Alliant Energy Corp

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Alliant Energy Corp
TickerLNT
CIK #0000352541
CUSIP018802108
SectorEnergy & Transportation - Electric & Other Services Combined
Address4902 North Biltmore Lane Suite 1000, Madison, WI 53718-2148
Source [EDGAR]
CIK Filing 2011 - 2025
[0000352541] 10-K
[0000352541] 10-Q
[0000352541] 3
[0000352541] 4
[0000352541] 8-K
[0000352541] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
State Street Corp Alliant Energy Corp [2021-02-05] 5.02
State Street Corp Alliant Energy Corp [2020-02-13] 5.36
State Street Corp Alliant Energy Corp [2018-02-13] 5.09
State Street Corp Alliant Energy Corp [2017-02-09] 5.3
Vanguard Group Inc Alliant Energy Corp [2014-02-10] 5.63
Form 3/4/5 Filer 2011 - 2025
Garcia Michael Dennis
Alliant Energy Corp
Newport Roger K
Raymond Christie
Cortina Ignacio A
Cox Stephanie
Falotico Nancy Joy
Smyth Antonio P
Syse Dylan
Bilitz Benjamin M
Sundararajan Raja
Barton Lisa M
Larsen John O
Farlinger Mayuri
de Leon David A
Durian Robert J
Allen Patrick E
Kouba Terry L
Otoole Thomas F
Whiting Susan D
Luhrs Michael
Gallegos James H
Evanko Jillian C.
Kampling Patricia L
Kopp Douglas R
Dunie Deborah B.
Bennett Michael L
Reschke Wayne A
Sanders Carol P
Oestreich Dean C
Hanson Thomas L
Newhall Ann K
McAllister Singleton B
Hazel Darryl B
Perdue David A
Aller Thomas L
Harvey William D
Schmidt Joel J
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 31,954,407
BlackRock, Inc. [2025-06-30] SOLE 22,208,349 23,777,045
State Street Corp [2025-06-30] DFND 12,319,896 16,734,438
Janus Henderson Group PLC [2025-06-30] DFND 0 10,775,522
Victory Capital Management Inc [2025-06-30] SOLE 9,110,421 9,513,071
Nuveen, LLC [2025-06-30] DFND 8,347,506 8,365,495
Geode Capital Management LLC [2025-06-30] DFND 6,842,023 6,847,796
Massachusetts Financial Services Co /MA/ [2025-06-30] SOLE 6,312,104 6,408,741
Invesco Ltd. [2025-06-30] DFND 0 4,865,114
Franklin Resources Inc [2025-06-30] DFND 3,670,272 3,675,713
Morgan Stanley [2025-06-30] DFND 2,878,473 3,495,284
Bank of America Corp /DE/ [2025-06-30] DFND 185,411 3,199,735
Pictet Asset Management Holding SA [2025-06-30] SOLE 3,051,129 3,160,222
Mairs & Power Inc [2025-06-30] SOLE 2,646,088 3,042,142
Legal & General Group Plc [2025-06-30] DFND 2,001,836 2,368,752
Charles Schwab Investment Management Inc [2025-06-30] SOLE 2,291,618 2,291,630
Northern Trust Corp [2025-06-30] DFND 2,270,481 2,290,192
Johnson Investment Counsel Inc [2025-06-30] SOLE 0 1,924,229
Bank of New York Mellon Corp [2025-06-30] DFND 1,595,553 1,921,386
Duff & Phelps Investment Management Co [2025-06-30] OTR 1,772,334 1,906,829
Neuberger Berman Group LLC [2025-06-30] DFND 1,558,523 1,656,436
JPMorgan Chase & Co [2025-06-30] DFND 1,023,313 1,455,475
UBS Group AG [2025-06-30] DFND 1,336,441 1,397,217
Balyasny Asset Management LP [2025-06-30] SOLE 1,360,426 1,360,426
Vanguard Group Inc [2025-06-30] DFND 380 1,349,295
First Trust Advisors LP [2025-06-30] SOLE 1,258,419 1,258,419
Millennium Management LLC [2025-06-30] SOLE 1,204,264 1,204,264
Goldman Sachs Group Inc [2025-06-30] DFND 1,138,252 1,154,917
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,029,050 1,116,300
Marshall Wace LLP [2025-06-30] OTR 0 1,014,382
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