOES KITCHEN INC	25,200	$364K	3.46%	Call
2336	CRICARTER INC	3,500	$364K	3.46%	Put
2337	GPOR1EURGULFPORT ENERGY CORP	37,610	$363K	3.45%
2338	—FAIRMOUNT SANTROL HLDGS INC	85,500	$363K	3.45%	Call
2339	LPGDORIAN LPG LTD	48,400	$363K	3.45%	Call
2340	REIRING ENERGY INC	25,200	$362K	3.44%	Call
2341	GGALGRUPO FINANCIERO GALICIA S A	5,500	$362K	3.44%	Call
2342	—NIC INC	27,200	$362K	3.44%	Put
2343	EATBRINKER INTL INC	10,037	$362K	3.44%
2344	—SPX CORP	11,100	$361K	3.43%	Put
2345	HBANHUNTINGTON BANCSHARES INC	23,900	$361K	3.43%	Call
2346	—DISCOVER FINL SVCS	5,000	$360K	3.42%	Put
2347	—MATCH GROUP INC	8,100	$360K	3.42%	Put
2348	—BALLARD PWR SYS INC NEW	101,300	$360K	3.42%	Put
2349	FMCF M C CORP	4,700	$360K	3.42%	Call
2350	—NEOS THERAPEUTICS INC	43,300	$359K	3.41%	Put
2351	—TRANSENTERIX INC	211,200	$359K	3.41%	Put
2352	NATNORDIC AMERICAN TANKERS LIMI	185,200	$359K	3.41%	Call
2353	FANHFANHUA INC	13,229	$357K	3.39%
2354	RGRSTURM RUGER & CO INC	6,800	$357K	3.39%	Put
2355	ABJAABB LTD	15,015	$356K	3.38%
2356	—AGNC INVT CORP	18,800	$356K	3.38%	Call
2357	—FUELCELL ENERGY INC	205,500	$356K	3.38%	Call
2358	ACMAECOM	10,000	$356K	3.38%	Call
2359	ODPEUROFFICE DEPOT INC	165,016	$355K	3.37%
2360	—FANG HLDGS LTD	68,700	$353K	3.35%	Put
2361	ZNGAEURZYNGA INC	96,426	$353K	3.35%
2362	CHDCHURCH & DWIGHT INC	7,000	$353K	3.35%	Call
2363	—SERVICESOURCE INTL INC	92,700	$353K	3.35%	Call
2364	—PENNSYLVANIA RL ESTATE INVT	36,600	$353K	3.35%	Call
2365	—LITHIA MTRS INC	3,500	$352K	3.34%	Call
2366	PWRQUANTA SVCS INC	10,256	$352K	3.34%
2367	DQDAQO NEW ENERGY CORP	7,200	$352K	3.34%	Call
2368	—LA JOLLA PHARMACEUTICAL CO	11,800	$351K	3.33%	Put
2369	CCICROWN CASTLE INTL CORP NEW	3,200	$351K	3.33%	Put
2370	—LINE CORP	9,000	$351K	3.33%	Call
2371	—NATIONAL OILWELL VARCO INC	9,500	$350K	3.32%	Put
2372	—APACHE CORP	9,100	$350K	3.32%	Call
2373	FSLRFIRST SOLAR INC	4,924	$350K	3.32%
2374	TTS1EURTILE SHOP HLDGS INC	58,128	$349K	3.31%
2375	—MUELLER WTR PRODS INC	32,100	$349K	3.31%	Call
2376	MURMURPHY OIL CORP	13,511	$349K	3.31%
2377	—AXOVANT SCIENCES LTD	262,745	$349K	3.31%
2378	—PHOENIX NEW MEDIA LTD	80,208	$349K	3.31%
2379	PPCPILGRIMS PRIDE CORP NEW	14,200	$349K	3.31%	Put
2380	—ABEONA THERAPEUTICS INC	24,300	$349K	3.31%	Put
2381	VACMARRIOTT VACATIONS WRLDWDE C	2,616	$348K	3.30%
2382	—TAUBMAN CTRS INC	6,100	$347K	3.29%	Call
2383	—TC PIPELINES LP	10,000	$347K	3.29%	Put
2384	—NUSTAR GP HOLDINGS LLC	30,000	$347K	3.29%	Put
2385	—CLEARSIDE BIOMEDICAL INC	32,300	$347K	3.29%	Call
2386	—GREENHILL & CO INC	18,600	$344K	3.27%	Call
2387	GRUBGRUBHUB INC	3,392	$344K	3.27%
2388	ACIWACI WORLDWIDE INC	14,500	$344K	3.27%	Call
2389	PBTPERMIAN BASIN RTY TR	35,600	$344K	3.27%	Call
2390	—RUTHS HOSPITALITY GROUP INC	14,000	$342K	3.25%	Call
2391	—MCDERMOTT INTL INC	56,100	$342K	3.25%	Put
2392	CRKCOMSTOCK RES INC	46,600	$341K	3.24%	Put
2393	—GTT COMMUNICATIONS INC	6,000	$340K	3.23%	Put
2394	—SUNTRUST BKS INC	5,000	$340K	3.23%	Put
2395	PKXPOSCO	4,300	$339K	3.22%	Put
2396	MXMAGNACHIP SEMICONDUCTOR CORP	35,110	$337K	3.20%
2397	VCYTVERACYTE INC	60,700	$337K	3.20%	Put
2398	—MICRO FOCUS INTERNATIONAL PL	23,950	$336K	3.19%
2399	ARCPEURVEREIT INC	48,263	$336K	3.19%
2400	—RIGEL PHARMACEUTICALS INC	94,500	$335K	3.18%	Call

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