GROUP ONE TRADING LLC Q4 2020 Filing

Filed February 10, 2021

Portfolio Value

$57.8T

Holdings

6,453

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (6,453 positions)

#StockSharesValue% PortfolioType
1
SRGSERITAGE GROWTH PPTYS
68,100$1.0B0.00%Put
2
VRAVERA BRADLEY INC
125,600$1.0B0.00%Call
3
ALKSALKERMES PLC
50,100$1.0B0.00%Put
4
ZBRAZEBRA TECHNOLOGIES CORPORATI
2,600$999.0M0.00%Put
5
THCTENET HEALTHCARE CORP
25,003$998.0M0.00%
6
NDLSNOODLES & CO
126,200$997.0M0.00%Call
7
AMEDISYS INC
3,400$997.0M0.00%Call
8
CDNSCADENCE DESIGN SYSTEM INC
7,300$996.0M0.00%Put
9
PANWPALO ALTO NETWORKS INC
2,800$995.0M0.00%Put
10
WESTERN UN CO
45,300$994.0M0.00%Put
11
TRUPTRUPANION INC
8,300$994.0M0.00%Call
12
LIMELIGHT NETWORKS INC
248,533$992.0M0.00%
13
AIRAAR CORP
27,347$991.0M0.00%
14
MEDICAL PPTYS TRUST INC
45,500$991.0M0.00%Put
15
ATIALLEGHENY TECHNOLOGIES INC
59,000$989.0M0.00%Call
16
APTALPHA PRO TECH LTD
88,400$986.0M0.00%Call
17
STIFEL FINL CORP
19,500$984.0M0.00%Call
18
PROOFPOINT INC
7,200$982.0M0.00%Put
19
SPHSUBURBAN PROPANE PARTNERS L
66,100$982.0M0.00%Put
20
IMMUNOGEN INC
152,100$981.0M0.00%Put
21
VG ACQUISITION CORP
85,689$979.0M0.00%
22
BRAINSTORM CELL THERAPEUTICS
216,400$979.0M0.00%Put
23
RADA ELECTR INDS LTD
100,382$979.0M0.00%
24
NAVNAVISTAR INTL CORP NEW
22,262$979.0M0.00%
25
SANTANDER CONSUMER USA HDG I
44,400$978.0M0.00%Put
26
TEXTEREX CORP NEW
28,000$977.0M0.00%Call
27
TNDMTANDEM DIABETES CARE INC
10,200$976.0M0.00%Put
28
SSNCSS&C TECHNOLOGIES HLDGS INC
13,400$975.0M0.00%Put
29
CYRUSONE INC
13,300$973.0M0.00%Call
30
MNSTMONSTER BEVERAGE CORP NEW
10,500$971.0M0.00%Put
31
BWABORGWARNER INC
25,105$970.0M0.00%
32
AMPIO PHARMACEUTICALS INC
609,885$970.0M0.00%
33
SPYUBANK MONTREAL QUE
12,700$966.0M0.00%Put
34
CALLAWAY GOLF CO
40,000$960.0M0.00%Put
35
ADMAADMA BIOLOGICS INC
492,000$959.0M0.00%Put
36
ADMARCHER DANIELS MIDLAND CO
19,000$958.0M0.00%Put
37
SILVERCREST METALS INC
85,700$958.0M0.00%Put
38
STABLE RD ACQUISITION CORP
53,259$957.0M0.00%
39
NTESNETEASE INC
9,994$957.0M0.00%
40
ALSNALLISON TRANSMISSION HLDGS I
22,200$957.0M0.00%Call
41
KLICKULICKE & SOFFA INDS INC
30,100$957.0M0.00%Put
42
JACKJACK IN THE BOX INC
10,300$956.0M0.00%Call
43
EVHEVOLENT HEALTH INC
59,600$955.0M0.00%Call
44
TXRHTEXAS ROADHOUSE INC
12,200$954.0M0.00%Put
45
UHALAMERCO
2,100$953.0M0.00%Call
46
ELFE L F BEAUTY INC
37,700$950.0M0.00%Call
47
CTRNCITI TRENDS INC
19,100$949.0M0.00%Call
48
CATALENT INC
9,100$947.0M0.00%Call
49
FOMENTO ECONOMICO MEXICANO S
12,500$947.0M0.00%Put
50
DOUYU INTL HLDGS LTD
85,600$947.0M0.00%Put
51
S76STORE CAP CORP
27,880$947.0M0.00%
52
FATEFATE THERAPEUTICS INC
10,400$946.0M0.00%Call
53
DIGITAL ALLY INC
403,436$944.0M0.00%
54
HIGHWOODS PPTYS INC
23,800$943.0M0.00%Call
55
GENWORTH FINL INC
249,400$943.0M0.00%Call
56
NIUNIU TECHNOLOGIES
33,600$942.0M0.00%Put
57
BURLBURLINGTON STORES INC
3,600$942.0M0.00%Call
58
NEONEOGENOMICS INC
17,500$942.0M0.00%Put
59
HBC2HSBC HLDGS PLC
36,361$942.0M0.00%
60
CAMTCAMTEK LTD
43,000$942.0M0.00%Call
61
CMBTEURONAV NV
117,527$940.0M0.00%
62
TROWPRICE T ROWE GROUP INC
6,200$939.0M0.00%Put
63
OLNOLIN CORP
38,200$938.0M0.00%Put
64
IBNICICI BANK LIMITED
63,100$938.0M0.00%Call
65
SWAVUSDSHOCKWAVE MED INC
9,037$937.0M0.00%
66
TURQUOISE HILL RES LTD
75,400$936.0M0.00%Put
67
ACCOLADE INC
21,500$935.0M0.00%Put
68
HQYHEALTHEQUITY INC
13,385$933.0M0.00%
69
HOSTESS BRANDS INC
63,600$931.0M0.00%Call
70
MEDALLIA INC
28,000$930.0M0.00%Call
71
ASANASANA INC
31,400$928.0M0.00%Put
72
CTXSEURCITRIX SYS INC
7,129$927.0M0.00%
73
QEP RESOURCES INC
387,200$925.0M0.00%Call
74
CARA THERAPEUTICS INC
61,000$923.0M0.00%Put
75
ENDURANCE INTL GROUP HLDGS I
97,566$922.0M0.00%
76
UHSUNIVERSAL HLTH SVCS INC
6,701$921.0M0.00%
77
LSCCLATTICE SEMICONDUCTOR CORP
20,100$921.0M0.00%Put
78
CORELOGIC INC
11,900$920.0M0.00%Put
79
BRIGHTCOVE INC
50,000$920.0M0.00%Put
80
COLLECTIVE GROWTH CORP
64,400$920.0M0.00%Call
81
ROMEO POWER INC
40,854$919.0M0.00%
82
PAGPENSKE AUTOMOTIVE GRP INC
15,478$919.0M0.00%
83
MCAFEE CORP
55,000$918.0M0.00%Call
84
AQUABOUNTY TECHNOLOGIES INC
104,600$916.0M0.00%Put
85
EMEEMCOR GROUP INC
10,000$915.0M0.00%Call
86
NOCNORTHROP GRUMMAN CORP
3,000$914.0M0.00%Call
87
NOGNORTHERN OIL AND GAS INC MN
104,300$914.0M0.00%Put
88
PVH CORPORATION
9,700$911.0M0.00%Call
89
DDOGDATADOG INC
9,249$910.0M0.00%
90
EVAUSDENVIVA PARTNERS LP
20,037$910.0M0.00%
91
PRVBUSDPROVENTION BIO INC
53,742$910.0M0.00%
92
SKECHERS U S A INC
25,300$909.0M0.00%Put
93
ORGANOVO HLDGS INC
73,800$908.0M0.00%Call
94
KALEYRA INC
92,000$907.0M0.00%Call
95
XPELXPEL INC
17,600$907.0M0.00%Call
96
SASEABRIDGE GOLD INC
43,000$906.0M0.00%Put
97
VERUVERU INC
104,700$906.0M0.00%Put
98
NFENEW FORTRESS ENERGY INC
16,900$906.0M0.00%Put
99
JOEST JOE CO
21,300$904.0M0.00%Put
100
GDOTGREEN DOT CORP
16,200$904.0M0.00%Put
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