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
1301	—INVENSENSE INC	105,000	$882K	12.45%	Put
1302	OREALTY INCOME CORP	14,100	$881K	12.44%	Put
1303	GPIGROUP 1 AUTOMOTIVE INC	15,000	$880K	12.42%	Put
1304	—MEDICINES CO	27,700	$880K	12.42%	Put
1305	IDCCINTERDIGITAL INC	15,800	$879K	12.41%	Call
1306	SASEABRIDGE GOLD INC	80,100	$878K	12.40%	Call
1307	—MERRIMACK PHARMACEUTICALS IN	104,900	$878K	12.40%	Call
1308	MXIMMAXIM INTEGRATED PRODS INC	23,837	$877K	12.38%
1309	HALOHALOZYME THERAPEUTICS INC	92,600	$877K	12.38%	Call
1310	—ARRAY BIOPHARMA INC	297,100	$876K	12.37%	Call
1311	LNWOSCIENTIFIC GAMES CORP	92,844	$876K	12.37%
1312	FROFRONTLINE LTD	104,700	$876K	12.37%	Put
1313	VTRVENTAS INC	13,900	$875K	12.35%	Put
1314	—TEXAS INSTRS INC	15,200	$873K	12.33%	Call
1315	—TALLGRASS ENERGY GP LP	47,200	$872K	12.31%	Put
1316	—PINNACLE FOODS INC DEL	19,500	$871K	12.30%	Call
1317	GTGOODYEAR TIRE & RUBR CO	26,400	$871K	12.30%	Call
1318	OMEROMEROS CORP	56,700	$870K	12.28%	Put
1319	—CALATLANTIC GROUP INC	25,800	$862K	12.17%	Put
1320	—KERYX BIOPHARMACEUTICALS INC	184,178	$860K	12.14%
1321	—ONEOK PARTNERS LP	27,400	$860K	12.14%	Put
1322	GNWGENWORTH FINL INC	314,200	$858K	12.11%	Call
1323	—INSYS THERAPEUTICS INC NEW	53,600	$857K	12.10%	Call
1324	AAGILENT TECHNOLOGIES INC	21,500	$857K	12.10%	Call
1325	KSSKOHLS CORP	18,300	$853K	12.04%	Call
1326	—KONGZHONG CORP	118,700	$852K	12.03%	Put
1327	—ACORDA THERAPEUTICS INC	32,100	$849K	11.99%	Put
1328	OLNOLIN CORP	48,900	$849K	11.99%	Put
1329	—SHIP FINANCE INTERNATIONAL L	61,100	$849K	11.99%	Put
1330	GBYSANGAMO BIOSCIENCES INC	140,373	$849K	11.99%
1331	SUNSUNOCO LP	25,600	$848K	11.97%	Put
1332	FLOFLOWERS FOODS INC	45,900	$847K	11.96%	Put
1333	PHMPULTE GROUP INC	45,279	$847K	11.96%
1334	FEYECHFFIREEYE INC	47,025	$846K	11.94%
1335	BYDBOYD GAMING CORP	40,900	$845K	11.93%	Call
1336	BXUSDBLACKSTONE GROUP L P	30,135	$845K	11.93%
1337	—INOVIO PHARMACEUTICALS INC	96,900	$844K	11.92%	Put
1338	MXMAGNACHIP SEMICONDUCTOR CORP	155,220	$844K	11.92%
1339	—CORMEDIX INC	318,216	$843K	11.90%
1340	FLRFLUOR CORP NEW	15,700	$843K	11.90%	Put
1341	AETAETNA INC NEW	7,483	$841K	11.87%
1342	—AFFYMETRIX INC	59,800	$838K	11.83%	Put
1343	—JA SOLAR HOLDINGS CO LTD	97,100	$836K	11.80%	Call
1344	HSTHOST HOTELS & RESORTS INC	50,000	$835K	11.79%	Call
1345	VODVODAFONE GROUP PLC NEW	26,039	$835K	11.79%
1346	SABRSABRE CORP	28,800	$833K	11.76%	Call
1347	PWRQUANTA SVCS INC	36,900	$832K	11.75%	Put
1348	DHID R HORTON INC	27,500	$831K	11.73%	Call
1349	JACKJACK IN THE BOX INC	13,000	$830K	11.72%	Put
1350	—MACYS INC	18,800	$829K	11.70%	Call
1351	—CREDIT SUISSE GROUP	58,600	$828K	11.69%	Put
1352	OLEDUNIVERSAL DISPLAY CORP	15,300	$828K	11.69%	Put
1353	—BLUCORA INC	160,300	$827K	11.68%	Call
1354	—WHITING PETE CORP NEW	103,622	$827K	11.68%
1355	—COACH INC	20,600	$826K	11.66%	Put
1356	—PROTHENA CORP PLC	20,000	$823K	11.62%	Call
1357	NDAQNASDAQ INC	12,400	$823K	11.62%	Put
1358	ATIALLEGHENY TECHNOLOGIES INC	50,400	$822K	11.61%	Call
1359	EDAEDAP TMS S A	204,125	$821K	11.59%
1360	—CARDTRONICS INC	22,800	$821K	11.59%	Put
1361	—MARVELL TECHNOLOGY GROUP LTD	79,300	$818K	11.55%	Call
1362	—MAXIM INTEGRATED PRODS INC	22,200	$817K	11.53%	Put
1363	—HECLA MNG CO	293,600	$816K	11.52%	Call
1364	DISCAUSDDISCOVERY COMMUNICATNS NEW	28,347	$812K	11.46%
1365	—CAESARS ENTMT CORP	119,000	$809K	11.42%	Put
1366	CQPCHENIERE ENERGY PARTNERS LP	27,900	$805K	11.37%	Call
1367	AGIOAGIOS PHARMACEUTICALS INC	19,800	$804K	11.35%	Put
1368	GSATGLOBALSTAR INC	545,500	$802K	11.32%	Put
1369	CZFSCITIZENS FINL GROUP INC	38,300	$802K	11.32%	Put
1370	TECKTECK RESOURCES LTD	105,200	$801K	11.31%	Call
1371	—PORTOLA PHARMACEUTICALS INC	39,200	$800K	11.29%	Put
1372	—ZOES KITCHEN INC	20,500	$799K	11.28%	Put
1373	—FLY LEASING LTD	62,700	$797K	11.25%	Put
1374	—CHIPMOS TECH BERMUDA LTD	45,800	$796K	11.24%	Call
1375	—NEWLINK GENETICS CORP	43,700	$795K	11.22%	Put
1376	EGOELDORADO GOLD CORP NEW	251,359	$794K	11.21%
1377	—GNC HLDGS INC	25,000	$794K	11.21%	Call
1378	—CLOVIS ONCOLOGY INC	41,200	$791K	11.17%	Put
1379	—PIER 1 IMPORTS INC	112,800	$791K	11.17%	Call
1380	—COACH INC	19,700	$790K	11.15%	Call
1381	—SEATTLE GENETICS INC	22,500	$790K	11.15%	Call
1382	—SYNERGY RES CORP	101,500	$789K	11.14%	Call
1383	—ENERGY XXI LTD	1,263,300	$787K	11.11%	Call
1384	TTWOTAKE-TWO INTERACTIVE SOFTWAR	20,900	$787K	11.11%	Call
1385	—EROS INTL PLC	68,300	$786K	11.10%	Call
1386	EAELECTRONIC ARTS INC	11,854	$784K	11.07%
1387	PACBPACIFIC BIOSCIENCES CALIF IN	92,200	$784K	11.07%	Call
1388	—CARLYLE GROUP L P	46,400	$783K	11.05%	Put
1389	—DR REDDYS LABS LTD	17,300	$782K	11.04%	Put
1390	—NUSTAR GP HOLDINGS LLC	37,700	$782K	11.04%	Call
1391	—AMERICAN EXPRESS CO	12,700	$780K	11.01%	Call
1392	—UNITED CONTL HLDGS INC	13,000	$778K	10.98%	Call
1393	—NORTHSTAR ASSET MGMT GROUP I	68,500	$777K	10.97%	Put
1394	—STILLWATER MNG CO	72,884	$776K	10.96%
1395	—IMMUNOMEDICS INC	310,300	$776K	10.96%	Call
1396	PCGPG&E CORP	13,000	$776K	10.96%	Call
1397	—SIERRA WIRELESS INC	53,300	$775K	10.94%	Call
1398	—INVENSENSE INC	92,000	$773K	10.91%	Call
1399	GPREGREEN PLAINS INC	48,400	$772K	10.90%	Put
1400	—DICKS SPORTING GOODS INC	16,500	$771K	10.88%	Call

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