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
1301	—SPECTRUM BRANDS HLDGS INC	13,000	$1.3M	12.80%	Put
1302	VOCVOC ENERGY TR	330,600	$1.3M	12.78%	Put
1303	DHID R HORTON INC	30,694	$1.3M	12.78%
1304	PBIPITNEY BOWES INC	123,400	$1.3M	12.76%	Call
1305	—CALLON PETE CO DEL	101,400	$1.3M	12.75%	Call
1306	—BED BATH & BEYOND INC	63,900	$1.3M	12.73%	Call
1307	HIMXHIMAX TECHNOLOGIES INC	217,364	$1.3M	12.71%
1308	—GRUBHUB INC	13,200	$1.3M	12.71%	Put
1309	—BP PRUDHOE BAY RTY TR	55,800	$1.3M	12.66%	Put
1310	—CLOROX CO DEL	10,000	$1.3M	12.63%	Put
1311	TYLTYLER TECHNOLOGIES INC	6,300	$1.3M	12.61%	Call
1312	LLYLILLY ELI & CO	17,178	$1.3M	12.61%
1313	BOXDROPBOX INC	42,500	$1.3M	12.61%	Put
1314	—CF INDS HLDGS INC	35,200	$1.3M	12.61%	Call
1315	KNXKNIGHT SWIFT TRANSN HLDGS IN	28,800	$1.3M	12.58%	Call
1316	—CAMECO CORP	145,700	$1.3M	12.57%	Put
1317	FDCFIRST DATA CORP NEW	82,616	$1.3M	12.55%
1318	—JUNIPER NETWORKS INC	54,300	$1.3M	12.54%	Call
1319	MNKDMANNKIND CORP	579,000	$1.3M	12.53%	Put
1320	EBAYEBAY INC	32,800	$1.3M	12.53%	Call
1321	—BMC STK HLDGS INC	67,500	$1.3M	12.53%	Put
1322	MURMURPHY OIL CORP	50,900	$1.3M	12.48%	Put
1323	SGMOSANGAMO THERAPEUTICS INC	69,200	$1.3M	12.48%	Call
1324	4I1PHILIP MORRIS INTL INC	13,189	$1.3M	12.44%
1325	—MCEWEN MNG INC	629,786	$1.3M	12.43%
1326	PLNTPLANET FITNESS INC	34,600	$1.3M	12.41%	Call
1327	IMAXIMAX CORP	68,000	$1.3M	12.40%	Call
1328	—HORIZON PHARMA PLC	91,869	$1.3M	12.39%
1329	—EXPEDITORS INTL WASH INC	20,600	$1.3M	12.38%	Call
1330	MCDMCDONALDS CORP	8,326	$1.3M	12.36%
1331	—PAPA JOHNS INTL INC	22,700	$1.3M	12.35%	Put
1332	NLYANNALY CAP MGMT INC	124,600	$1.3M	12.34%	Put
1333	—INSYS THERAPEUTICS INC NEW	214,600	$1.3M	12.30%	Call
1334	BAXBAXTER INTL INC	19,900	$1.3M	12.28%	Call
1335	—CAVIUM INC	16,300	$1.3M	12.28%	Put
1336	ALKSALKERMES PLC	22,300	$1.3M	12.27%	Put
1337	AEMAGNICO EAGLE MINES LTD	30,700	$1.3M	12.26%	Put
1338	RACEFERRARI N V	10,700	$1.3M	12.24%	Call
1339	AGOASSURED GUARANTY LTD	35,500	$1.3M	12.20%	Put
1340	—TEEKAY OFFSHORE PARTNERS L P	565,800	$1.3M	12.19%	Put
1341	PHPARKER HANNIFIN CORP	7,500	$1.3M	12.18%	Put
1342	—ULTRA PETROLEUM CORP	306,500	$1.3M	12.13%	Call
1343	TECKTECK RESOURCES LTD	49,600	$1.3M	12.13%	Call
1344	—NEONODE INC	30,300	$1.3M	12.12%	Call
1345	—PATTERSON COMPANIES INC	57,400	$1.3M	12.11%	Put
1346	AMRNAMARIN CORP PLC	423,898	$1.3M	12.11%
1347	PRGOPERRIGO CO PLC	15,300	$1.3M	12.10%	Call
1348	TXRHTEXAS ROADHOUSE INC	22,000	$1.3M	12.06%	Call
1349	—EAGLE PHARMACEUTICALS INC	24,100	$1.3M	12.05%	Call
1350	AZNASTRAZENECA PLC	36,200	$1.3M	12.02%	Put
1351	CARSCARS COM INC	44,659	$1.3M	12.01%
1352	—CONTROL4 CORP	58,900	$1.3M	12.01%	Call
1353	—LANNET INC	78,600	$1.3M	11.98%	Call
1354	9990302DAPACHE CORP	32,684	$1.3M	11.94%
1355	—TJX COS INC NEW	15,400	$1.3M	11.92%	Call
1356	TSEMTOWER SEMICONDUCTOR LTD	46,573	$1.3M	11.89%
1357	—NABORS INDUSTRIES LTD	179,300	$1.3M	11.89%	Put
1358	—FIBROGEN INC	27,100	$1.3M	11.88%	Put
1359	TPDTEMPUR SEALY INTL INC	27,632	$1.3M	11.87%
1360	MATMATTEL INC	94,900	$1.2M	11.85%	Call
1361	—AVON PRODS INC	439,100	$1.2M	11.84%	Put
1362	ECLECOLAB INC	9,100	$1.2M	11.84%	Put
1363	—FIRST DATA CORP NEW	77,800	$1.2M	11.82%	Put
1364	CMCCOMMERCIAL METALS CO	60,700	$1.2M	11.79%	Call
1365	NFXNEWFIELD EXPL CO	50,759	$1.2M	11.77%
1366	—CARRIZO OIL & GAS INC	77,300	$1.2M	11.74%	Call
1367	HRBBLOCK H & R INC	48,700	$1.2M	11.74%	Call
1368	—PROGENICS PHARMACEUTICALS IN	165,700	$1.2M	11.73%	Call
1369	—QEP RES INC	126,100	$1.2M	11.72%	Call
1370	—RESOLUTE ENERGY CORP	35,600	$1.2M	11.71%	Put
1371	—DEPOMED INC	187,200	$1.2M	11.71%	Call
1372	ALXNALEXION PHARMACEUTICALS INC	11,074	$1.2M	11.71%
1373	—U S G CORP	30,500	$1.2M	11.70%	Call
1374	WPMWHEATON PRECIOUS METALS CORP	60,433	$1.2M	11.68%
1375	—AERIE PHARMACEUTICALS INC	22,700	$1.2M	11.68%	Call
1376	ARANTERO RES CORP	61,900	$1.2M	11.67%	Call
1377	PAAPLAINS ALL AMERN PIPELINE L	55,642	$1.2M	11.64%
1378	—CALLAWAY GOLF CO	74,900	$1.2M	11.63%	Call
1379	TSMTAIWAN SEMICONDUCTOR MFG LTD	27,800	$1.2M	11.55%	Put
1380	WWAYFAIR INC	18,000	$1.2M	11.54%	Call
1381	—AETERNA ZENTARIS INC	8,300	$1.2M	11.50%	Call
1382	—HOLLYFRONTIER CORP	24,800	$1.2M	11.50%	Put
1383	NBRNABORS INDUSTRIES LTD	173,275	$1.2M	11.49%
1384	—BELMOND LTD	108,477	$1.2M	11.49%
1385	OREALTY INCOME CORP	23,400	$1.2M	11.49%	Put
1386	DARDARLING INGREDIENTS INC	69,800	$1.2M	11.47%	Call
1387	JAZZJAZZ PHARMACEUTICALS PLC	8,000	$1.2M	11.47%	Call
1388	—ZOGENIX INC	30,100	$1.2M	11.45%	Call
1389	CXCEMEX SAB DE CV	181,925	$1.2M	11.43%
1390	—ACORDA THERAPEUTICS INC	50,900	$1.2M	11.43%	Put
1391	—XEROX CORP	41,800	$1.2M	11.42%	Call
1392	MDBMONGODB INC	27,571	$1.2M	11.36%
1393	BTUPEABODY ENERGY CORP NEW	32,800	$1.2M	11.36%	Put
1394	—NOVAVAX INC	568,900	$1.2M	11.34%	Put
1395	—BRITISH AMERN TOB PLC	20,700	$1.2M	11.33%	Call
1396	ECECOPETROL S A	61,700	$1.2M	11.32%	Call
1397	RITMNEW RESIDENTIAL INVT CORP	72,400	$1.2M	11.30%	Put
1398	—CHANGYOU COM LTD	42,700	$1.2M	11.30%	Put
1399	—ELDORADO RESORTS INC	36,000	$1.2M	11.28%	Call
1400	SUSUNCOR ENERGY INC NEW	34,400	$1.2M	11.28%	Put

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