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Alliant Energy Corp (LNT)

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Sector: Electric & Other Services Combined

Insider Roster

P Antonio Smyth, Executive Vice President, 2026-04-16
E Patrick Allen, Director, 2026-04-14
A Ignacio Cortina, Director, 2026-04-14

P Antonio Smyth, Executive Vice President, 2026-04-16
E Patrick Allen, Director, 2026-04-14
A Ignacio Cortina, Director, 2026-04-14
Stephanie Cox, Director, 2026-04-14
Joy Nancy Falotico, Director, 2026-04-14
Dennis Michael Garcia, Director, 2026-04-14
K Roger Newport, Director, 2026-04-14
Christie Raymond, Director, 2026-04-14
C. Rebecca Valcq, Vice President, 2026-03-19
Manu Asthana, Director, 2026-03-04
M Lisa Barton, President and Ceo, 2026-02-24
A David Leon De, Senior Vice President, 2026-02-24
J Robert Durian, Evp and Cfo, 2026-02-24
Mayuri Farlinger, Vice President, 2026-02-24
Raja Sundararajan, Executive Vice President, 2026-02-24
Dylan Syse, Cao and Controller, 2026-02-24
M Benjamin Bilitz, Cao and Controller, 2025-02-24
O John Larsen, Director, 2025-02-24
L Terry Kouba, Senior Vice President, 2024-02-21
F Thomas Otoole, Director, 2023-10-17
D Susan Whiting, Director, 2023-07-13
Michael Luhrs, Senior Vice President, 2023-02-28
H James Gallegos, Evp, Gen Cnsl and Corp Sec, 2022-03-01
C. Jillian Evanko, Director, 2021-01-12
L Patricia Kampling, Chairman and Ceo, 2019-06-04
R. Douglas Kopp, Senior Vice President, 2019-02-26
B. Deborah Dunie, Director, 2018-09-17
L Michael Bennett, Director, 2017-10-16
A Wayne Reschke, Senior Vice President, 2017-09-11
P Carol Sanders, Director, 2016-10-17
C Dean Oestreich, Director, 2016-10-17
L Thomas Hanson, Senior Vice President, Cfo, 2016-03-04
K Ann Newhall, Director, 2015-08-18
B Singleton Mcallister, Director, 2015-08-18
B Darryl Hazel, Director, 2015-08-18
A David Perdue, Director, 2014-11-18
L Thomas Aller, Senior Vice President, 2014-03-17
D William Harvey, Chairman and Ceo, 2012-02-29
J Joel Schmidt, Vice President, 2012-01-31
K Dundeana Doyle, Senior Vice President, 2011-08-18
J Barbara Swan, Executive Vice President, 2011-01-04
G Eliot Protsch, Officer, 2009-07-17

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Hedge Fund Popularity

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Hedge Fund Holdings

Filing Period:

Last updated on May 26, 2026, 12:59pm based on SEC 13F filings Last update: May 26, 2026, 12:59pm

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Point72 Asset Management Steve Cohen	1,243,581	$89,239,373	+15%	0.11%
2.	Squarepoint Ops LLC Maxime Fortin (Cio)	1,132,902	$81,297,048	+1662%	0.1%
3.	Marshall Wace LLP Paul Marshall And Ian Wace	845,825	$60,696,404	+234%	0.06%
4.	Renaissance Technologies Jim Simons	710,700	$50,999,832	+69%	0.08%
5.	ExodusPoint Capital Michael Gelband	629,657	$45,184,186	+10%	0.35%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Barton Officer, Director	$48.56	1,100	$53,416.00	36,444	2024-02-20	Filing
Sundararajan Officer	$48.26	500	$24,127.50	10,556	2024-02-20	Filing
Falotico Director	$61.00	1,200	$73,200.00	1,210	2022-06-09	Filing
De Officer	$53.15	941	$49,999.99	6,254	2019-09-03	Filing
Dunie Director	$43.80	1,250	$54,747.50	12,300	2018-09-13	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Gallegos Officer	$58.04	10,000	$580,420.00	57,448	2022-02-28	Filing
Gallegos Officer	$52.29	5,000	$261,437.00	22,053	2019-08-29	Filing
Gallegos Officer	$50.00	5,000	$250,000.00	27,053	2019-06-14	Filing
Kampling Officer, Director	$47.55	10,000	$475,546.00	200,365	2019-06-03	Filing
Gallegos Officer	$47.50	5,000	$237,500.00	32,053	2019-05-03	Filing

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	24,499,440	$1,758,079,782	0.03%
2.	State Street Corp	17,010,651	$1,220,684,316	0.04%
3.	Vanguard Capital Management Llc	16,699,462	$1,198,353,393	0.02%
4.	Vanguard Portfolio Management Llc	14,595,006	$1,047,337,631	0.05%
5.	Henderson Group Plc	11,273,621	$808,995,539	0.39%

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