GROUP ONE TRADING LLC Q4 2019 Filing

Filed February 10, 2020

Portfolio Value

$14.7M

Holdings

5,086

Report Date

Q4 2019

Filing Type

13F-HR

All Holdings (5,086 positions)

#	Stock	Shares	Value	% Portfolio	Type
1201	—AVADEL PHARMACEUTICALS PLC	307,000	$2.3M	15.77%	Call
1202	BKRBAKER HUGHES COMPANY	89,900	$2.3M	15.68%	Call
1203	ECPGENCORE CAP GROUP INC	65,000	$2.3M	15.64%	Put
1204	TPRTAPESTRY INC	85,100	$2.3M	15.62%	Call
1205	LNCLINCOLN NATL CORP IND	38,900	$2.3M	15.62%	Put
1206	—WPX ENERGY INC	166,876	$2.3M	15.60%
1207	—IAC INTERACTIVECORP	9,200	$2.3M	15.60%	Call
1208	BMABANCO MACRO SA	63,200	$2.3M	15.59%	Put
1209	INFYINFOSYS LTD	222,000	$2.3M	15.59%	Put
1210	MDBMONGODB INC	17,400	$2.3M	15.58%	Call
1211	—NORDSTROM INC	55,900	$2.3M	15.57%	Call
1212	GLWCORNING INC	78,505	$2.3M	15.55%
1213	BRSLINTERNATIONAL GAME TECHNOLOG	152,500	$2.3M	15.54%	Put
1214	—HERTZ GLOBAL HLDGS INC	144,640	$2.3M	15.50%
1215	—AMPHENOL CORP NEW	21,000	$2.3M	15.47%	Put
1216	—CALLAWAY GOLF CO	106,900	$2.3M	15.42%	Put
1217	NFLXNETFLIX INC	7,000	$2.3M	15.41%	Call
1218	—CORE LABORATORIES N V	60,100	$2.3M	15.41%	Call
1219	ECPGENCORE CAP GROUP INC	63,900	$2.3M	15.38%	Call
1220	FTITECHNIPFMC PLC	105,300	$2.3M	15.37%	Put
1221	NEONEOGENOMICS INC	77,200	$2.3M	15.37%	Call
1222	ADNTADIENT PLC	106,000	$2.3M	15.33%	Call
1223	FBPFIRST BANCORP P R	212,700	$2.3M	15.33%	Put
1224	PHMPULTE GROUP INC	58,019	$2.3M	15.32%
1225	—JACOBS ENGR GROUP INC	25,000	$2.2M	15.28%	Put
1226	—VIRNETX HLDG CORP	590,800	$2.2M	15.28%	Put
1227	PAYSPAYSIGN INC	221,000	$2.2M	15.26%	Call
1228	—ACHILLION PHARMACEUTICALS IN	371,400	$2.2M	15.24%	Put
1229	VKTXVIKING THERAPEUTICS INC	279,000	$2.2M	15.23%	Call
1230	VICRVICOR CORP	47,900	$2.2M	15.23%
1231	BBBYOVERSTOCK COM INC DEL	317,500	$2.2M	15.23%	Put
1232	INTCINTEL CORP	37,200	$2.2M	15.15%	Call
1233	JAZZJAZZ PHARMACEUTICALS PLC	14,900	$2.2M	15.13%	Put
1234	NVAXNOVAVAX INC	556,000	$2.2M	15.06%	Call
1235	—RADIUS HEALTH INC	109,600	$2.2M	15.04%	Call
1236	—BIOHAVEN PHARMACTL HLDG CO L	40,600	$2.2M	15.04%	Put
1237	—FOCUS FINL PARTNERS INC	74,900	$2.2M	15.02%	Put
1238	—BERRY GLOBAL GROUP INC	46,400	$2.2M	15.00%	Call
1239	CHDNCHURCHILL DOWNS INC	16,000	$2.2M	14.94%	Call
1240	—ENDURANCE INTL GROUP HLDGS I	467,000	$2.2M	14.94%	Put
1241	—CDK GLOBAL INC	40,100	$2.2M	14.92%	Call
1242	HPEHEWLETT PACKARD ENTERPRISE C	137,800	$2.2M	14.88%	Call
1243	—ZIOPHARM ONCOLOGY INC	463,200	$2.2M	14.88%	Put
1244	KRNTKORNIT DIGITAL LTD	63,800	$2.2M	14.86%	Call
1245	BOOTBOOT BARN HLDGS INC	49,000	$2.2M	14.85%	Call
1246	MEDMEDIFAST INC	19,900	$2.2M	14.84%	Call
1247	BCBRUNSWICK CORP	36,300	$2.2M	14.82%	Call
1248	—FLEXION THERAPEUTICS INC	105,100	$2.2M	14.81%	Call
1249	—CASA SYS INC	531,900	$2.2M	14.80%	Put
1250	CVECENOVUS ENERGY INC	214,200	$2.2M	14.79%	Put
1251	TXRHTEXAS ROADHOUSE INC	38,600	$2.2M	14.79%	Put
1252	RHIRHYTHM TECHNOLOGIES INC	31,900	$2.2M	14.78%	Call
1253	HUNHUNTSMAN CORP	89,638	$2.2M	14.74%
1254	HUNHUNTSMAN CORP	89,400	$2.2M	14.70%	Call
1255	SPGIS&P GLOBAL INC	7,900	$2.2M	14.68%	Call
1256	—STARS GROUP INC	82,600	$2.2M	14.67%	Call
1257	ATHSATHENE HLDG LTD	45,821	$2.2M	14.67%
1258	KMXCARMAX INC	24,500	$2.1M	14.62%	Put
1259	UBSUBS GROUP AG	170,460	$2.1M	14.59%
1260	—CYPRESS SEMICONDUCTOR CORP	91,700	$2.1M	14.56%	Call
1261	—STARS GROUP INC	81,900	$2.1M	14.54%	Put
1262	—AMYRIS INC	690,400	$2.1M	14.52%	Call
1263	SGITEMPUR SEALY INTL INC	24,400	$2.1M	14.45%	Put
1264	—FRONT YD RESIDENTIAL CORP	172,100	$2.1M	14.45%	Put
1265	ONCBEIGENE LTD	12,800	$2.1M	14.44%	Put
1266	ALAIR LEASE CORP	44,600	$2.1M	14.42%	Put
1267	WYNNWYNN RESORTS LTD	15,200	$2.1M	14.37%	Call
1268	—ENDURANCE INTL GROUP HLDGS I	449,233	$2.1M	14.37%
1269	LSCCLATTICE SEMICONDUCTOR CORP	110,200	$2.1M	14.35%	Call
1270	KSSKOHLS CORP	41,212	$2.1M	14.29%
1271	STMSTMICROELECTR ONICS N V	77,984	$2.1M	14.28%
1272	GPREGREEN PLAINS INC	135,500	$2.1M	14.23%	Call
1273	—MARVELL TECHNOLOGY GROUP LTD	78,700	$2.1M	14.22%	Call
1274	DBAINVESCO DB MLTI SECTR CMMTY	125,800	$2.1M	14.18%	Call
1275	SPLKCHFSPLUNK INC	13,847	$2.1M	14.11%
1276	—ACACIA COMMUNICATIONS INC	30,500	$2.1M	14.07%	Put
1277	MURMURPHY OIL CORP	77,100	$2.1M	14.06%	Put
1278	KNXKNIGHT SWIFT TRANSN HLDGS IN	57,600	$2.1M	14.05%	Put
1279	DDOMINION ENERGY INC	24,900	$2.1M	14.03%	Put
1280	—SYNCHRONOSS TECHNOLOGIES INC	433,129	$2.1M	14.00%
1281	—ZOGENIX INC	39,400	$2.1M	13.98%	Call
1282	REALTHE REALREAL INC	108,900	$2.1M	13.97%	Put
1283	—INTERXION HOLDING N.V	24,500	$2.1M	13.97%	Call
1284	MDBMONGODB INC	15,600	$2.1M	13.97%	Put
1285	—LANNET INC	232,700	$2.1M	13.96%	Put
1286	UVEUNIVERSAL INS HLDGS INC	73,325	$2.1M	13.96%
1287	AU3EURANGLOGOLD ASHANTI LTD	91,785	$2.0M	13.95%
1288	HSTHOST HOTELS & RESORTS INC	110,529	$2.0M	13.95%
1289	—ATHENE HLDG LTD	43,500	$2.0M	13.92%	Call
1290	USLMUNITED STATES STL CORP NEW	178,700	$2.0M	13.88%	Call
1291	GLNGGOLAR LNG LTD BERMUDA	143,300	$2.0M	13.87%	Call
1292	HALHALLIBURTON CO	83,280	$2.0M	13.87%
1293	—BLUEPRINT MEDICINES CORP	25,400	$2.0M	13.85%	Put
1294	GHGUARDANT HEALTH INC	25,992	$2.0M	13.82%
1295	DXCDXC TECHNOLOGY CO	53,939	$2.0M	13.80%
1296	EOLSEVOLUS INC	166,400	$2.0M	13.78%	Call
1297	NVDANVIDIA CORP	8,600	$2.0M	13.77%	Put
1298	ARCCARES CAP CORP	108,400	$2.0M	13.76%	Put
1299	CMCSACOMCAST CORP NEW	44,900	$2.0M	13.74%	Call
1300	—MICRO FOCUS INTERNATIONAL PL	143,700	$2.0M	13.72%	Call

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