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

Institutional Holders (2015Q3)
Portfolio Summary: 377 Institutional holders with a total value of $3,932,402,054.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 7,887,879 461,363,000 11.73%
2 BlackRock Fund Advisors 6,608,510 386,532,000 9.83%
3 BlackRock Institutional Trust Company, N.A. 3,371,410 197,194,000 5.01%
4 Boston Partners 2,244,066 131,256,000 3.34%
5 FRANKLIN RESOURCES INC 2,041,600 119,414,000 3.04%
6 Perkins Investment Management, LLC 1,948,167 113,920,000 2.90%
7 JENNISON ASSOCIATES LLC 1,621,703 94,853,000 2.41%
8 FMR LLC 1,572,039 91,949,000 2.34%
9 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,500,000 87,735,000 2.23%
10 THOMPSON SIEGEL & WALMSLEY LLC 1,490,538 87,182,000 2.22%
11 Bank of New York Mellon Corp 1,445,960 84,574,000 2.15%
12 NORTHERN TRUST CORP 1,300,385 76,059,000 1.93%
13 COHEN & STEERS, INC. 1,292,876 75,620,000 1.92%
14 WELLINGTON MANAGEMENT GROUP LLP 1,254,576 73,380,000 1.87%
15 COMMONWEALTH BANK OF AUSTRALIA 1,022,362 59,798,000 1.52%
16 NORGES BANK 809,207 47,331,000 1.20%
17 Legal & General Group Plc 805,433 47,108,000 1.20%
18 VICTORY CAPITAL MANAGEMENT INC 801,535 46,882,000 1.19%
19 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 801,019 46,853,000 1.19%
20 BlackRock Group LTD 788,726 46,131,000 1.17%
21 MANUFACTURERS LIFE INSURANCE COMPANY, THE 743,180 43,469,000 1.11%
22 Neuberger Berman Group LLC 721,599 42,206,000 1.07%
23 AQR CAPITAL MANAGEMENT LLC 666,910 39,008,000 0.99%
24 PRINCIPAL FINANCIAL GROUP INC 655,848 38,360,000 0.98%
25 GEODE CAPITAL MANAGEMENT, LLC 653,908 38,218,000 0.97%
26 PGGM Investments 633,611 37,060,000 0.94%
27 GOLDMAN SACHS GROUP INC 629,040 36,792,000 0.94%
28 REGIONS FINANCIAL CORP 616,951 36,086,000 0.92%
29 MORGAN STANLEY 548,111 32,058,000 0.82%
30 EDGE ASSET MANAGEMENT, INC 532,787 31,162,000 0.79%
31 AMUNDI ASSET MANAGEMENT US, INC. 522,936 30,587,000 0.78%
32 SCHRODER INVESTMENT MANAGEMENT GROUP 502,100 29,368,000 0.75%
33 PICTET ASSET MANAGEMENT LTD 437,249 25,575,000 0.65%
34 BANK OF AMERICA CORP /DE/ 420,073 24,570,000 0.62%
35 BlackRock Investment Management, LLC 375,150 21,943,000 0.56%
36 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 358,585 20,973,000 0.53%
37 RUSSELL FRANK CO/ 350,986 20,524,000 0.52%
38 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 350,154 20,481,000 0.52%
39 AMERIPRISE FINANCIAL INC 347,163 20,306,000 0.52%
40 FIRST TRUST ADVISORS LP 338,262 19,785,000 0.50%
41 Retirement Systems of Alabama 337,075 19,716,000 0.50%
42 Nationwide Fund Advisors 330,855 19,352,000 0.49%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 328,592 19,220,000 0.49%
44 Nuveen Asset Management, LLC 327,225 19,139,000 0.49%
45 NEW YORK STATE COMMON RETIREMENT FUND 322,200 18,845,000 0.48%
46 DEUTSCHE BANK AG\ 307,697 17,994,000 0.46%
47 Crow Point Partners, LLC 304,000 17,781,000 0.45%
48 Sumitomo Mitsui Trust Group, Inc. 293,161 17,147,000 0.44%
49 TIAA CREF INVESTMENT MANAGEMENT LLC 288,025 16,847,000 0.43%
50 Robeco Institutional Asset Management B.V. 283,500 16,581,000 0.42%
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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.