Dark
Light
System
Security
ALLIANT ENERGY CORP
ALLIANT ENERGY CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 361 Institutional holders with a total value of $3,826,344,989.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 7,779,769 449,047,000 11.74%
2 BlackRock Fund Advisors 6,736,380 388,824,000 10.16%
3 BlackRock Institutional Trust Company, N.A. 3,314,866 191,334,000 5.00%
4 Boston Partners 2,035,023 117,462,000 3.07%
5 Perkins Investment Management, LLC 1,942,890 112,144,000 2.93%
6 FRANKLIN RESOURCES INC 1,641,600 94,753,000 2.48%
7 JENNISON ASSOCIATES LLC 1,621,561 93,597,000 2.45%
8 FMR LLC 1,557,292 89,887,000 2.35%
9 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,500,000 86,580,000 2.26%
10 Bank of New York Mellon Corp 1,429,743 82,526,000 2.16%
11 COMMONWEALTH BANK OF AUSTRALIA 1,371,778 79,179,000 2.07%
12 THOMPSON SIEGEL & WALMSLEY LLC 1,298,461 74,947,000 1.96%
13 NORTHERN TRUST CORP 1,247,191 71,988,000 1.88%
14 COHEN & STEERS, INC. 1,199,026 69,208,000 1.81%
15 WELLINGTON MANAGEMENT GROUP LLP 968,249 55,888,000 1.46%
16 NORGES BANK 874,598 50,481,000 1.32%
17 Legal & General Group Plc 800,356 46,195,000 1.21%
18 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 785,829 45,358,051 1.19%
19 Neuberger Berman Group LLC 761,844 43,974,000 1.15%
20 PICTET ASSET MANAGEMENT LTD 710,617 43,710,000 1.14%
21 BlackRock Group LTD 754,517 43,550,000 1.14%
22 MANUFACTURERS LIFE INSURANCE COMPANY, THE 710,975 41,038,000 1.07%
23 VICTORY CAPITAL MANAGEMENT INC 701,417 40,490,000 1.06%
24 GEODE CAPITAL MANAGEMENT, LLC 617,487 35,618,000 0.93%
25 PRINCIPAL FINANCIAL GROUP INC 616,844 35,604,000 0.93%
26 GOLDMAN SACHS GROUP INC 582,497 33,622,000 0.88%
27 REGIONS FINANCIAL CORP 582,358 33,614,000 0.88%
28 PGGM Investments 582,229 33,606,000 0.88%
29 MILLENNIUM MANAGEMENT LLC 567,885 32,778,000 0.86%
30 EDGE ASSET MANAGEMENT, INC 537,287 31,013,000 0.81%
31 AMUNDI ASSET MANAGEMENT US, INC. 520,079 30,019,000 0.78%
32 SCHRODER INVESTMENT MANAGEMENT GROUP 491,800 28,298,000 0.74%
33 AQR CAPITAL MANAGEMENT LLC 444,255 25,642,000 0.67%
34 MORGAN STANLEY 414,182 23,906,000 0.62%
35 DEUTSCHE BANK AG\ 384,773 22,206,000 0.58%
36 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 381,754 22,035,000 0.58%
37 BlackRock Investment Management, LLC 377,308 21,778,000 0.57%
38 Nuveen Asset Management, LLC 370,094 21,362,000 0.56%
39 B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund 353,852 20,424,000 0.53%
40 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 348,586 20,120,000 0.53%
41 AMERIPRISE FINANCIAL INC 342,828 19,788,000 0.52%
42 FIRST TRUST ADVISORS LP 341,842 19,731,000 0.52%
43 CANADA LIFE ASSURANCE Co 334,650 19,296,000 0.50%
44 RUSSELL FRANK CO/ 334,191 19,295,000 0.50%
45 CITADEL ADVISORS LLC 327,681 18,914,000 0.49%
46 TIAA CREF INVESTMENT MANAGEMENT LLC 324,059 18,705,000 0.49%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 320,561 18,503,000 0.48%
48 Nationwide Fund Advisors 319,355 18,433,000 0.48%
49 Crow Point Partners, LLC 304,000 17,547,000 0.46%
50 Sumitomo Mitsui Trust Group, Inc. 295,202 17,039,000 0.45%
Page 1 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.