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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 JDS UNIPHASE CORP COM PAR $0.001 303,900 4,255 0.09% Call
102 TIBCO SOFTWARE INC 200,000 4,064 0.09% Put
103 PROTO LABS INC COM 60,000 4,060 0.09%
104 NOKIA CORP 500,000 3,670 0.08% Put
105 Crestwood Equity Partners LP 258,432 3,577 0.08%
106 L-3 Communications Hldgs 29,400 3,474 0.08% Put
107 BHP BILLITON LTD 50,000 3,389 0.07% Put
108 GOODRICH PETE CORP 200,000 3,164 0.07% Call
109 AVON PRODS INC 206,900 3,029 0.07% Call
110 WILLIS TOWERS WATSON PLC 67,725 2,989 0.07%
111 AMTRUST FINL SVCS INC 79,300 2,982 0.07%
112 SUPERIOR ENERGY SVCS INC 95,100 2,925 0.06% Call
113 SIGMA ALDRICH 28,900 2,699 0.06% Put
114 ELECTRONIC ARTS INC 88,221 2,559 0.06%
115 LORAL SPACE & COMMUNICATIONS 35,216 2,491 0.05%
116 GALLAGHER ARTHUR J & CO 49,800 2,369 0.05% Put
117 LIFELOCK ORD 138,000 2,361 0.05% Put
118 BLACKSTONE MTG TR INC 81,161 2,333 0.05%
119 KROGER CO 50,700 2,213 0.05% Put
120 FIDELITY NATL INFORMATION SV 40,300 2,154 0.05% Put
121 ARTISAN PARTNERS ASSET MGMT 30,000 1,928 0.04%
122 SANOFI SPOND FUNSPONSORED ADR 375,000 1,890 0.04%
123 BABCOCK & WILCOX COMPANY 54,400 1,806 0.04% Put
124 BROOKDALE SR LIVING INC 53,879 1,805 0.04%
125 W T OFFSHORE INC 102,300 1,771 0.04% Call
126 Comverse Inc. 50,772 1,756 0.04%
127 NVIDIA CORPORATION 97,200 1,741 0.04%
128 NEW YORK TIMES CO 98,500 1,686 0.04% Put
129 ZIONS BANCORPORATION 333,909 1,533 0.03%
130 TWENTY FIRST CENTY FOX INC 47,700 1,525 0.03% Put
131 SPRINT CORP 163,700 1,504 0.03%
132 LPL FINL HLDGS INC 28,500 1,497 0.03% Put
133 COGNIZANT TECHNOLOGY SOLUTIO 28,800 1,458 0.03% Put
134 VODAFONE GROUP PLC NEW 36,900 1,358 0.03% Put
135 Exterran Holdings Inc 30,000 1,316 0.03% Call
136 SIRONA DENTAL SYS INC 17,600 1,314 0.03% Put
137 BRIGHT HORIZONS FAM SOL IN DEL COM 32,892 1,286 0.03%
138 NORTH VY BANCORP COM STK 51,716 1,250 0.03%
139 Pentair plc 15,400 1,222 0.03% Put
140 B/E AEROSPACE INC 14,000 1,215 0.03% Put
141 BARNES & NOBLE INC 50,600 1,058 0.02% Put
142 TEXAS INSTRS INC 22,400 1,056 0.02% Put
143 Jones Energy Inc 66,199 1,002 0.02%
144 WEATHERFORDI 56,800 986 0.02% Call
145 LOUISIANA PAC CORP 58,405 985 0.02%
146 JOHNSON CTLS INTL PLC 20,700 980 0.02% Put
147 CABOT OIL & GAS CORP 27,900 945 0.02% Put
148 Equinix Inc New 5,000 924 0.02% Call
149 QUALCOMM INC 11,600 915 0.02% Put
150 CIENA CORP 39,300 894 0.02%
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%