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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, Q2 2025

Institutional positions in Alliant Energy Corp as of Jun 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
774
+5 vs. Q1 2025
Shares held
213.3M
+4.70M (+2.3%) vs. Q1 2025
Total value
$12.9B
−$518.1M (−3.9%) vs. Q1 2025
New holders
98
305 more added
Sold out
93
220 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 774 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 heldQ2 2025: $12.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Alliant Energy Corp; share changes are against Q1 2025.

Institutions holding LNT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Jane Street Group, LLC191,744$11.6M0.02%+132,570+224.0%Added
Stifel Financial Corp184,737$11.2M0.01%+57,998+45.8%Added
Wellington Management Group LLP184,602$11.2M0.00%−97,315−34.5%Reduced
Bank of Montreal179,791$10.9M0.01%−102,799−36.4%Reduced
National Bank of Canada179,608$10.9M0.01%−106,475−37.2%Reduced
Macquarie Group Ltd177,019$10.7M0.01%+2,975+1.7%Added
Susquehanna Fundamental Investments, LLC175,222$10.6M0.29%−21,550−11.0%Reduced
Allspring Global Investments Holdings, LLC172,464$10.6M0.02%−421−0.2%Reduced
Cetera Investment Advisers174,831$10.6M0.02%+14,547+9.1%Added
Magellan Asset Management Ltd172,102$10.4M0.12%−1,298−0.7%Reduced
Renaissance Technologies LLC161,821$9.79M0.01%+32,621+25.2%Added
Freestone Grove Partners LP160,286$9.69M0.07%−237,851−59.7%Reduced
Dorsey & Whitney Trust CO LLC159,242$9.63M0.51%+925+0.6%Added
Asset Management One Co.,Ltd.153,366$9.27M0.03%−15,615−9.2%Reduced
Van Eck Associates Corp149,684$9.05M0.01%+7,128+5.0%Added
Korea Investment CORP146,874$8.88M0.02%+19,900+15.7%Added
Westwood Holdings Group Inc.142,780$8.63M0.06%+10,830+8.2%Added
Mitsubishi UFJ Trust & Banking Corp142,661$8.63M0.02%+2,403+1.7%Added
Chevy Chase Trust Holdings, Inc.136,182$8.23M0.02%+405+0.3%Added
HRT Financial LP134,140$8.11M0.04%+104,517+352.8%Added
Kempen Capital Management N.V.130,056$7.86M0.07%+130,056New
Investment Management Corp of Ontario129,871$7.85M0.11%+93,508+257.2%Added
BTG Pactual Asset Management US LLC129,848$7.85M1.06%+129,848New
Great West Life Assurance Co125,948$7.63M0.01%+4,467+3.7%Added
Commonwealth Equity Services, LLC124,598$7.53M0.01%+6,572+5.6%Added
Treasurer of the State of North Carolina119,980$7.25M0.02%+2,731+2.3%Added
Advisor Group Holdings, Inc.114,428$6.92M0.01%+21,274+22.8%Added
TD Asset Management Inc113,037$6.84M0.01%+941+0.8%Added
ExodusPoint Capital Management, LP112,245$6.79M0.08%−16,289−12.7%Reduced
Toronto Dominion Bank108,010$6.53M0.01%+17,299+19.1%Added
New York State Common Retirement Fund107,236$6.48M0.01%+3,500+3.4%Added
Resona Asset Management Co.,Ltd.102,337$6.19M0.03%+8,175+8.7%Added
US Bancorp101,334$6.13M0.01%−2,873−2.8%Reduced
Guggenheim Capital LLC100,866$6.10M0.05%+572+0.6%Added
Zimmer Partners, LP100,000$6.05M0.14%+100,000New
Ensign Peak Advisors, Inc99,155$6.00M0.01%+16,363+19.8%Added
Cambridge Investment Research Advisors, Inc.97,991$5.93M0.02%+5,104+5.5%Added
Mn Services Vermogensbeheer B.V.96,000$5.80M0.04%+96,000New
Standard Life Aberdeen plc95,987$5.80M0.01%+7,328+8.3%Added
SEI Investments Co91,645$5.54M0.01%−85,034−48.1%Reduced
AQR Capital Management LLC87,871$5.31M0.00%+21,170+31.7%Added
Wealthfront Advisers LLC87,356$5.28M0.01%−28,956−24.9%Reduced
Dean Investment Associates, LLC85,723$5.18M0.76%−48,122−36.0%Reduced
Public Employees Retirement System of Ohio85,692$5.18M0.02%+850+1.0%Added
New England Asset Management Inc85,360$5.16M0.80%+445+0.5%Added
Nomura Asset Management Co Ltd85,071$5.14M0.01%+843+1.0%Added
Jones Financial Companies LLLP85,134$5.14M0.00%+7,556+9.7%Added
Alerus Financial NA84,450$5.11M0.37%+84,450New
United Capital Financial Advisers, LLC83,692$5.06M0.04%−130.0%Reduced
B. Metzler seel. Sohn & Co. AG82,913$5.01M0.05%+4,762+6.1%Added
State of New Jersey Common Pension Fund D82,249$4.97M0.02%00.0%Unchanged
Brinker Capital Investments, LLC82,219$4.97M0.04%+8,994+12.3%Added
Harbour Investments, Inc.81,179$4.91M0.12%+1,893+2.4%Added
O'Shaughnessy Asset Management, LLC80,337$4.86M0.03%−154−0.2%Reduced
Thompson Investment Management, Inc.79,863$4.83M0.68%−146−0.2%Reduced
Sagefield Capital LP79,815$4.83M0.67%−38,410−32.5%Reduced
Creative Planning78,993$4.78M0.00%−3,994−4.8%Reduced
United Asset Strategies, Inc.77,972$4.71M0.40%−404−0.5%Reduced
Assenagon Asset Management S.A.76,738$4.64M0.01%+71,376+1,331.1%Added
Citadel Advisors LLC75,695$4.58M0.00%+74,065+4,543.9%Added
Voya Investment Management LLC75,586$4.57M0.00%−2,376−3.0%Reduced
Arizona State Retirement System75,056$4.54M0.03%+857+1.2%Added
Mirae Asset Global ETFs Holdings Ltd.74,419$4.50M0.01%+19,006+34.3%Added
City State Bank72,395$4.38M1.37%+444+0.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)71,783$4.34M0.01%+1,936+2.8%Added
Money Concepts Capital Corp71,394$4.32M0.29%+1,954+2.8%Added
State of Michigan Retirement System69,859$4.22M0.02%+200+0.3%Added
Wealth Enhancement Advisory Services, LLC68,459$4.21M0.01%+2,874+4.4%Added
RWC Asset Management LLP69,562$4.21M0.22%−185−0.3%Reduced
Daiwa Securities Group Inc.68,734$4.16M0.02%+12,957+23.2%Added
Aventail Capital Group, LP67,770$4.10M0.18%−16,486−19.6%Reduced
ProShare Advisors LLC66,327$4.01M0.01%+5,854+9.7%Added
Morton Community Bank64,426$3.90M0.97%+1,693+2.7%Added
Forsta Ap-Fonden63,500$3.84M0.03%+600+1.0%Added
Czech National Bank62,789$3.80M0.03%+3,853+6.5%Added
Cerity Partners LLC60,718$3.67M0.01%+14,790+32.2%Added
Grace & White Inc60,401$3.65M0.67%−1,324−2.1%Reduced
Delos Wealth Advisors, LLC59,854$3.62M2.83%−5,456−8.4%Reduced
Quantinno Capital Management LP58,133$3.52M0.02%+12,212+26.6%Added
Comerica Bank57,421$3.47M0.01%+339+0.6%Added
RSM US Wealth Management LLC57,274$3.46M0.05%−1,017−1.7%Reduced
GWN Securities Inc.56,384$3.42M0.63%−6,647−10.5%Reduced
Illinois Municipal Retirement Fund56,154$3.40M0.05%−60,948−52.0%Reduced
Alpha Omega Wealth Management LLC54,192$3.28M0.59%−2,253−4.0%Reduced
M&T Bank Corp53,927$3.26M0.01%−1,933−3.5%Reduced
IFM Investors Pty Ltd53,514$3.24M0.03%+2,272+4.4%Added
Public Sector Pension Investment Board52,836$3.19M0.01%−15,822−23.0%Reduced
DekaBank Deutsche Girozentrale52,190$3.19M0.01%+141+0.3%Added
Janney Montgomery Scott LLC52,484$3.17M0.01%−31,331−37.4%Reduced
Xponance, Inc.52,455$3.17M0.03%+15,360+41.4%Added
Ramirez Asset Management, Inc.52,376$3.17M0.48%+17,200+48.9%Added
Mariner, LLC51,546$3.12M0.00%+7,874+18.0%Added
Fuller & Thaler Asset Management, Inc.51,332$3.10M0.01%−88−0.2%Reduced
American Century Companies Inc51,164$3.09M0.00%+1,476+3.0%Added
Amalgamated Bank50,875$3.08M0.02%+1,085+2.2%Added
State of Tennessee, Treasury Department50,380$3.05M0.01%−7,323−12.7%Reduced
Welch & Forbes LLC50,264$3.04M0.04%−312−0.6%Reduced
Hills Bank & Trust Co50,244$3.04M0.19%+5,997+13.6%Added
Yousif Capital Management, LLC50,173$3.03M0.03%+996+2.0%Added
ISAM Funds (UK) Ltd49,561$3.00M0.66%+49,561New