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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 (2014Q4)
Original 13F HR (0000932540-15-000002) filed in 2015.02.11
#
Name
Shares
Value ($)
%
Options
Notes
1 AMERICAN AIRLS GROUP INC 2,171,400 116,452 1.76% Put
2 AMERICAN AIRLS GROUP INC 1,859,820 99,742 1.51%
3 ACTAVIS PLC 372,000 95,757 1.45% Put
4 BARCLAYS BK PLC 2,996,300 94,413 1.42% Put
5 MALLINCKRODT PUB LTD CO 840,400 83,225 1.26% Put
6 ACTAVIS PLC 277,300 71,380 1.08% Call
7 KINDER MORGAN INC DEL 1,450,100 61,354 0.93% Call
8 KINDER MORGAN INC DEL 1,415,000 59,869 0.90% Put
9 BLACKBERRY LTD 5,440,500 59,737 0.90% Put
10 VALEANT PHARMACEUTICALS INTL 410,200 58,704 0.89% Put
11 TIME WARNER CABLE INC 346,700 52,719 0.80% Put
12 VERTEX PHARMACEUTICALS INC 411,900 48,934 0.74% Put
13 GOPRO INC 768,000 48,553 0.73% Put
14 ALLERGAN INC 219,200 46,600 0.70% Put
15 SEARS HLDGS CORP PUT 1,403,900 46,301 0.70% Put
16 MOBILEYE N V AMSTELVEEN 1,132,500 45,934 0.69% Put
17 GOPRO INC 699,000 44,191 0.67% Call
18 AMTRUST FINL SVCS INC 712,600 40,084 0.60% Put
19 BLACKBERRY LTD 3,605,161 39,585 0.60%
20 HERBALIFE LTD 1,048,400 39,525 0.60% Put
21 BARCLAYS BK PLC 1,242,500 39,151 0.59% Call
22 HERBALIFE LTD 1,026,400 38,695 0.58% Call
23 INTEROIL CORP 748,500 36,519 0.55% Put
24 ALLERGAN PLC 137,411 35,371 0.53%
25 MALLINCKRODT PUB LTD CO 350,400 34,700 0.52% Call
26 AMERICAN AIRLS GROUP INC 631,700 33,878 0.51% Call
27 ABBVIE INC 477,400 31,241 0.47% Put
28 HERTZ GLOBAL HOLDINGS INC 1,234,300 30,783 0.46% Call
29 PENNEY J C INC 4,632,000 30,015 0.45% Put
30 VALEANT PHARMACEUTICALS INTL 193,300 27,663 0.42% Call
31 COVIDIEN PLC 269,700 27,585 0.42% Put
32 SEARS HLDGS CORP 781,600 25,777 0.39% Call
33 PERRIGO CO PLC 153,100 25,592 0.39% Call
34 AMTRUST FINL SVCS INC 453,300 25,498 0.38% Call
35 YPF SOCIEDAD ANONIMA 946,800 25,062 0.38% Put
36 HERTZ GLOBAL HOLDINGS INC 978,900 24,414 0.37% Put
37 ASTRAZENECA PLC 340,300 23,950 0.36% Call
38 AMERICAN RLTY CAP PPTYS INC 2,614,400 23,660 0.36% Call
39 ASTRAZENECA PLC 329,700 23,204 0.35% Put
40 VODAFONE GROUP PLC NEW 636,700 21,756 0.33% Put
41 ABBVIE INC 331,400 21,687 0.33% Call
42 TIME WARNER CABLE INC 139,700 21,243 0.32% Call
43 Mobileye Nv Call Opt 09/17 48.0 510,400 20,702 0.31% Call
44 JAZZ PHARMACEUTICALS PLC 123,500 20,221 0.31% Put
45 ACADIA PHARMACEUTICALS INC 631,700 20,056 0.30% Put
46 BANCO SANTANDER SA 2,389,400 19,904 0.30% Put
47 SOUTHWEST AIRLS CO 463,900 19,632 0.30% Call
48 AMERICAN RLTY CAP PPTYS INC 2,139,500 19,362 0.29% Put
49 SIRIUS XM HOLDINGS INC 5,497,421 19,241 0.29%
50 MANNKIND CORP 3,685,000 19,217 0.29% Call
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