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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 ISHARES NASDAQ BIOTECHNOLOGY ETF 15,000 16,718 0.37% Call
102 ISHARES TR 1,578,100 118,164 2.60% Put
103 Iron Mountain Inc New 202,400 5,580 0.12% Call
104 JDS UNIPHASE CORP COM PAR 0.001 303,900 4,255 0.09% Call
105 JOHNSON CTLS INTL PLC 20,700 980 0.02% Put
106 Jones Energy Inc 66,199 1,002 0.02%
107 KINDER MORGAN INC DEL 1,303,965 42,366 0.93%
108 KOSMOS ENERGY LTD SHS 4,948,095 54,429 1.20%
109 KROGER CO 50,700 2,213 0.05% Put
110 L-3 Communications Holdings 29,400 3,474 0.08% Put
111 LEE ENTERPRISES INC 20,000 89 0.00% Call
112 LEGACY RESERVES LP 2,309,547 57,369 1.26%
113 LIBERTY MEDIA SER A 123,159 16,101 0.35%
114 LIFELOCK INC COM 138,000 2,361 0.05% Put
115 LINEAR TECHNOLOGY CORP 6,200 302 0.01% Put
116 LORAL SPACE & COMMUNICATIONS 35,216 2,491 0.05%
117 LOUISIANA PAC CORP 58,405 985 0.02%
118 LPL FINL HLDGS INC COM 28,500 1,497 0.03% Put
119 Lamar Advertising Co A 2,889,359 147,328 3.24%
120 Lamar Advertising Co A 400,000 20,396 0.45% Call
121 Lamar Advertising Co A 1,650,800 84,174 1.85% Put
122 MARTIN MARIETTA MATLS INC 100,000 12,835 0.28% Call
123 MARVELL TECHNOLOGY GROUP LTD 27,100 427 0.01% Put
124 MASCO CORP 202,500 4,498 0.10% Call
125 MCKESSON CORP 3,100 547 0.01% Put
126 MEAD JOHNSON NUTRITION CO 9,600 798 0.02% Put
127 MERITOR INC 4,000,000 6,090 0.13% PRN
128 MICHAEL KORS HLDGS LTD 2,400 224 0.00% Put
129 MICRON TECHNOLOGY INC 12,000,000 26,855 0.59% PRN
130 MONDELEZ INTL INC 6,200 214 0.00% Put
131 MONSANTO CO NEW 3,300 375 0.01% Put
132 MOTOROLA SOLUTIONS INC 11,000 707 0.02% Put
133 MUELLER WTR PRODUCTS INCORPORATED COM SER A 32,900 313 0.01% Put
134 Market Vectors Semiconductor E 984,200 44,889 0.99% Call
135 Monster Beverage Corpo 7,100 493 0.01% Put
136 NETFLIX INC 1,800 634 0.01% Put
137 NEW YORK TIMES CO 98,500 1,686 0.04% Put
138 NEWCASTLE INVESTMENT CORP 160,101 752 0.02%
139 NEWFIELD EXPL CO 1,024,494 32,128 0.71%
140 NEWMONT CORP 25,001 586 0.01%
141 NOKIA CORP 500,000 3,670 0.08% Put
142 NORTH VY BANCORP COM STK 51,716 1,250 0.03%
143 NORTHEASTUTILITI 8,400 382 0.01% Put
144 NOVELLUS SYS INC SR NT CV2.625 41 29,520,000 50,386 1.11% PRN
145 NVIDIA CORPORATION 97,200 1,741 0.04%
146 Nielsen Holdings B.V. 175,000 7,810 0.17%
147 OIL STS INTL INC 5,800 572 0.01%
148 OIL STS INTL INC 415,900 41,008 0.90% Call
149 OWENS ILL INC 21,100 714 0.02% Put
150 PACIFIC DRILLING SA LUXEMBOURG REG SHS 1,139,700 12,400 0.27%
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 CABLE INC 1,253,100 171,900 52.15% Call
2 TIME WARNER CABLE INC 1,149,951 157,750 47.85%