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
1501	GTGOODYEAR TIRE & RUBR CO	20,700	$683K	9.64%	Put
1502	BSXBOSTON SCIENTIFIC CORP	36,300	$683K	9.64%	Call
1503	NTAPNETAPP INC	25,000	$682K	9.63%	Put
1504	—MICROVISION INC DEL	364,500	$682K	9.63%	Call
1505	CSCOCISCO SYS INC	23,900	$680K	9.60%	Put
1506	—WHOLE FOODS MKT INC	21,800	$678K	9.57%	Call
1507	CQPCHENIERE ENERGY PARTNERS LP	23,400	$675K	9.53%	Put
1508	—LINEAR TECHNOLOGY CORP	15,100	$673K	9.50%	Put
1509	—TAL INTL GROUP INC	43,500	$672K	9.49%	Put
1510	RDNRADIAN GROUP INC	54,000	$670K	9.46%	Call
1511	—SILVER WHEATON CORP	40,400	$670K	9.46%	Call
1512	—MELLANOX TECHNOLOGIES LTD	12,300	$668K	9.43%	Call
1513	LEALEAR CORP	6,000	$667K	9.42%	Call
1514	—ASCENA RETAIL GROUP INC	60,188	$666K	9.40%
1515	FLOFLOWERS FOODS INC	35,900	$663K	9.36%	Call
1516	PRLBPROTO LABS INC	8,600	$663K	9.36%	Call
1517	—PIONEER NAT RES CO	4,700	$661K	9.33%	Call
1518	BLDRBUILDERS FIRSTSOURCE INC	58,486	$659K	9.30%
1519	—IAC INTERACTIVECORP	14,000	$659K	9.30%	Call
1520	—PARTY CITY HOLDCO INC	43,800	$659K	9.30%	Put
1521	—OCLARO INC	121,800	$658K	9.29%	Call
1522	—DONNELLEY R R & SONS CO	40,100	$658K	9.29%	Call
1523	—DISH NETWORK CORP	14,200	$657K	9.28%	Call
1524	CRMSALESFORCE COM INC	8,900	$657K	9.28%	Put
1525	—NORTHSTAR RLTY FIN CORP	50,092	$657K	9.28%
1526	ARANTERO RES CORP	26,400	$657K	9.28%	Call
1527	EOGEOG RES INC	9,000	$653K	9.22%	Put
1528	GRMNGARMIN LTD	16,300	$651K	9.19%	Call
1529	LRCXLAM RESEARCH CORP	7,800	$644K	9.09%	Put
1530	—ELLIS PERRY INTL INC	34,900	$643K	9.08%	Call
1531	—CIMPRESS N V	7,094	$643K	9.08%
1532	CIKCREDIT SUISSE GROUP	45,459	$642K	9.06%
1533	—LUMINEX CORP DEL	33,100	$642K	9.06%	Put
1534	—BROCADE COMMUNICATIONS SYS I	60,700	$642K	9.06%	Call
1535	TCBITEXAS CAPITAL BANCSHARES INC	16,700	$641K	9.05%	Call
1536	—MEDICINES CO	20,100	$639K	9.02%	Call
1537	PTCTPTC THERAPEUTICS INC	99,100	$638K	9.01%	Put
1538	—ZELTIQ AESTHETICS INC	23,500	$638K	9.01%	Call
1539	SNXSYNNEX CORP	6,900	$637K	8.99%	Put
1540	—TITAN PHARMACEUTICALS INC DE	133,000	$637K	8.99%	Call
1541	—SECOND SIGHT MED PRODS INC	131,900	$637K	8.99%	Call
1542	NVSNOVARTIS A G	8,800	$637K	8.99%	Call
1543	—IDREAMSKY TECHNOLOGY LIMITED	46,300	$636K	8.98%	Call
1544	IRWDIRONWOOD PHARMACEUTICALS INC	58,000	$635K	8.96%	Call
1545	PTCTPTC THERAPEUTICS INC	98,500	$634K	8.95%	Call
1546	—ATMEL CORP	78,000	$633K	8.94%	Put
1547	PEPPEPSICO INC	6,179	$633K	8.94%
1548	KGCKINROSS GOLD CORP	185,800	$632K	8.92%	Put
1549	NUSNU SKIN ENTERPRISES INC	16,500	$631K	8.91%	Call
1550	—OHR PHARMACEUTICAL INC	196,200	$630K	8.89%	Put
1551	—VANTIV INC	11,700	$630K	8.89%	Call
1552	—KCG HLDGS INC	52,700	$630K	8.89%	Put
1553	—NEONODE INC	308,400	$629K	8.88%	Call
1554	RGRSTURM RUGER & CO INC	9,200	$629K	8.88%	Put
1555	CNOCNO FINL GROUP INC	35,000	$627K	8.85%	Call
1556	—STRAIGHT PATH COMMUNICATNS I	20,100	$624K	8.81%	Put
1557	PLDPROLOGIS INC	14,100	$623K	8.80%	Put
1558	—AMERICAN AXLE & MFG HLDGS IN	40,500	$623K	8.80%	Call
1559	—SEASPAN CORP	33,948	$623K	8.80%
1560	GDDYGODADDY INC	19,200	$621K	8.77%	Put
1561	GONGERON CORP	212,390	$620K	8.75%
1562	—NORTHSTAR ASSET MGMT GROUP I	54,600	$620K	8.75%	Call
1563	—FOOT LOCKER INC	9,600	$619K	8.74%	Put
1564	TWXCHFTIME WARNER INC	8,516	$618K	8.72%
1565	—MEDICAL PPTYS TRUST INC	47,500	$617K	8.71%	Call
1566	—ABIOMED INC	6,500	$616K	8.70%	Put
1567	—GREENBRIER COS INC	22,300	$616K	8.70%	Call
1568	—AMERICAN CAPITAL AGENCY CORP	33,000	$615K	8.68%	Call
1569	—AMGEN INC	4,101	$615K	8.68%
1570	—SPARK THERAPEUTICS INC	20,800	$614K	8.67%	Put
1571	RDWRRADWARE LTD	51,798	$613K	8.65%
1572	—ORGANOVO HLDGS INC	281,400	$611K	8.63%	Put
1573	RNGRINGCENTRAL INC	38,700	$610K	8.61%	Call
1574	—ALAMOS GOLD INC NEW	115,100	$609K	8.60%	Put
1575	DHTDHT HOLDINGS INC	105,700	$609K	8.60%	Put
1576	NATNORDIC AMERICAN TANKERS LIMI	43,100	$607K	8.57%	Put
1577	—LKQ CORP	19,000	$607K	8.57%	Call
1578	IVZINVESCO LTD	19,700	$606K	8.56%	Put
1579	—TETRAPHASE PHARMACEUTICALS I	130,800	$606K	8.56%	Call
1580	PSXPHILLIPS 66	7,000	$606K	8.56%	Put
1581	—MARVELL TECHNOLOGY GROUP LTD	58,700	$605K	8.54%	Put
1582	—SHELL MIDSTREAM PARTNERS L P	16,500	$604K	8.53%	Put
1583	—MARKETO INC	30,700	$601K	8.48%	Put
1584	—AXIALL CORP	27,500	$601K	8.48%	Call
1585	GERNGERON CORP	205,600	$600K	8.47%	Call
1586	SUPNSUPERNUS PHARMACEUTICALS INC	39,300	$599K	8.46%	Put
1587	ZDJ2 GLOBAL INC	9,700	$597K	8.43%	Call
1588	JBLJABIL CIRCUIT INC	31,000	$597K	8.43%	Put
1589	—SUPERIOR ENERGY SVCS INC	44,500	$596K	8.41%	Call
1590	—ROYAL BK SCOTLAND GROUP PLC	93,230	$595K	8.40%
1591	AQLTISHARES TR	6,500	$594K	8.39%	Call
1592	RDWRRADWARE LTD	50,000	$592K	8.36%	Put
1593	—ALERE INC	11,700	$592K	8.36%	Call
1594	—NUANCE COMMUNICATIONS INC	31,600	$591K	8.34%	Put
1595	—ACHILLION PHARMACEUTICALS IN	76,489	$591K	8.34%
1596	—PSIVIDA CORP	220,000	$590K	8.33%	Call
1597	—STONEMOR PARTNERS L P	24,200	$590K	8.33%	Put
1598	—FUELCELL ENERGY INC	86,900	$588K	8.30%	Put
1599	—LIFELOCK INC	48,700	$588K	8.30%	Call
1600	PCARPACCAR INC	10,700	$585K	8.26%	Put

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