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

Institutional Holders (2016Q1)
Portfolio Summary: 404 Institutional holders with a total value of $5,388,819,552.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 8,635,919 641,476,000 11.90%
2 BlackRock Fund Advisors 6,604,133 490,555,000 9.10%
3 STATE STREET CORP 4,265,297 316,828,000 5.88%
4 BlackRock Institutional Trust Company, N.A. 3,421,495 254,149,000 4.72%
5 FRANKLIN RESOURCES INC 1,941,400 144,207,000 2.68%
6 FMR LLC 1,607,938 119,438,000 2.22%
7 JENNISON ASSOCIATES LLC 1,603,402 119,101,000 2.21%
8 COMMONWEALTH BANK OF AUSTRALIA 1,580,363 117,389,000 2.18%
9 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,500,000 111,420,000 2.07%
10 WELLINGTON MANAGEMENT GROUP LLP 1,482,342 110,109,000 2.04%
11 Perkins Investment Management, LLC 1,454,733 108,058,000 2.01%
12 Boston Partners 1,452,387 107,884,000 2.00%
13 Bank of New York Mellon Corp 1,402,717 104,194,000 1.93%
14 THOMPSON SIEGEL & WALMSLEY LLC 1,313,002 97,530,000 1.81%
15 NORTHERN TRUST CORP 1,254,834 93,209,000 1.73%
16 COHEN & STEERS, INC. 1,242,980 92,329,000 1.71%
17 VICTORY CAPITAL MANAGEMENT INC 1,216,181 90,338,000 1.68%
18 PICTET ASSET MANAGEMENT LTD 1,048,134 71,221,000 1.32%
19 NORGES BANK 860,826 63,942,000 1.19%
20 FIRST TRUST ADVISORS LP 811,510 60,279,000 1.12%
21 Legal & General Group Plc 809,804 60,151,000 1.12%
22 BlackRock Group LTD 802,124 59,582,000 1.11%
23 MANUFACTURERS LIFE INSURANCE COMPANY, THE 745,491 55,085,000 1.02%
24 GEODE CAPITAL MANAGEMENT, LLC 691,923 51,367,000 0.95%
25 PRINCIPAL FINANCIAL GROUP INC 689,605 51,224,000 0.95%
26 AQR CAPITAL MANAGEMENT LLC 638,502 47,428,000 0.88%
27 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 634,740 47,148,000 0.87%
28 PGGM Investments 631,387 46,899,000 0.87%
29 Neuberger Berman Group LLC 628,486 46,684,000 0.87%
30 REGIONS FINANCIAL CORP 607,222 45,105,000 0.84%
31 DEUTSCHE BANK AG\ 604,071 44,868,000 0.83%
32 GOLDMAN SACHS GROUP INC 525,214 39,012,000 0.72%
33 SCHRODER INVESTMENT MANAGEMENT GROUP 523,100 38,652,000 0.72%
34 EDGE ASSET MANAGEMENT, INC 511,266 37,977,000 0.70%
35 AMUNDI ASSET MANAGEMENT US, INC. 480,974 35,727,000 0.66%
36 BANK OF AMERICA CORP /DE/ 472,194 35,075,000 0.65%
37 BlackRock Investment Management, LLC 409,039 30,383,000 0.56%
38 JPMORGAN CHASE & CO 391,068 29,048,000 0.54%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 358,254 26,611,000 0.49%
40 B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund 350,104 26,006,000 0.48%
41 AMERIPRISE FINANCIAL INC 348,517 25,888,000 0.48%
42 RUSSELL FRANK CO/ 343,143 25,499,000 0.47%
43 TIAA CREF INVESTMENT MANAGEMENT LLC 340,517 25,294,000 0.47%
44 Retirement Systems of Alabama 339,744 25,236,000 0.47%
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 324,401 24,097,000 0.45%
46 Sumitomo Mitsui Trust Group, Inc. 312,113 23,184,000 0.43%
47 NEW YORK STATE COMMON RETIREMENT FUND 301,860 22,422,000 0.42%
48 Nationwide Fund Advisors 294,967 21,702,000 0.40%
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 289,441 21,500,000 0.40%
50 CANADA LIFE ASSURANCE Co 283,474 21,030,000 0.39%
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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.