GROUP ONE TRADING LLC Q1 2017 Filing

Filed May 10, 2017

Portfolio Value

$8.6M

Holdings

4,605

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (4,605 positions)

#	Stock	Shares	Value	% Portfolio	Type
1501	NLYEURANNALY CAP MGMT INC	72,923	$810K	9.43%
1502	LPLLG DISPLAY CO LTD	59,400	$809K	9.42%	Put
1503	SHAKSHAKE SHACK INC	24,200	$808K	9.41%	Put
1504	WELLWELLTOWER INC	11,400	$807K	9.40%	Call
1505	BCRXBIOCRYST PHARMACEUTICALS	95,908	$806K	9.38%
1506	—CELLDEX THERAPEUTICS INC NEW	223,100	$805K	9.37%	Call
1507	LXRXLEXICON PHARMACEUTICALS INC	55,900	$802K	9.34%	Call
1508	—BP PRUDHOE BAY RTY TR	39,900	$802K	9.34%	Put
1509	ESPRESPERION THERAPEUTICS INC NE	22,700	$802K	9.34%	Call
1510	—CALLON PETE CO DEL	60,700	$799K	9.30%	Call
1511	—PORTOLA PHARMACEUTICALS INC	20,400	$799K	9.30%	Put
1512	FSLRFIRST SOLAR INC	29,500	$799K	9.30%	Put
1513	—KANSAS CITY SOUTHERN	9,300	$798K	9.29%	Put
1514	DGXQUEST DIAGNOSTICS INC	8,100	$795K	9.26%	Call
1515	NBISYANDEX N V	36,200	$794K	9.24%	Put
1516	—COEUR MNG INC	98,100	$793K	9.23%	Call
1517	—BLUEBIRD BIO INC	8,680	$789K	9.19%
1518	DVAXDYNAVAX TECHNOLOGIES CORP	132,500	$788K	9.17%	Put
1519	BCSBARCLAYS PLC	70,000	$787K	9.16%	Call
1520	—CURRENCYSHS JAPANESE YEN TR	9,100	$787K	9.16%	Call
1521	—QUALITY SYS INC	51,600	$786K	9.15%	Call
1522	ARCCARES CAP CORP	45,200	$786K	9.15%	Call
1523	—ORGANOVO HLDGS INC	246,800	$785K	9.14%	Put
1524	EXCEXELON CORP	21,800	$784K	9.13%	Call
1525	FBCUSDFLAGSTAR BANCORP INC	27,797	$784K	9.13%
1526	—TABLEAU SOFTWARE INC	15,800	$783K	9.12%	Put
1527	—ACTIVISION BLIZZARD INC	15,700	$783K	9.12%	Put
1528	HPQHP INC	43,800	$783K	9.12%	Call
1529	—AXOVANT SCIENCES LTD	52,400	$783K	9.12%	Put
1530	—II VI INC	21,600	$779K	9.07%	Put
1531	SYNASYNAPTICS INC	15,719	$778K	9.06%
1532	—EXPRESS INC	85,300	$777K	9.05%	Put
1533	TRIPTRIPADVISOR INC	18,000	$777K	9.05%	Call
1534	PODDINSULET CORP	18,000	$776K	9.03%	Call
1535	—APOLLO INVT CORP	118,200	$775K	9.02%	Put
1536	—JOY GLOBAL INC	27,434	$775K	9.02%
1537	BKBANK NEW YORK MELLON CORP	16,365	$773K	9.00%
1538	TECKTECK RESOURCES LTD	35,300	$773K	9.00%	Call
1539	—DONNELLEY FINL SOLUTIONS INC	40,000	$772K	8.99%	Call
1540	—BONANZA CREEK ENERGY INC	664,300	$771K	8.98%	Put
1541	LRCXLAM RESEARCH CORP	6,000	$770K	8.96%	Call
1542	—ATWOOD OCEANICS INC	80,800	$770K	8.96%	Call
1543	LGFEURLIONS GATE ENTMNT CORP	28,937	$769K	8.95%
1544	—PINNACLE FOODS INC DEL	13,282	$769K	8.95%
1545	—SCORPIO TANKERS INC	173,300	$769K	8.95%	Put
1546	MASMASCO CORP	22,600	$768K	8.94%	Put
1547	—AXOVANT SCIENCES LTD	51,267	$766K	8.92%
1548	—KANDI TECHNOLOGIES GROUP INC	201,600	$766K	8.92%	Put
1549	—KERYX BIOPHARMACEUTICALS INC	124,200	$765K	8.91%	Put
1550	—2U INC	19,300	$765K	8.91%	Put
1551	OMFONEMAIN HLDGS INC	30,700	$763K	8.88%	Call
1552	—SYNOVUS FINL CORP	18,600	$763K	8.88%	Call
1553	CPE3EURCALLON PETE CO DEL	57,889	$762K	8.87%
1554	—LEVEL 3 COMMUNICATIONS INC	13,300	$761K	8.86%	Put
1555	RFREGIONS FINL CORP NEW	52,400	$761K	8.86%	Call
1556	—ELLIS PERRY INTL INC	35,400	$760K	8.85%	Call
1557	COTYCOTY INC	41,900	$760K	8.85%	Put
1558	—U S G CORP	23,900	$760K	8.85%	Call
1559	—GREENBRIER COS INC	17,600	$759K	8.84%	Put
1560	MTDRMATADOR RES CO	31,904	$759K	8.84%
1561	—FAIRMOUNT SANTROL HLDGS INC	103,100	$756K	8.80%	Put
1562	—NEW ORIENTAL ED & TECH GRP I	12,500	$755K	8.79%	Put
1563	—FAIRMOUNT SANTROL HLDGS INC	103,066	$755K	8.79%
1564	—PACIFIC ETHANOL INC	110,000	$754K	8.78%	Put
1565	—OCCIDENTAL PETE CORP DEL	11,900	$754K	8.78%	Put
1566	MCDMCDONALDS CORP	5,800	$752K	8.76%	Put
1567	OMFONEMAIN HLDGS INC	30,200	$750K	8.73%	Put
1568	—TRINITY INDS INC	28,200	$749K	8.72%	Call
1569	—MANITOWOC INC	131,100	$747K	8.70%	Put
1570	TRNTRINITY INDS INC	28,045	$745K	8.67%
1571	CFGCITIZENS FINL GROUP INC	21,566	$745K	8.67%
1572	—ATHENAHEALTH INC	6,600	$744K	8.66%	Call
1573	—FIREEYE INC	58,900	$743K	8.65%	Put
1574	—AMERICAN MIDSTREAM PARTNERS	50,000	$743K	8.65%	Put
1575	—SUPERIOR ENERGY SVCS INC	52,100	$743K	8.65%	Put
1576	OSKOSHKOSH CORP	10,800	$741K	8.63%	Call
1577	—OLD REP INTL CORP	36,100	$739K	8.60%	Call
1578	FGENEURFIBROGEN INC	29,951	$738K	8.59%
1579	MURMURPHY OIL CORP	25,700	$735K	8.56%	Put
1580	IDCCINTERDIGITAL INC	8,500	$734K	8.55%	Call
1581	KLICKULICKE & SOFFA INDS INC	36,100	$734K	8.55%	Call
1582	MYGNMYRIAD GENETICS INC	38,200	$733K	8.53%	Put
1583	—CAMPBELL SOUP CO	12,800	$733K	8.53%	Put
1584	—DELPHI AUTOMOTIVE PLC	9,100	$732K	8.52%	Put
1585	AVXLANAVEX LIFE SCIENCES CORP	127,600	$732K	8.52%	Call
1586	—EDGEWELL PERS CARE CO	10,000	$731K	8.51%	Put
1587	GLUUGLU MOBILE INC	321,070	$729K	8.49%
1588	—BERRY PLASTICS GROUP INC	15,000	$729K	8.49%	Put
1589	—PRETIUM RES INC	68,000	$728K	8.48%	Put
1590	—NEW YORK CMNTY BANCORP INC	52,100	$728K	8.48%	Put
1591	—BIOTELEMETRY INC	25,100	$727K	8.46%	Put
1592	—MGIC INVT CORP WIS	71,800	$727K	8.46%	Call
1593	—ACCELERATE DIAGNOSTICS INC	29,900	$724K	8.43%	Call
1594	AAGILENT TECHNOLOGIES INC	13,700	$724K	8.43%	Call
1595	SKYWSKYWEST INC	21,100	$723K	8.42%	Call
1596	—IMPAX LABORATORIES INC	57,013	$721K	8.39%
1597	—ABB LTD	30,800	$721K	8.39%	Put
1598	—TRINITY INDS INC	27,100	$720K	8.38%	Put
1599	—L BRANDS INC	15,200	$716K	8.34%	Call
1600	—INSYS THERAPEUTICS INC NEW	68,100	$716K	8.34%	Put

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