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Alliant Energy Corp

LNT
Exchange
Nasdaq
Industry
Electric & Other Services Combined
SEC CIK
0000352541

In the last 90 days, Alliant Energy Corp insiders filed 0 open-market purchases and 1 sale; 883 institutions reported holding it in 13F filings for Q2 2026, worth $19.3B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Alliant Energy Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
790
+27 vs. Q2 2025
Shares held
222.7M
+9.44M (+4.4%) vs. Q2 2025
Total value
$15.0B
+$2.12B (+16.4%) vs. Q2 2025
New holders
88
282 more added
Sold out
61
239 more reduced

11 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting LNT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 790 institutions
Q1 2021: 547 institutionsQ2 2021: 575 institutionsQ3 2021: 583 institutionsQ4 2021: 614 institutionsQ1 2022: 633 institutionsQ2 2022: 659 institutionsQ3 2022: 627 institutionsQ4 2022: 661 institutionsQ1 2023: 638 institutionsQ2 2023: 635 institutionsQ3 2023: 615 institutionsQ4 2023: 653 institutionsQ1 2024: 631 institutionsQ2 2024: 658 institutionsQ3 2024: 682 institutionsQ4 2024: 718 institutionsQ1 2025: 776 institutionsQ2 2025: 774 institutionsQ3 2025: 790 institutionsQ4 2025: 834 institutionsQ1 2026: 858 institutionsQ2 2026: 883 institutions
Value heldQ3 2025: $15.0B
Q1 2021: $10.2BQ2 2021: $10.6BQ3 2021: $10.5BQ4 2021: $11.6BQ1 2022: $11.8BQ2 2022: $10.9BQ3 2022: $10.1BQ4 2022: $10.5BQ1 2023: $10.3BQ2 2023: $10.3BQ3 2023: $9.71BQ4 2023: $10.5BQ1 2024: $10.3BQ2 2024: $10.4BQ3 2024: $12.6BQ4 2024: $12.6BQ1 2025: $13.4BQ2 2025: $12.9BQ3 2025: $15.0BQ4 2025: $15.0BQ1 2026: $17.1BQ2 2026: $19.3B
Institutions holding LNT and their total value by quarter
QuarterHoldersValue
Q2 2026883$19.3B
Q1 2026858$17.1B
Q4 2025834$15.0B
Q3 2025790$15.0B
Q2 2025774$12.9B
Q1 2025776$13.4B
Q4 2024718$12.6B
Q3 2024682$12.6B
Q2 2024658$10.4B
Q1 2024631$10.3B
Q4 2023653$10.5B
Q3 2023615$9.71B
Q2 2023635$10.3B
Q1 2023638$10.3B
Q4 2022661$10.5B
Q3 2022627$10.1B
Q2 2022659$10.9B
Q1 2022633$11.8B
Q4 2021614$11.6B
Q3 2021583$10.5B
Q2 2021575$10.6B
Q1 2021547$10.2B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Alliant Energy Corp; share changes are against Q2 2025.

Institutions holding LNT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Lido Advisors, LLC18,344$1.24M0.01%+3,765+25.8%Added
Mizuho Securities USA LLC18,716$1.22M0.02%+960+5.4%Added
Basepoint Wealth LLC17,631$1.19M0.84%+127+0.7%Added
Blair William & Co17,538$1.18M0.00%+193+1.1%Added
Koshinski Asset Management, Inc.17,533$1.18M0.08%+395+2.3%Added
Savant Capital, LLC17,076$1.15M0.01%+2,183+14.7%Added
Advisor OS, LLC16,642$1.12M0.10%+227+1.4%Added
Blackhawk Capital Partners LLC.16,542$1.12M0.43%−2,331−12.4%Reduced
VERITY Wealth Advisors16,443$1.11M0.70%00.0%Unchanged
Federated Hermes, Inc.16,350$1.10M0.00%00.0%Unchanged
Everett Harris & Co16,272$1.10M0.01%−400−2.4%Reduced
KLCM Advisors, Inc.16,144$1.09M0.11%−20.0%Reduced
Kentucky Retirement Systems16,126$1.09M0.03%−289−1.8%Reduced
Sterling Capital Management LLC15,881$1.07M0.02%−1,216−7.1%Reduced
Oppenheimer & Co Inc15,716$1.06M0.01%−545−3.4%Reduced
Bank & Trust Co15,670$1.06M0.78%00.0%Unchanged
First Business Financial Services, Inc.15,614$1.05M0.10%00.0%Unchanged
Hartford Investment Management Co15,172$1.02M0.03%−297−1.9%Reduced
Ronald Blue Trust, Inc.15,056$1.01M0.01%+42+0.3%Added
Kestra Advisory Services, LLC14,979$1.01M0.00%+655+4.6%Added
Wiley Bros.-Aintree Capital, LLC14,963$1.01M0.01%+1,210+8.8%Added
Westpac Banking Corp14,741$993.7K0.06%+12,693+619.8%Added
Nordea Investment Management AB14,633$980.7K0.00%+1,389+10.5%Added
Everstar Asset Management, LLC14,498$977.3K0.55%+359+2.5%Added
HRT Financial LP14,456$974.0K0.00%−119,684−89.2%Reduced
Chicago Capital, LLC14,379$969.3K0.02%00.0%Unchanged
Vident Advisory, LLC14,320$965.3K0.01%+2,170+17.9%Added
Exchange Traded Concepts, LLC14,038$946.3K0.01%−374−2.6%Reduced
Rockefeller Capital Management L.P.13,983$942.6K0.00%−822−5.6%Reduced
Umb Bank N A13,761$927.6K0.01%+63+0.5%Added
Alps Advisors Inc13,516$911.1K0.01%+6,372+89.2%Added
Louisiana State Employees Retirement System13,500$910.0K0.02%−100−0.7%Reduced
Fiduciary Trust Co13,496$909.8K0.01%+30+0.2%Added
Profund Advisors LLC13,433$905.5K0.03%+519+4.0%Added
Jump Financial, LLC13,383$902.1K0.01%+7,415+124.2%Added
Royal London Asset Management Ltd13,327$898.4K0.00%00.0%Unchanged
Gulf International Bank (UK) Ltd13,327$898.0K0.03%−614−4.4%Reduced
Infrastructure Capital Advisors, LLC13,396$895.1K0.11%+13,396New
Gladstone Institutional Advisory LLC13,169$887.7K0.03%+423+3.3%Added
Meeder Advisory Services, Inc.13,051$879.8K0.04%+2,661+25.6%Added
LMR Partners LLP12,974$874.6K0.01%+3,462+36.4%Added
Assetmark, Inc12,708$856.6K0.00%−20.0%Reduced
Maryland State Retirement & Pension System12,672$854.2K0.02%+696+5.8%Added
Gamco Investors, Inc. Et Al12,664$853.7K0.01%00.0%Unchanged
Uncommon Cents Investing LLC12,640$852.1K0.21%00.0%Unchanged
Captrust Financial Advisors12,623$850.9K0.00%+334+2.7%Added
Altfest L J & Co Inc12,524$844.2K0.09%−227−1.8%Reduced
Two Sigma Investments, LP12,450$839.3K0.00%−12,501−50.1%Reduced
BI Asset Management Fondsmaeglerselskab A/S12,395$836.0K0.01%−518,079−97.7%Reduced
Securian Asset Management, Inc12,330$831.2K0.02%−950−7.2%Reduced
Picton Mahoney Asset Management12,197$823.0K0.01%+12,197New
Dana Investment Advisors, Inc.12,122$817.1K0.02%−981−7.5%Reduced
Elevated Capital Advisors, LLC12,095$815.3K0.20%−1,706−12.4%Reduced
Investment Management Corp of Ontario12,042$811.8K0.01%−117,829−90.7%Reduced
Inceptionr LLC12,000$808.9K0.20%+12,000New
Merit Financial Group, LLC11,887$801.3K0.01%+2,187+22.5%Added
Modern Wealth Management, LLC11,823$797.0K0.02%+270+2.3%Added
New Mexico Educational Retirement Board11,600$782.0K0.02%−400−3.3%Reduced
Simplex Trading, LLC11,456$772.0K0.02%+10,325+912.9%Added
Summit Global Investments11,445$771.0K0.05%+11,445New
John G Ullman & Associates Inc11,300$761.7K0.10%00.0%Unchanged
Wedge Capital Management L L P11,277$760.2K0.01%−8,826−43.9%Reduced
Wexford Capital LP11,251$758.4K0.23%−30,601−73.1%Reduced
Bleakley Financial Group, LLC11,203$755.2K0.02%+11,203New
HBK Sorce Advisory LLC10,935$750.5K0.02%−647−5.6%Reduced
Norinchukin Bank, The11,063$745.8K0.01%+51+0.5%Added
Beacon Pointe Advisors, LLC11,034$743.8K0.01%+4,959+81.6%Added
Summit Trail Advisors, LLC10,968$739.4K0.01%+3,973+56.8%Added
White Pine Capital LLC10,929$736.7K0.21%00.0%Unchanged
Chatham Capital Group, Inc.10,850$731.4K0.11%−2,660−19.7%Reduced
West Financial Advisors, LLC10,768$725.9K0.12%00.0%Unchanged
Annex Advisory Services, LLC10,526$709.5K0.02%−1,801−14.6%Reduced
Associated Banc-Corp10,342$697.2K0.02%00.0%Unchanged
Continuum Advisory, LLC10,309$694.9K0.07%+1,303+14.5%Added
Tiaa Trust, National Association10,221$689.0K0.00%+1,759+20.8%Added
Independent Advisor Alliance10,001$674.2K0.02%+461+4.8%Added
Hanson & Doremus Investment Management9,951$671.0K0.08%−200−2.0%Reduced
IFP Advisors, Inc9,851$664.1K0.02%+72+0.7%Added
Private Advisor Group, LLC9,743$656.8K0.00%−2,785−22.2%Reduced
Wealth Advisors of Iowa, LLC9,653$650.7K0.22%+10.0%Added
Credit Agricole S A9,625$648.8K0.00%+9,625New
Allstate Corp9,473$638.6K0.01%+9,473New
Weitzel Financial Services, Inc.9,366$637.9K0.26%+52+0.6%Added
Nations Financial Group Inc,9,441$636.5K0.04%+20.0%Added
Nomura Holdings Inc9,357$630.8K0.00%+9,357New
MML Investors Services, LLC9,183$619.1K0.00%+185+2.1%Added
Omers Administration Corp9,155$617.1K0.00%00.0%Unchanged
RMG Wealth Management LLC9,009$614.8K0.09%−99−1.1%Reduced
Quadrant Capital Group LLC9,117$614.6K0.02%+158+1.8%Added
Virtus ETF Advisers LLC9,114$614.4K0.34%00.0%Unchanged
Charter Capital Management, LLC9,100$613.4K0.33%00.0%Unchanged
Empirical Finance, LLC9,089$612.7K0.03%+91+1.0%Added
Bessemer Group Inc9,052$611.0K0.00%+391+4.5%Added
Empire Financial Management Company, LLC9,000$606.7K0.14%00.0%Unchanged
Huntington National Bank8,977$605.1K0.00%−9−0.1%Reduced
HB Wealth Management, LLC8,886$599.0K0.00%+631+7.6%Added
Jacobson & Schmitt Advisors, LLC8,873$598.1K0.10%+8,873New
Wealthspire Advisors, LLC8,860$597.3K0.00%−261−2.9%Reduced
Contravisory Investment Management, Inc.8,803$593.4K0.11%−43−0.5%Reduced
Johnson Financial Group, Inc.8,799$593.1K0.02%+4,651+112.1%Added