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Institutional Investment Manager
Magnetar Financial LLC
Magnetar Financial LLC (CIK: 0001352851) incorporated in Delaware, located at 1603 Orrington Ave., Evanston, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q1)
Original 13F HR (0001104659-14-038884) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
51 CITIGROUPINC 500,000 23,800 0.52% Call
52 APPLIED MATLS INC 1,165,400 23,797 0.52%
53 AMERICAN AIRLS GROUP INC 585,300 21,422 0.47% Put
54 ZALE CORP NEW 1,012,700 21,176 0.47% Put
55 ATLAS PIPELINE PARTNERS LP 656,421 21,078 0.46%
56 APPLIED MATLS INC 1,000,000 20,420 0.45% Call
57 Lamar Advertising Co A 400,000 20,396 0.45% Call
58 SPDR S&P 500 ETF TR 100,000 18,704 0.41% Call
59 Equinix Inc New 101,133 18,693 0.41%
60 PHILLIPS 66 237,200 18,279 0.40% Call
61 YAHOO INC 506,300 18,176 0.40% Call
62 HALLIBURTON CO 300,000 17,667 0.39% Call
63 ISHARES NASDAQ BIOTECHNOLOGY ETF 15,000 16,718 0.37% Call
64 ENERGY TRANSFER L P 356,802 16,680 0.37%
65 GENERAL MTRS CO 482,500 16,608 0.37% Call
66 Liberty Media Ser A 123,159 16,101 0.35%
67 LIFE STORAGE INC 1,444,148 15,987 0.35%
68 ENBRIDGE ENERGY PARTNERS L P 522,700 14,327 0.31%
69 ULTRA PETROLEUM CORP 506,300 13,614 0.30% Call
70 AMERICAN RLTY CAP PPTYS INC 963,369 13,506 0.30%
71 AMERICAN AIRLS GROUP INC 359,400 13,154 0.29% Call
72 MARTIN MARIETTA MATLS INC 100,000 12,835 0.28% Call
73 PACIFIC DRILLING SA LUXEMBOURG REG SHS 1,139,700 12,400 0.27%
74 National Australia Bank ADR 250,000 12,208 0.27% Call
75 FIREEYE INC 179,800 11,070 0.24% Call
76 PIONEER NAT RES CO 57,400 10,742 0.24% Put
77 ENERGEN CORP COM 132,098 10,675 0.23%
78 WHITING PETE CORP NEW 150,400 10,436 0.23% Call
79 CATERPILLAR INC 104,100 10,344 0.23% Put
80 EXTERRAN PARTNERS LP 350,000 9,975 0.22%
81 AVAGO TECHNOLOGIES LTD SHS 150,000 9,662 0.21% Put
82 WESTERN REFNG INC 250,000 9,650 0.21%
83 AMTRUST FINL SVCS INC 252,500 9,497 0.21% Put
84 COMCAST CORP NEW 187,509 9,379 0.21%
85 VOYA FINANCIAL INC. 250,000 9,068 0.20%
86 AOL INC 202,500 8,863 0.19% Call
87 CROWN CASTLE INTL CORP 108,600 8,013 0.18% Put
88 Nielsen Holdings B.V. 175,000 7,810 0.17%
89 INTL PAPER CO 165,700 7,602 0.17% Call
90 TIBCO SOFTWARE INC 338,788 6,884 0.15%
91 AGILENT TECHNOLOGIES INC 120,600 6,744 0.15% Put
92 SIRIUS XM HOLDINGS INC 2,025,400 6,481 0.14% Call
93 APOLLO ED GROUP INC 172,800 5,917 0.13% Call
94 Iron Mountain Inc New 202,400 5,580 0.12% Call
95 SYMANTEC CORP 250,000 4,993 0.11% Call
96 TWENTY FIRST CENTY FOX INC 151,908 4,727 0.10%
97 AMERICAN AIRLS GROUP INC 128,553 4,705 0.10%
98 MASCO CORP 202,500 4,498 0.10% Call
99 AOL INC 101,308 4,434 0.10%
100 CAESARS ENTERTAINMENT 226,800 4,311 0.09%
Page 2 of 5
New Holding filing (0001104659-14-060615) filed in 2014.08.14
#
Name
Shares
Value ($)
%
Options
Notes
1 FOREST LABS INC COM 1,344,066 124,017 80.58%
2 JOS A BANK CLOTHIERS INC 350,701 22,550 14.65%
3 EQUAL ENERGY LTD 1,407,196 6,445 4.19%
4 FOREST LABS INC COM 9,600 886 0.58% Put
New Holding filing (0001104659-14-080749) filed in 2014.11.14
#
Name
Shares
Value ($)
%
Options
Notes
1 UNS ENERGY CORP 359,731 21,595 100.00%
New Holding filing (0001104659-15-010871) filed in 2015.02.17
#
Name
Shares
Value ($)
%
Options
Notes
1 TIME WARNER INC NEW 1,253,100 171,900 52.15% Call
2 TIME WARNER INC NEW 1,149,951 157,750 47.85%