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

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 19, 2026Barton Lisa M
CEO
OtherCommon Stock$2.00M-29K
-21.02%
107,452
0.04% of shares
low
Feb 19, 2026Durian Robert J
Executive
OtherCommon Stock$1.16M-17K
-9.57%
157,126
0.06% of shares
low
Feb 19, 2026Sundararajan Raja
Executive
OtherCommon Stock .$792.8K-11K
-25.52%
33,050
0.01% of shares
low
Feb 19, 2026Smyth Antonio P
Executive
OtherCommon Stock$435.9K-6K
-22.17%
21,855
<0.01% of shares
low
Feb 19, 2026de Leon David A
Executive
OtherCommon Stock$364.5K-5K
-9.84%
47,708
0.02% of shares
low
Feb 19, 2026Farlinger Mayuri
Executive
OtherCommon Stock$82.5K-1K
-10.15%
10,432
<0.01% of shares
low
Feb 19, 2026Syse Dylan
Executive
OtherCommon Stock$35.4K-506
-11.18%
4,020
<0.01% of shares
low
Feb 19, 2026Valcq Rebecca C.
Executive
OtherCommon Stock$30.7K-438
-15.80%
2,335
<0.01% of shares
low

5%+ ownership events

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

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
LNT——018802108—