GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1B

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#StockSharesValue% PortfolioType
1
CIT GROUP INC
32,200$999.0M14.10%Call
2
SUNPOWER CORP
44,700$999.0M14.10%Put
3
FIAT CHRYSLER AUTOMOBILES N
124,000$999.0M14.10%Put
4
OKEONEOK INC NEW
33,352$996.0M14.06%
5
SMITH & WESSON HLDG CORP
37,400$996.0M14.06%Call
6
NEUSTAR INC
40,400$994.0M14.03%Call
7
TOLTOLL BROTHERS INC
33,700$994.0M14.03%Call
8
STRZSTARZ
37,653$991.0M13.99%
9
METAFACEBOOK INC
8,639$986.0M13.92%
10
INTREXON CORP
29,100$986.0M13.92%Put
11
RESTORATION HARDWARE HLDGS I
23,539$986.0M13.92%
12
IDREAMSKY TECHNOLOGY LIMITED
71,656$985.0M13.91%
13
ROYAL BK SCOTLAND GROUP PLC
154,300$984.0M13.89%Put
14
AEROPOSTALE
4,955,300$984.0M13.89%Call
15
GULFPORT ENERGY CORP
34,700$983.0M13.88%Call
16
INTEGRATED DEVICE TECHNOLOGY
48,000$981.0M13.85%Call
17
WESTMORELAND COAL CO
136,000$981.0M13.85%Put
18
BUNGE LIMITED
17,300$980.0M13.84%Call
19
KBHKB HOME
68,509$978.0M13.81%
20
THCTENET HEALTHCARE CORP
33,800$978.0M13.81%Put
21
AMTRUST FINL SVCS INC
37,800$978.0M13.81%Call
22
HERCULES OFFSHORE INC
406,800$976.0M13.78%Call
23
FORTRESS INVESTMENT GROUP LL
204,200$976.0M13.78%Call
24
VIRNETX HLDG CORP
212,500$975.0M13.77%Put
25
ULTAULTA SALON COSMETCS & FRAG I
5,000$969.0M13.68%Put
26
INVIVO THERAPEUTICS HLDGS CO
138,800$969.0M13.68%Call
27
CORMEDIX INC
364,800$967.0M13.65%Put
28
DEPOMED INC
69,100$963.0M13.60%Call
29
LIONS GATE ENTMNT CORP
43,970$961.0M13.57%
30
SSYSSTRATASYS LTD
37,000$959.0M13.54%Put
31
WDAYWORKDAY INC
12,466$958.0M13.53%
32
ACHILLION PHARMACEUTICALS IN
123,600$954.0M13.47%Call
33
JINKOSOLAR HLDG CO LTD
45,500$951.0M13.43%Call
34
OLEDUNIVERSAL DISPLAY CORP
17,566$950.0M13.41%
35
NORFOLK SOUTHERN CORP
11,400$949.0M13.40%Call
36
LINKEDIN CORP
8,288$948.0M13.38%
37
ALBANY MOLECULAR RESH INC
61,900$946.0M13.36%Put
38
WTWISDOMTREE INVTS INC
82,800$946.0M13.36%Call
39
VYXNCR CORP NEW
31,500$943.0M13.31%Put
40
PCRXPACIRA PHARMACEUTICALS INC
17,800$943.0M13.31%Put
41
CEMPRA INC
53,700$941.0M13.29%Call
42
AGOASSURED GUARANTY LTD
37,200$941.0M13.29%Put
43
DHID R HORTON INC
31,100$940.0M13.27%Put
44
HRTXHERON THERAPEUTICS INC
49,500$940.0M13.27%Call
45
INVAINNOVIVA INC
74,600$939.0M13.26%Call
46
BB&T CORP
28,200$938.0M13.24%Call
47
QRVOQORVO INC
18,600$938.0M13.24%Call
48
PAN AMERICAN SILVER CORP
85,800$933.0M13.17%Call
49
UAAUNDER ARMOUR INC
11,000$933.0M13.17%Call
50
7HPHP INC
75,682$932.0M13.16%
51
TASER INTL INC
47,500$932.0M13.16%Call
52
KANSAS CITY SOUTHERN
10,900$931.0M13.14%Call
53
OCCIDENTAL PETE CORP DEL
13,600$931.0M13.14%Put
54
PUBLIC SVC ENTERPRISE GROUP
19,700$929.0M13.12%Call
55
INSYS THERAPEUTICS INC NEW
58,100$929.0M13.12%Put
56
NEVRO CORP
16,500$928.0M13.10%Call
57
ALASKA AIR GROUP INC
11,300$927.0M13.09%Put
58
FRESH MKT INC
32,500$927.0M13.09%Put
59
U S SILICA HLDGS INC
40,800$927.0M13.09%Put
60
EWEDWARDS LIFESCIENCES CORP
10,500$926.0M13.07%Put
61
CRUSCIRRUS LOGIC INC
25,400$925.0M13.06%Call
62
DGXQUEST DIAGNOSTICS INC
12,900$922.0M13.02%Call
63
HILTON WORLDWIDE HLDGS INC
40,900$921.0M13.00%Call
64
JUNO THERAPEUTICS INC
24,132$919.0M12.97%
65
BMYBRISTOL MYERS SQUIBB CO
14,380$919.0M12.97%
66
LGIHLGI HOMES INC
37,900$918.0M12.96%Call
67
FOLDAMICUS THERAPEUTICS INC
108,400$916.0M12.93%Put
68
FIRSTMERIT CORP
43,500$916.0M12.93%
69
DEMANDWARE INC
23,400$915.0M12.92%Put
70
BCEBCE INC
20,100$915.0M12.92%Call
71
NATIONAL GRID PLC
12,800$914.0M12.90%Call
72
ARCELORMITTAL SA LUXEMBOURG
199,400$913.0M12.89%Put
73
NOWSERVICENOW INC
14,910$912.0M12.88%
74
TMUST MOBILE US INC
23,800$912.0M12.88%Put
75
CONNS INC
72,900$908.0M12.82%Call
76
NRGNRG ENERGY INC
69,800$908.0M12.82%Put
77
SEAGATE TECHNOLOGY PLC
26,200$903.0M12.75%Put
78
GSKGLAXOSMITHKLINE PLC
22,214$901.0M12.72%
79
SOUTHWESTERN ENERGY CO
111,600$901.0M12.72%Call
80
MICHAEL KORS HLDGS LTD
15,825$901.0M12.72%
81
ANACOR PHARMACEUTICALS INC
16,839$900.0M12.71%
82
PENN WEST PETE LTD NEW
968,157$900.0M12.71%
83
DECKDECKERS OUTDOOR CORP
15,000$899.0M12.69%Put
84
HAWAIIAN HOLDINGS INC
19,000$897.0M12.66%Put
85
KRKROGER CO
23,445$897.0M12.66%
86
ABERCROMBIE & FITCH CO
28,400$896.0M12.65%Put
87
SENIOR HSG PPTYS TR
49,959$894.0M12.62%
88
ZYNGA INC
391,400$892.0M12.59%Put
89
RCIROGERS COMMUNICATIONS INC
22,300$892.0M12.59%Call
90
500 COM LTD
53,437$892.0M12.59%
91
FORD MTR CO DEL
65,900$890.0M12.57%Put
92
PCRXPACIRA PHARMACEUTICALS INC
16,700$885.0M12.49%Call
93
BLOCK H & R INC
33,500$885.0M12.49%Call
94
BALL CORP
12,400$884.0M12.48%Call
95
WESWESTERN GAS PARTNERS LP
20,365$884.0M12.48%
96
JUMEI INTL HLDG LTD
135,633$883.0M12.47%
97
INVENSENSE INC
105,000$882.0M12.45%Put
98
OREALTY INCOME CORP
14,100$881.0M12.44%Put
99
GPIGROUP 1 AUTOMOTIVE INC
15,000$880.0M12.42%Put
100
MEDICINES CO
27,700$880.0M12.42%Put
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