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ALLIANT ENERGY CORP
ALLIANT ENERGY CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 358 Institutional holders with a total value of $3,751,627,440.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 CADENCE CAPITAL MANAGEMENT LLC 6,662 378,000 0.01%
102 STEPHENS INC /AR/ 6,786 386,000 0.01%
103 OLD MUTUAL CUSTOMISED SOLUTIONS (PROPRIETARY) LTD 6,800 386,000 0.01%
104 SHAPIRO ROBERT N 6,800 387,000 0.01%
105 CITY NATIONAL BANK 6,824 388,000 0.01%
106 Stonebridge Capital Advisors LLC 6,991 397,000 0.01%
107 NATIXIS ADVISORS, LLC 7,059 401,000 0.01%
108 Energy Income Partners, LLC 7,100 403,000 0.01%
109 VSR Financial Services, Inc. 7,328 416,000 0.01%
110 Cambridge Investment Research Advisors, Inc. 7,348 417,000 0.01%
111 HM PAYSON & CO 7,644 434,000 0.01%
112 KBC Group NV 7,735 439,000 0.01%
113 Zurcher Kantonalbank (Zurich Cantonalbank) 7,754 441,000 0.01%
114 LS Investment Advisors, LLC 7,931 451,000 0.01%
115 MEEDER ASSET MANAGEMENT INC 7,993 454,000 0.01%
116 American Investment Services, Inc. 8,221 467,000 0.01%
117 LPL Financial LLC 8,230 468,000 0.01%
118 GSA CAPITAL PARTNERS LLP 8,264 469,000 0.01%
119 TWO SIGMA ADVISERS, LP 8,369 475,000 0.01%
120 Korea Investment CORP 8,500 483,000 0.01%
121 SUSQUEHANNA INTERNATIONAL GROUP, LLP 8,500 483,000 0.01% Call
122 DEAN INVESTMENT ASSOCIATES, LLC 8,578 487,000 0.01%
123 Santa Fe Partners LLC 8,573 488,000 0.01%
124 THRIVENT FINANCIAL FOR LUTHERANS 8,600 489,000 0.01%
125 Carnick & Kubik, LLC 8,600 489,000 0.01%
126 WESTPAC BANKING CORP 8,832 501,746 0.01%
127 OFI Advisors LLC 8,865 504,000 0.01%
128 COMMERCE BANK 8,944 508,000 0.01%
129 BRC Investment Management LLC 9,026 513,000 0.01%
130 Geneva Advisors, LLC 9,359 532,000 0.01%
131 SAC Capital Advisors LP 9,714 552,000 0.01%
132 STRS OHIO 9,851 560,000 0.01%
133 MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 9,990 568,000 0.02%
134 HARTFORD INVESTMENT MANAGEMENT CO 10,065 572,000 0.02%
135 KMS FINANCIAL SERVICES, INC 10,152 577,000 0.02%
136 AT Bancorp 10,175 578,000 0.02%
137 AXA S.A. 10,182 579,000 0.02%
138 RUSSELL FRANK CO/ 10,250 582,000 0.02%
139 LYNCH & ASSOCIATES/IN 10,490 596,000 0.02%
140 PEAK6 Group LLC 10,600 602,000 0.02% Put
141 Sumitomo Mitsui DS Asset Management Company, Ltd 10,893 618,000 0.02%
142 CAPSTONE ASSET MANAGEMENT CO 10,890 619,000 0.02%
143 CHATHAM CAPITAL GROUP, INC. 11,270 640,000 0.02%
144 SCHRODER INVESTMENT MANAGEMENT GROUP 11,280 640,817 0.02%
145 GLG LLC 11,394 647,000 0.02%
146 Hills Bank & Trust Co 11,415 648,000 0.02%
147 WEDGE CAPITAL MANAGEMENT L L P/NC 11,400 648,000 0.02%
148 JONES FINANCIAL COMPANIES LLLP 11,594 658,000 0.02%
149 PineBridge Investments, L.P. 11,739 667,000 0.02%
150 World Asset Management Inc 11,854 673,000 0.02%
Page 3 of 8

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.