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Institutional Investment Manager
GROUP ONE TRADING LLC
GROUP ONE TRADING LLC (CIK: 0000932540) incorporated in Delaware, located at 425 S Financial Place, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q1)
Original 13F HR (0000932540-16-000021) filed in 2016.05.12
#
Name
Shares
Value ($)
%
Options
Notes
51 PEABODY ENERGY CORP 8,445,600 19,594 0.28% Call
52 SOLARCITY CORP 786,100 19,322 0.27% Put
53 PENNEY J C INC 1,722,400 19,050 0.27% Put
54 ALIBABA GROUP HLDG LTD 236,700 18,706 0.26% Call
55 TWITTER INC 1,112,000 18,404 0.26% Put
56 TWITTER INC 1,110,000 18,371 0.26% Call
57 MOBILEYE N V AMSTELVEEN 491,515 18,329 0.26%
58 BARRICK GOLD CORP 1,343,300 18,242 0.26% Call
59 BANK AMERICA CORP 1,332,694 18,018 0.25%
60 DISNEY WALT CO 180,800 17,955 0.25% Call
61 TRANSOCEAN LTD 1,962,500 17,937 0.25% Call
62 UNITED STATES STL CORP NEW 1,114,600 17,889 0.25% Call
63 VERIZON COMMUNICATIONS INC 327,000 17,684 0.25% Call
64 BLACKBERRY LTD 2,159,300 17,469 0.25% Put
65 JD COM INC 647,200 17,151 0.24% Put
66 TYSON FOODS INC 253,300 16,885 0.24% Call
67 TIME WARNER INC 227,200 16,483 0.23% Call
68 CANADIAN NAT RES LTD PUT 606,500 16,376 0.23% Put
69 Call GILD $70.0 Exp Jun 16, 2017 177,800 16,333 0.23% Call
70 CAMPBELL SOUP CO 250,100 15,954 0.23% Put
71 SOLARCITY CORP 643,000 15,805 0.22% Call
72 SPDR GOLD TRUST 133,400 15,688 0.22% Put
73 TEREX CORP NEW 609,700 15,169 0.21% Call
74 OPKO HEALTH INC 1,459,100 15,160 0.21% Call
75 ADVANCED MICRO DEVICES INC 5,245,100 14,949 0.21% Put
76 ACADIA PHARMACEUTICALS INC 533,700 14,922 0.21% Call
77 TEVA PHARMACEUTICAL INDS LTD 278,431 14,899 0.21%
78 OPKO HEALTH INC 1,409,100 14,641 0.21% Put
79 FRANKLIN RES INC 374,300 14,616 0.21% Put
80 21VIANET GROUP INC 731,500 14,608 0.21% Call
81 YPF SOCIEDAD ANONIMA 812,400 14,526 0.21% Put
82 DEVON ENERGY CORP NEW 525,600 14,422 0.20% Put
83 UNITED STATES OIL FUND LP 1,484,800 14,403 0.20% Put
84 TEVA PHARMACEUTICAL INDS LTD 266,900 14,282 0.20% Call
85 ROYAL GOLD INC 278,200 14,269 0.20% Call
86 ENTERPRISE PRODS PARTNERS L 573,700 14,124 0.20% Call
87 OFFICE DEPOT INC 1,978,800 14,049 0.20% Call
88 GILEAD SCIENCES INC 152,100 13,972 0.20% Put
89 WELLS FARGO CO NEW 288,100 13,933 0.20% Call
90 KINDER MORGAN INC DEL 777,800 13,892 0.20% Put
91 PIONEER NAT RES CO 97,700 13,750 0.19% Put
92 BLACKBERRY LTD 1,696,977 13,729 0.19%
93 VALE S A 3,249,600 13,681 0.19% Put
94 ENERGY TRANSFER EQUITY L P 1,895,400 13,514 0.19% Call
95 MICROSOFT CORP 243,400 13,443 0.19% Put
96 Call DAL $41.0 Exp Jun 16, 2017 274,800 13,377 0.19% Call
97 ENTERPRISE PRODS PARTNERS L 536,000 13,196 0.19% Put
98 ENDO INTL PLC 465,100 13,093 0.18% Put
99 GOLDCORP INC NEW 801,900 13,015 0.18% Put
100 CIGNA CORPORATION 94,700 12,997 0.18% Call
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