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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 (2016Q2)
Original 13F HR (0000932540-16-000023) filed in 2016.08.12
#
Name
Shares
Value ($)
%
Options
Notes
1 ALLERGAN PLC 831,300 192,105 2.27% Put
2 VANECK VECTORS SEMICONDUCTOR 2,909,900 80,604 0.95% Put
3 SEAWORLD ENTMT INC 4,052,300 58,069 0.69% Put
4 BARRICK GOLD CORP 2,674,500 57,101 0.68% Put
5 QIHOO 360 TECHNOLOGY CO LTD 773,100 56,475 0.67% Put
6 SHIRE PLC 284,000 52,279 0.62% Put
7 FREEPORT-MCMORAN INC 4,494,900 50,073 0.59% Put
8 MONDELEZ INTL INC 1,079,500 49,128 0.58% Put
9 HUMANA INC 261,900 47,111 0.56% Put
10 CIGNA CORPORATION 360,500 46,140 0.55% Put
11 ABBVIE INC 654,800 40,539 0.48% Put
12 ENERGY TRANSFER EQUITY L P 2,742,500 39,410 0.47% Put
13 E M C CORP MASS 1,411,500 38,350 0.45% Put
14 MOBILEYE N V AMSTELVEEN 778,100 35,902 0.42% Put
15 PFIZER INC 952,700 33,545 0.40% Put
16 KINDER MORGAN INC DEL 1,789,000 33,490 0.40% Put
17 JD COM INC 1,475,600 31,327 0.37% Put
18 RANGE RES CORP 719,900 31,056 0.37% Put
19 MONSANTO CO NEW 299,100 30,930 0.37% Put
20 TWITTER INC 1,698,700 28,725 0.34% Put
21 CHARTER COMMUNICATIONS INC N 124,700 28,511 0.34% Put
22 CHESAPEAKE ENERGY CORP 6,574,500 28,139 0.33% Put
23 WESTERN DIGITAL CORP 591,900 27,973 0.33% Put
24 SOLARCITY CORP 1,098,800 26,294 0.31% Put
25 ADVANCED MICRO DEVICES INC 4,896,800 25,170 0.30% Put
26 VALE S A 4,848,100 24,531 0.29% Put
27 TRANSOCEAN LTD 2,031,300 24,152 0.29% Put
28 SAREPTA THERAPEUTICS INC 1,248,600 23,811 0.28% Put
29 BAKER HUGHES INC 493,900 22,290 0.26% Put
30 TEVA PHARMACEUTICAL INDS LTD 443,700 22,287 0.26% Put
31 CURRENCYSHS BRIT POUND STER 169,800 22,099 0.26% Put
32 KRAFT HEINZ CO 248,300 21,970 0.26% Put
33 UNITED STATES STL CORP NEW 1,288,600 21,726 0.26% Put
34 VALEANT PHARMACEUTICALS INTL 994,600 20,031 0.24% Put
35 YPF SOCIEDAD ANONIMA 1,016,900 19,524 0.23% Put
36 POWERSHS DB US DOLLAR INDEX 777,400 19,311 0.23% Put
37 HERBALIFE LTD 328,100 19,204 0.23% Put
38 WILLIAMS COS INC DEL 865,700 18,725 0.22% Put
39 GENERAL ELECTRIC CO 568,500 17,896 0.21% Put
40 GOLDCORP INC NEW 892,100 17,066 0.20% Put
41 FRANCO NEVADA CORP 211,800 16,110 0.19% Put
42 YAMANA GOLD INC 3,035,600 15,785 0.19% Put
43 LENDINGCLUB CORP 3,627,800 15,600 0.18% Put
44 EXXON MOBIL CORP 165,100 15,476 0.18% Put
45 BANK AMER CORP 1,164,500 15,453 0.18% Put
46 DEUTSCHE BANK AG 1,117,000 15,336 0.18% Put
47 ALCOA INC 1,604,900 14,877 0.18% Put
48 BLACKBERRY LTD 2,192,100 14,709 0.17% Put
49 SEARS HLDGS CORP PUT 1,051,900 14,316 0.17% Put
50 UNITED STATES OIL FUND LP 1,234,600 14,284 0.17% Put
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