GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7M

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#	Stock	Shares	Value	% Portfolio	Type
1501	CNKCINEMARK HOLDINGS INC	3,700	$148K	0.89%	Call
1502	—BLACK KNIGHT INC	2,700	$147K	0.88%	Put
1503	—LIONS GATE ENTMNT CORP	9,400	$147K	0.88%	Put
1504	LTHM1EURLIVENT CORP	11,999	$147K	0.88%
1505	OMEXODYSSEY MARINE EXPLORATION I	20,500	$147K	0.88%	Put
1506	—GAIN CAP HLDGS INC	23,400	$147K	0.88%	Call
1507	—SANDRIDGE PERMIAN TR	62,000	$147K	0.88%	Call
1508	CPE3EURCALLON PETE CO DEL	19,380	$146K	0.88%
1509	—ADAMIS PHARMACEUTICALS CORP	69,400	$146K	0.88%	Put
1510	CXWCORECIVIC INC	7,500	$146K	0.88%	Call
1511	CODICOMPASS DIVERSIFIED HOLDINGS	9,300	$146K	0.88%	Call
1512	—MEDIDATA SOLUTIONS INC	2,000	$146K	0.88%	Put
1513	UISUNISYS CORP	12,500	$146K	0.88%	Put
1514	DHTDHT HOLDINGS INC	32,500	$145K	0.87%	Put
1515	—COWEN INC	10,000	$145K	0.87%	Put
1516	FLEXFLEX LTD	14,500	$145K	0.87%	Call
1517	—ROCKWELL MED INC	25,500	$145K	0.87%	Call
1518	—OLLIES BARGAIN OUTLT HLDGS I	1,700	$145K	0.87%	Call
1519	AMSCAMERICAN SUPERCONDUCTOR CORP	11,300	$145K	0.87%	Put
1520	DHID R HORTON INC	3,500	$145K	0.87%	Put
1521	NENOBLE CORP PLC	50,139	$144K	0.86%
1522	—PIVOTAL SOFTWARE INC	6,900	$144K	0.86%	Put
1523	—ENLINK MIDSTREAM LLC	11,300	$144K	0.86%	Put
1524	—VONAGE HLDGS CORP	14,300	$144K	0.86%	Put
1525	GILGILDAN ACTIVEWEAR INC	4,000	$144K	0.86%	Put
1526	—AUDENTES THERAPEUTICS INC	3,700	$144K	0.86%	Call
1527	VERIVERITONE INC	27,600	$144K	0.86%	Call
1528	HCAHCA HEALTHCARE INC	1,094	$143K	0.86%
1529	DBAINVESCO DB COMMDY INDX TRCK	9,000	$143K	0.86%	Put
1530	EEFTEURONET WORLDWIDE INC	1,000	$143K	0.86%	Call
1531	—LEGG MASON INC	5,200	$142K	0.85%	Call
1532	—LAREDO PETROLEUM INC	45,800	$142K	0.85%	Call
1533	MOHMOLINA HEALTHCARE INC	1,000	$142K	0.85%	Call
1534	LSCCLATTICE SEMICONDUCTOR CORP	11,800	$141K	0.85%	Put
1535	YELPYELP INC	4,100	$141K	0.85%	Call
1536	UISUNISYS CORP	12,113	$141K	0.85%
1537	VNDAVANDA PHARMACEUTICALS INC	7,600	$140K	0.84%	Put
1538	MVISMICROVISION INC DEL	144,150	$140K	0.84%
1539	—INOVALON HLDGS INC	11,300	$140K	0.84%	Put
1540	CCXIEURCHEMOCENTRYX INC	9,979	$139K	0.83%
1541	TDSTELEPHONE & DATA SYS INC	4,500	$138K	0.83%	Put
1542	AXONAXON ENTERPRISE INC	2,530	$138K	0.83%
1543	GSHDGOOSEHEAD INS INC	4,966	$138K	0.83%
1544	—COLUMBIA FINL INC	8,800	$138K	0.83%	Call
1545	MANHMANHATTAN ASSOCS INC	2,508	$138K	0.83%
1546	—FITBIT INC	23,300	$138K	0.83%	Call
1547	—HI-CRUSH PARTNERS LP	30,919	$138K	0.83%
1548	TELTE CONNECTIVITY LTD	1,705	$138K	0.83%
1549	TMOTHERMO FISHER SCIENTIFIC INC	500	$137K	0.82%	Call
1550	—ALLSCRIPTS HEALTHCARE SOLUTN	14,400	$137K	0.82%	Call
1551	NPKINEWPARK RES INC	15,000	$137K	0.82%	Call
1552	AEOAMERICAN EAGLE OUTFITTERS IN	6,200	$137K	0.82%	Put
1553	RYAMRAYONIER ADVANCED MATLS INC	10,100	$137K	0.82%	Call
1554	—FIRST FINL BANCORP OH	5,700	$137K	0.82%	Put
1555	—SINA CORP	2,300	$136K	0.82%	Call
1556	SHAKSHAKE SHACK INC	2,296	$136K	0.82%
1557	—CHINA BIOLOGIC PRODS HLDGS I	1,493	$136K	0.82%
1558	—CLEARSIDE BIOMEDICAL INC	98,800	$136K	0.82%	Put
1559	—ACADIA RLTY TR	5,000	$136K	0.82%	Put
1560	—MONOLITHIC PWR SYS INC	1,000	$135K	0.81%	Put
1561	—DEL FRISCOS RESTAURANT GROUP	21,000	$135K	0.81%	Put
1562	—SUNPOWER CORP	20,700	$135K	0.81%	Put
1563	DXCDXC TECHNOLOGY CO	2,100	$135K	0.81%	Put
1564	TGNATEGNA INC	9,598	$135K	0.81%
1565	AXSAXIS CAPITAL HOLDINGS LTD	2,470	$135K	0.81%
1566	SGRYSURGERY PARTNERS INC	12,000	$135K	0.81%	Call
1567	—CONSOLIDATED COMM HLDGS INC	12,400	$135K	0.81%	Call
1568	—ANTARES PHARMA INC	44,400	$135K	0.81%	Call
1569	HRBBLOCK H & R INC	5,600	$134K	0.80%	Call
1570	AXAXOS FINL INC	4,600	$133K	0.80%	Call
1571	COWNEURCOWEN INC	9,200	$133K	0.80%
1572	—GREENSKY INC	10,270	$133K	0.80%
1573	AGOASSURED GUARANTY LTD	3,000	$133K	0.80%	Call
1574	—WPX ENERGY INC	10,126	$133K	0.80%
1575	XEJACCURAY INC	27,980	$133K	0.80%
1576	ELDELDORADO GOLD CORP NEW	28,696	$133K	0.80%
1577	TRMBTRIMBLE INC	3,300	$133K	0.80%	Put
1578	—DCP MIDSTREAM LP	4,000	$132K	0.79%	Put
1579	—SANDERSON FARMS INC	1,000	$132K	0.79%	Put
1580	—CENTENNIAL RESOURCE DEV INC	15,000	$132K	0.79%	Put
1581	—ANDEAVOR LOGISTICS LP	3,748	$132K	0.79%
1582	TXRHTEXAS ROADHOUSE INC	2,100	$131K	0.79%	Call
1583	—BGC PARTNERS INC	24,600	$131K	0.79%	Put
1584	—FREDS INC	52,949	$131K	0.79%
1585	—TEXAS CAPITAL BANCSHARES INC	2,400	$131K	0.79%	Put
1586	—BITAUTO HLDGS LTD	8,200	$131K	0.79%	Put
1587	SABRSABRE CORP	6,100	$130K	0.78%	Call
1588	CRNTCERAGON NETWORKS LTD	36,151	$130K	0.78%
1589	—LAZARD LTD	3,600	$130K	0.78%	Call
1590	MEDPMEDPACE HLDGS INC	2,200	$130K	0.78%	Call
1591	—180 DEGREE CAP CORP	69,900	$130K	0.78%	Call
1592	INFYINFOSYS LTD	11,900	$130K	0.78%	Call
1593	EBIXEUREBIX INC	2,608	$129K	0.77%
1594	NOAHNOAH HLDGS LTD	2,657	$129K	0.77%
1595	BLMNBLOOMIN BRANDS INC	6,300	$129K	0.77%	Put
1596	—GENERAL ELECTRIC CO	12,843,600	$128K	0.77%	Call
1597	CALXCALIX INC	16,618	$128K	0.77%
1598	SEASEABRIDGE GOLD INC	10,299	$128K	0.77%
1599	KEYKEYCORP NEW	8,123	$128K	0.77%
1600	VUZIVUZIX CORP	41,810	$128K	0.77%

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