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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
101 Iron Mountain Inc New 202,400 5,580 0.12% Call
102 SYMANTEC CORP 250,000 4,993 0.11% Call
103 TWENTY FIRST CENTY FOX INC 151,908 4,727 0.10%
104 AMERICAN AIRLS GROUP INC 128,553 4,705 0.10%
105 MASCO CORP 202,500 4,498 0.10% Call
106 AOL INC 101,308 4,434 0.10%
107 CAESARS ENTERTAINMENT 226,800 4,311 0.09%
108 JDS UNIPHASE CORP COM PAR $0.001 303,900 4,255 0.09% Call
109 TIBCO SOFTWARE INC 200,000 4,064 0.09% Put
110 PROTO LABS INC COM 60,000 4,060 0.09%
111 AK STL CORP 2,500,000 3,815 0.08% PRN
112 NOKIA CORP 500,000 3,670 0.08% Put
113 Crestwood Equity Partners LP 258,432 3,577 0.08%
114 L-3 Communications Hldgs 29,400 3,474 0.08% Put
115 BHP BILLITON LTD 50,000 3,389 0.07% Put
116 GOODRICH PETE CORP 200,000 3,164 0.07% Call
117 AVON PRODS INC 206,900 3,029 0.07% Call
118 GOLDCORP INC NEW 3,000,000 3,015 0.07% PRN
119 WILLIS TOWERS WATSON PLC 67,725 2,989 0.07%
120 AMTRUST FINL SVCS INC 79,300 2,982 0.07%
121 SUPERIOR ENERGY SVCS INC 95,100 2,925 0.06% Call
122 SIGMA ALDRICH 28,900 2,699 0.06% Put
123 ELECTRONIC ARTS INC 88,221 2,559 0.06%
124 LORAL SPACE & COMMUNICATIONS 35,216 2,491 0.05%
125 DRYSHIPS INC. 5%14F DUE 12/01/14 DRYSHIPS INC. 2,500,000 2,478 0.05% PRN
126 GALLAGHER ARTHUR J & CO 49,800 2,369 0.05% Put
127 LIFELOCK ORD 138,000 2,361 0.05% Put
128 BLACKSTONE MTG TR INC 81,161 2,333 0.05%
129 1,125% YANDEX 144A 15.12.2018 2,500,000 2,322 0.05% PRN
130 TESLA INC 2,500,000 2,270 0.05% PRN
131 KROGER CO 50,700 2,213 0.05% Put
132 BLACKSTONE MTG TR INC 2,000,000 2,213 0.05% PRN
133 FIDELITY NATL INFORMATION SV 40,300 2,154 0.05% Put
134 ARTISAN PARTNERS ASSET MGMT 30,000 1,928 0.04%
135 SANOFI SPOND FUNSPONSORED ADR 375,000 1,890 0.04%
136 BABCOCK & WILCOX COMPANY 54,400 1,806 0.04% Put
137 BROOKDALE SR LIVING INC 53,879 1,805 0.04%
138 W T OFFSHORE INC 102,300 1,771 0.04% Call
139 Comverse Inc. 50,772 1,756 0.04%
140 NVIDIA CORPORATION 97,200 1,741 0.04%
141 NEW YORK TIMES CO 98,500 1,686 0.04% Put
142 ZIONS BANCORPORATION 333,909 1,533 0.03%
143 TWENTY FIRST CENTY FOX INC 47,700 1,525 0.03% Put
144 SPRINT CORP 163,700 1,504 0.03%
145 LPL FINL HLDGS INC 28,500 1,497 0.03% Put
146 COGNIZANT TECHNOLOGY SOLUTIO 28,800 1,458 0.03% Put
147 VODAFONE GROUP PLC NEW 36,900 1,358 0.03% Put
148 Exterran Holdings Inc 30,000 1,316 0.03% Call
149 SIRONA DENTAL SYS INC 17,600 1,314 0.03% Put
150 BRIGHT HORIZONS FAM SOL IN DEL COM 32,892 1,286 0.03%
Page 3 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%