GROUP ONE TRADING LLC Q3 2019 Filing

Filed November 12, 2019

Portfolio Value

$12.4M

Holdings

5,114

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (5,114 positions)

#	Stock	Shares	Value	% Portfolio	Type
1	SLBSCHLUMBERGER LTD	29,254	$1.0M	8.08%
2	—ENCORE CAP GROUP INC	30,000	$1.0M	8.08%	Call
3	UNHUNITEDHEALTH GROUP INC	4,600	$1.0M	8.08%	Put
4	—MERCURY SYS INC	12,300	$998K	8.06%	Put
5	BWBABCOCK & WILCOX ENTERPRIS I	208,295	$998K	8.06%
6	TREELENDINGTREE INC NEW	3,200	$993K	8.02%	Call
7	CPRXCATALYST PHARMACEUTICALS INC	186,798	$992K	8.01%
8	CBRECBRE GROUP INC	18,700	$991K	8.01%	Call
9	S9QSPIRIT AEROSYSTEMS HLDGS INC	12,050	$991K	8.01%
10	—ATHENE HLDG LTD	23,560	$991K	8.01%
11	VFFVILLAGE FARMS INTL INC	109,442	$990K	8.00%
12	—SOGOU INC	199,500	$986K	7.97%	Call
13	—2U INC	60,577	$986K	7.97%
14	OMEROMEROS CORP	60,300	$985K	7.96%	Call
15	—BBVA BANCO FRANCES S A	227,200	$984K	7.95%	Put
16	BMABANCO MACRO SA	37,800	$984K	7.95%	Call
17	—HORIZON THERAPEUTICS PUB LTD	36,100	$983K	7.94%	Put
18	—GROUPON INC	369,100	$982K	7.93%	Call
19	CXWCORECIVIC INC	56,800	$982K	7.93%	Call
20	—EBIX INC	23,300	$981K	7.92%	Call
21	—ARQULE INC	136,800	$981K	7.92%	Put
22	KRNTKORNIT DIGITAL LTD	31,700	$976K	7.88%	Call
23	NHCNATIONAL HEALTHCARE CORP	11,900	$974K	7.87%	Call
24	—TEEKAY TANKERS LTD	746,900	$971K	7.84%	Call
25	—PVH CORP	11,000	$971K	7.84%	Put
26	EQTEQT CORP	91,200	$970K	7.84%	Call
27	—BP PRUDHOE BAY RTY TR	105,400	$969K	7.83%	Call
28	—MARVELL TECHNOLOGY GROUP LTD	38,800	$969K	7.83%	Put
29	CYBRCYBERARK SOFTWARE LTD	9,700	$968K	7.82%	Call
30	—MICHAELS COS INC	98,900	$968K	7.82%	Put
31	PSMTPRICESMART INC	13,600	$967K	7.81%	Call
32	CAMTCAMTEK LTD	103,000	$966K	7.80%	Put
33	—U S SILICA HLDGS INC	100,800	$964K	7.79%	Call
34	HRBBLOCK H & R INC	40,800	$964K	7.79%	Call
35	HSBCHSBC HLDGS PLC	25,100	$961K	7.76%	Call
36	EOGEOG RES INC	12,947	$961K	7.76%
37	—OSISKO GOLD ROYALTIES LTD	103,200	$960K	7.76%	Put
38	LWLAMB WESTON HLDGS INC	13,200	$960K	7.76%	Put
39	—SPIRIT RLTY CAP INC NEW	20,000	$957K	7.73%	Put
40	IMAXIMAX CORP	43,500	$955K	7.71%	Call
41	—INSEEGO CORP	197,800	$949K	7.67%	Call
42	RRGBRED ROBIN GOURMET BURGERS IN	28,500	$948K	7.66%	Call
43	NVTNVENT ELECTRIC PLC	42,900	$946K	7.64%	Put
44	—STRATASYS LTD	44,400	$946K	7.64%	Call
45	USFDUS FOODS HLDG CORP	23,000	$945K	7.63%	Call
46	IIPRINNOVATIVE INDL PPTYS INC	10,208	$943K	7.62%
47	ALRMALARM COM HLDGS INC	20,200	$942K	7.61%	Put
48	—ENERPLUS CORP	126,400	$940K	7.59%	Call
49	ADUNITED STATES CELLULAR CORP	25,000	$940K	7.59%	Call
50	QSRRESTAURANT BRANDS INTL INC	13,200	$939K	7.59%	Call
51	—HOSTESS BRANDS INC	66,900	$936K	7.56%	Call
52	UAAUNDER ARMOUR INC	46,962	$936K	7.56%
53	BOXBOX INC	56,500	$936K	7.56%	Put
54	SHAKSHAKE SHACK INC	9,539	$935K	7.55%
55	—PETROCHINA CO LTD	18,400	$935K	7.55%	Call
56	—TENNECO INC	74,700	$935K	7.55%	Call
57	—CORENERGY INFRASTRUCTURE TR	19,800	$935K	7.55%	Call
58	VFFVILLAGE FARMS INTL INC	103,200	$934K	7.55%	Put
59	AAOIAPPLIED OPTOELECTRONICS INC	83,100	$932K	7.53%	Call
60	—AT HOME GROUP INC	96,800	$931K	7.52%	Put
61	—THERAPEUTICSMD INC	256,558	$931K	7.52%
62	—CHESAPEAKE ENERGY CORP	659,500	$930K	7.51%	Put
63	AUDCAUDIOCODES LTD	49,155	$930K	7.51%
64	—LIVENT CORP	138,700	$928K	7.50%	Put
65	—EROS INTL PLC	485,200	$927K	7.49%	Put
66	—SINCLAIR BROADCAST GROUP INC	21,700	$927K	7.49%	Put
67	—JETBLUE AWYS CORP	55,300	$926K	7.48%	Call
68	ROKROCKWELL AUTOMATION INC	5,600	$923K	7.46%	Put
69	SBSWSIBANYE STILLWATER	170,952	$923K	7.46%
70	—SITE CENTERS CORP	61,000	$922K	7.45%	Call
71	EGHT8X8 INC NEW	44,500	$922K	7.45%	Call
72	POSTPOST HLDGS INC	8,700	$921K	7.44%	Put
73	SMSISMITH MICRO SOFTWARE INC	169,540	$921K	7.44%
74	—BITAUTO HLDGS LTD	61,500	$921K	7.44%	Call
75	CMCSACOMCAST CORP NEW	20,400	$920K	7.43%	Put
76	EDGGOLD FIELDS LTD NEW	186,312	$917K	7.41%
77	—TERADATA CORP DEL	29,500	$915K	7.39%	Call
78	—TAILORED BRANDS INC	207,700	$914K	7.38%	Put
79	—STERICYCLE INC	17,900	$912K	7.37%	Call
80	IBNICICI BK LTD	74,700	$910K	7.35%	Put
81	BIDSOTHEBYS	15,962	$910K	7.35%
82	—BRIXMOR PPTY GROUP INC	44,800	$909K	7.34%	Call
83	ITUBITAU UNIBANCO HLDG SA	107,986	$908K	7.34%
84	BLDTOPBUILD CORP	9,400	$906K	7.32%	Call
85	—AMYRIS INC	190,300	$906K	7.32%	Call
86	—ENDO INTL PLC	281,900	$905K	7.31%	Put
87	HLTHILTON WORLDWIDE HLDGS INC	9,700	$903K	7.29%	Put
88	DCHAMERICAN AXLE & MFG HLDGS IN	109,533	$900K	7.27%
89	MLKNMILLER HERMAN INC	19,500	$899K	7.26%	Put
90	—HCP INC	25,200	$898K	7.25%	Call
91	RGENREPLIGEN CORP	11,700	$897K	7.25%	Put
92	HONHONEYWELL INTL INC	5,300	$897K	7.25%	Put
93	—BIOTELEMETRY INC	22,000	$896K	7.24%	Put
94	—ETFIS SER TR I	180,900	$892K	7.21%	Call
95	—ZYNERBA PHARMACEUTICALS INC	117,600	$889K	7.18%	Put
96	—IMMUNOGEN INC	367,400	$889K	7.18%	Call
97	AKAMAKAMAI TECHNOLOGIES INC	9,700	$886K	7.16%	Call
98	AXONAXON ENTERPRISE INC	15,600	$886K	7.16%	Call
99	GMEGAMESTOP CORP NEW	160,477	$886K	7.16%
100	—ALDER BIOPHARMACEUTICALS INC	47,000	$886K	7.16%	Call

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