ALLIANT ENERGY CORP (LNT) Institutional Ownership Changes & 13F Activity

ALLIANT ENERGY CORP (LNT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include State Street Corp, Envestnet Asset Management Inc, Dearborn Partners Llc, Citadel Advisors Llc, and Assenagon Asset Management S.A..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Op Asset Management LtdSell-56-100.0%0$0.00Q2 2026Sep 28, 2026
Envestnet Asset Management IncBuy+211,958+29.3%936,127$71.42MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Sell-490-4.1%11,340$865.31KQ2 2026Sep 23, 2026
State Street CorpBuy+561,347+3.3%17,571,998$1.34BQ2 2026Sep 22, 2026
Security National Bank Of So DakBuy+2,630—2,630$200.64KQ2 2026Sep 18, 2026
Manufacturers Life Insurance Company, TheSell-20,007-3.1%623,488$47.56MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+1,032+14.5%8,138$620.86KQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+173+25.9%840$64.08KQ2 2026Sep 04, 2026
Anchor Capital Advisors LlcSell-13,659-1.8%757,741$57.81MQ2 2026Sep 03, 2026
Citadel Advisors LlcSell-72,446-25.0%217,500$16.59MQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+19+57.6%52$3.97KQ2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+3,346+10.0%36,969$2.82MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-6,306-2.1%299,868$22.88MQ2 2026Aug 24, 2026
Cyber Hornet Etfs LlcSell-4-0.6%703$53.63KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+72,151+339.9%93,380$7.12MQ2 2026Aug 21, 2026
Rehmann Capital Advisory GroupSell-374-8.3%4,137$315.66KQ2 2026Aug 20, 2026
Harvest Fund Management Co., LtdSell-1-0.5%204$16.00KQ2 2026Aug 20, 2026
Mercer Global Advisors IncBuy+7,389+23.5%38,874$2.97MQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcSell-1,607-13.2%10,560$805.65KQ2 2026Aug 18, 2026
Fulcrum Asset Management LlpBuy+54—54$4.17KQ2 2026Aug 18, 2026
North Star Asset Management IncBuy+6+0.2%3,340$254.78KQ2 2026Aug 18, 2026
Dearborn Partners LlcBuy+137,070—137,070$10.46MQ2 2026Aug 17, 2026
Equitable Holdings, Inc.Buy+6,303+88.1%13,454$1.03MQ2 2026Aug 17, 2026
Coastal Bridge Advisors, LlcBuy+4,772—4,772$364.06KQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+4,394+95.8%8,983$685.31KQ2 2026Aug 17, 2026
Brasada Capital Management, LpBuy+1,888+2.3%85,561$6.53MQ2 2026Aug 17, 2026
Pure Financial Advisors, LlcSell-1,288-22.9%4,338$330.95KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioSell-968-1.2%79,999$6.10MQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcBuy+319+0.4%88,831$6.78MQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+187+1.5%12,779$974.91KQ2 2026Aug 17, 2026
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Frequently asked questions about LNT activity

  • Which institutional owners are buying LNT?

    Institutional owners buying LNT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in LNT activity?

    "Buy" means an investor increased their reported position in LNT compared to the prior reporting period. This reflects growing exposure to ALLIANT ENERGY CORP (LNT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in LNT increasing?

    Institutional interest in LNT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.