Companies / Alliant Energy Corp

Alliant Energy Corp

Nasdaq: LNTCIK 352541UtilitiesMADISON, WIalliantenergy.com ↗

Financials · FY2025

Revenue$4.36B
Net income$810.00M
Total debt$11.44B
Cash$115.00M
Diluted EPS$3.14
Shares outstanding259.3M

Ownership

259.3M shares outstanding · as of Jun 30, 2026
0.15%Insiders
Ownership
Insiders0.15%384,416
Institutions90.42%234,442,699
Public float9.43%24,457,584

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 16

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Insider% of sharesShares
Durian Robert JEVP and CFO
0.06%157,126
Barton Lisa MCEOPresident and CEO · Director
0.04%107,452
de Leon David ASenior Vice President
0.02%47,708
Sundararajan RajaExecutive Vice President
0.01%33,050
Smyth Antonio PExecutive Vice President
<0.01%21,855
Farlinger MayuriVice President
<0.01%10,432
Syse DylanCAO and Controller
<0.01%4,020
Valcq Rebecca C.Vice President
<0.01%2,773
Allen Patrick EDirector
——
Asthana ManuDirector
——

Institutional holders 849

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HolderValue% of shares
Vanguard Group Inc$2.20B13.03%
BlackRock, Inc.$1.91B9.64%
State Street Corporation$1.34B6.78%
Janus Henderson Group PLC$809.00M4.35%
Geode Capital Management, LLC$518.98M2.80%
Victory Capital Management, Inc.$491.49M2.48%
Nuveen, LLC$480.63M2.85%
Massachusetts Financial Services Company$466.38M2.77%
Invesco Ltd.$307.08M1.82%
Pictet Asset Management Holding SA$264.46M1.57%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q2 2026
as of
Deutsche Bank AG
13F manager
AddCommon stock$206.04M+2.7M
+395.47%
3,383,604
1.30% of shares
high
Q1 2026
as of
Victory Capital Management, Inc.
13F manager
TrimCommon stock$-96.15M-1.3M
-15.62%
7,238,864
2.79% of shares
high
Q2 2026
as of
Victory Capital Management, Inc.
13F manager
TrimCommon stock$-60.76M-796K
-11.00%
6,442,409
2.48% of shares
high
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$52.67M+690K
+4.09%
17,571,998
6.78% of shares
high
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon stock$50.41M+661K
+2.72%
24,986,672
9.64% of shares
high
Q1 2026
as of
Marshall Wace, LLP
13F manager
AddCommon stock$42.47M+592K
+233.09%
845,825
0.33% of shares
medium
Q1 2026
as of
Arrowstreet Capital, Limited Partnership
13F manager
NewCommon stock$32.50M+453K
452,952
0.17% of shares
medium
Q1 2026
as of
First Trust Advisors LP
13F manager
TrimCommon stock$-26.05M-363K
-24.27%
1,133,023
0.44% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
LNT——018802108—