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DIAMONDBACK ENERGY INC
DIAMONDBACK ENERGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 235 Institutional holders with a total value of $4,381,265,108.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 Lombard Odier Asset Management (USA) Corp 62,270 4,657,000 0.11%
102 Cambrian Capital Limited Partnership 60,150 4,498,000 0.10%
103 SCHOLTZ & COMPANY, LLC 59,910 4,480,000 0.10%
104 TEACHERS ADVISORS, LLC 58,550 4,378,000 0.10%
105 INSIGHT CAPITAL RESEARCH & MANAGEMENT INC 58,425 4,369,000 0.10%
106 Apex Capital Management 54,405 4,068,000 0.09%
107 Nicholas Investment Partners, LP 52,436 3,921,000 0.09%
108 Swiss National Bank 50,221 3,756,000 0.09%
109 STIFEL FINANCIAL CORP 49,626 3,711,000 0.08%
110 RUSSELL FRANK CO/ 48,948 3,661,000 0.08%
111 Visium Asset Management, LP 47,124 3,525,000 0.08%
112 CLEARBRIDGE, LLC 44,600 3,335,000 0.08%
113 Asset Management One Co., Ltd. 42,442 3,236,000 0.07%
114 OXFORD ASSET MANAGEMENT LLP 42,657 3,193,000 0.07%
115 Energy Opportunities Capital Management, LLC 42,650 3,189,000 0.07%
116 BlackRock Finance, Inc. 41,744 3,122,000 0.07%
117 AQR CAPITAL MANAGEMENT LLC 41,600 3,111,000 0.07%
118 Parallax Volatility Advisers, L.P. 40,000 2,992,000 0.07% Put
119 FIFTH THIRD BANCORP 38,644 2,890,000 0.07%
120 COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 38,229 2,858,000 0.07%
121 UNITED SERVICES AUTOMOBILE ASSOCIATION 37,801 2,827,000 0.06%
122 Dai-ichi Life Holdings, Inc. 36,746 2,748,000 0.06%
123 RHUMBLINE ADVISERS 36,603 2,737,000 0.06%
124 Hudson Bay Capital Management LP 35,000 2,617,000 0.06%
125 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 35,000 2,617,000 0.06%
126 I.G. INVESTMENT MANAGEMENT, LTD. 33,230 2,485,000 0.06%
127 PRELUDE CAPITAL MANAGEMENT, LLC 32,754 2,449,000 0.06%
128 Lombard Odier Asset Management (Europe) Ltd 32,515 2,431,000 0.06%
129 METROPOLITAN LIFE INSURANCE CO/NY 32,095 2,400,000 0.05%
130 GeoSphere Capital Management, LLC 31,400 2,348,000 0.05%
131 NEW YORK STATE COMMON RETIREMENT FUND 30,600 2,288,000 0.05%
132 RAYMOND JAMES & ASSOCIATES 29,672 2,219,000 0.05%
133 Parallax Volatility Advisers, L.P. 28,900 2,159,000 0.05% Call
134 SUSQUEHANNA INTERNATIONAL GROUP, LLP 28,596 2,138,000 0.05%
135 AXIOM INVESTORS LLC /DE 28,540 2,134,000 0.05%
136 CADENCE CAPITAL MANAGEMENT LLC 28,360 2,121,000 0.05%
137 MANUFACTURERS LIFE INSURANCE COMPANY, THE 27,332 2,044,000 0.05%
138 AMERICAN INTERNATIONAL GROUP, INC. 27,259 2,038,428 0.05%
139 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 27,198 2,034,000 0.05%
140 SUFFOLK CAPITAL MANAGEMENT LLC 27,200 2,034,000 0.05%
141 BANK OF AMERICA CORP /DE/ 24,334 1,820,000 0.04%
142 DENVER INVESTMENT ADVISORS LLC 23,909 1,788,000 0.04%
143 Robert W. Baird & Co. Inc 23,170 1,733,000 0.04% SH
144 OBERWEIS ASSET MANAGEMENT INC/ 22,200 1,660,000 0.04%
145 UBS AG 21,995 1,645,000 0.04%
146 CREDIT SUISSE AG/ 21,852 1,634,000 0.04%
147 BlueCrest Capital Management LLP 21,609 1,616,000 0.04%
148 BlueCrest Capital Management Ltd 21,609 1,616,000 0.04%
149 Informed Momentum Co LLC 21,335 1,595,000 0.04%
150 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 20,918 1,564,000 0.04%
Page 3 of 5

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.