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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 2026

Institutional positions in Alliant Energy Corp as of Jun 30, 2026. 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
883
+31 vs. Q1 2026
Shares held
253.2M
+25.5M (+11.2%) vs. Q1 2026
Total value
$19.3B
+$2.98B (+18.3%) vs. Q1 2026
New holders
96
366 more added
Sold out
65
252 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 883 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 2026: $19.3B
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 2026

Shares, value and share of portfolio for each institution holding Alliant Energy Corp; share changes are against Q1 2026.

Institutions holding LNT in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
North Star Investment Management Corp.21,167$1.61M0.09%00.0%Unchanged
Pinebridge Investments LLC21,038$1.60M0.01%+730+3.6%Added
Infrastructure Capital Advisors, LLC20,948$1.60M0.12%+3,456+19.8%Added
Captrust Financial Advisors20,896$1.59M0.00%+3,924+23.1%Added
Ninepoint Partners LP20,882$1.59M0.14%00.0%Unchanged
Ameritas Investment Partners, Inc.20,350$1.55M0.04%−92−0.5%Reduced
Mizuho Securities USA LLC20,220$1.54M0.02%+4,680+30.1%Added
Sugar Maple Asset Management, LLC20,183$1.54M0.99%00.0%Unchanged
Stonebridge Capital Advisors LLC20,102$1.53M0.10%−148−0.7%Reduced
Teachers Retirement System of the State of Kentucky20,106$1.53M0.01%00.0%Unchanged
Goldstein Advisors, LLC20,055$1.53M0.14%+88+0.4%Added
RIA Advisory Group LLC19,688$1.50M0.33%+1,181+6.4%Added
Gulf International Bank (UK) Ltd19,643$1.50M0.03%−133−0.7%Reduced
Pacer Advisors, Inc.19,202$1.47M0.00%−10,878−36.2%Reduced
Storgate, LLC18,974$1.45M0.30%+11,378+149.8%Added
Vident Advisory, LLC18,539$1.41M0.01%+1,927+11.6%Added
Town & Country Bank & Trust CO dba First Bankers Trust CO18,520$1.41M0.44%−400−2.1%Reduced
Arvest Investments, Inc.18,286$1.40M0.17%−483−2.6%Reduced
Saudi Central Bank18,080$1.38M0.02%+8,592+90.6%Added
Savant Capital, LLC18,044$1.38M0.00%+1,745+10.7%Added
Westpac Banking Corp17,945$1.37M0.08%−2,852−13.7%Reduced
Susquehanna Portfolio Strategies, LLC17,733$1.35M0.02%−140,834−88.8%Reduced
Crossmark Global Holdings, Inc.17,700$1.35M0.02%+422+2.4%Added
City State Bank17,644$1.35M0.31%−55,385−75.8%Reduced
Wiley Bros.-Aintree Capital, LLC17,132$1.31M0.01%−88−0.5%Reduced
Jane Street Group, LLC17,114$1.31M0.00%+908+5.6%Added
Koshinski Asset Management, Inc.16,821$1.28M0.07%−429−2.5%Reduced
Kestra Advisory Services, LLC16,808$1.28M0.00%−33,583−66.6%Reduced
Fideuram Asset Management (Ireland) dac17,379$1.28M0.02%+1,664+10.6%Added
Blair William & Co16,437$1.25M0.00%−1,018−5.8%Reduced
Everstar Asset Management, LLC16,329$1.25M0.60%+70+0.4%Added
Everett Harris & Co16,272$1.24M0.02%00.0%Unchanged
Basepoint Wealth LLC16,230$1.24M0.71%−880−5.1%Reduced
Kentucky Retirement Systems16,215$1.24M0.03%+16,215New
PFG Investments, LLC16,212$1.24M0.05%+68+0.4%Added
Lido Advisors, LLC16,138$1.23M0.00%+903+5.9%Added
Terry L. Blaker16,112$1.23M0.04%−209−1.3%Reduced
Holocene Advisors, LP16,110$1.23M0.00%−76,095−82.5%Reduced
KLCM Advisors, Inc.15,936$1.22M0.10%−118−0.7%Reduced
Meeder Advisory Services, Inc.15,921$1.21M0.04%+2,788+21.2%Added
Nordea Investment Management AB15,702$1.20M0.00%+509+3.4%Added
Bank & Trust Co15,670$1.20M0.75%00.0%Unchanged
Nykredit A/S15,348$1.17M0.00%+15,348New
GuidedMoney, LLC15,333$1.17M0.54%00.0%Unchanged
Advisor OS, LLC15,314$1.17M0.08%−1,126−6.8%Reduced
Qsemble Capital Management, LP14,989$1.14M0.15%−17,039−53.2%Reduced
Oppenheimer & Co Inc14,921$1.14M0.01%−150−1.0%Reduced
Umb Bank N A14,555$1.11M0.01%+62+0.4%Added
Chicago Capital, LLC14,379$1.10M0.03%00.0%Unchanged
HB Wealth Management, LLC14,242$1.09M0.01%+3,936+38.2%Added
Blackhawk Capital Partners LLC.14,151$1.08M0.35%−1,019−6.7%Reduced
Assetmark, Inc14,072$1.07M0.00%+560+4.1%Added
Hartford Investment Management Co14,053$1.07M0.03%−604−4.1%Reduced
Federation des caisses Desjardins du Quebec14,032$1.07M0.00%+4,731+50.9%Added
Dai-Ichi Life Insurance Company, Ltd13,996$1.07M0.02%00.0%Unchanged
Fiduciary Trust Co13,569$1.04M0.01%−7−0.1%Reduced
Frec Markets, Inc.13,541$1.03M0.09%+8,048+146.5%Added
Gladstone Institutional Advisory LLC13,529$1.03M0.03%−99−0.7%Reduced
Equitable Holdings, Inc.13,454$1.03M0.01%+6,303+88.1%Added
Madison Wealth Partners, Inc13,438$1.03M0.13%−129−1.0%Reduced
Maryland State Retirement & Pension System13,375$1.02M0.02%+703+5.5%Added
Omers Administration Corp13,254$1.01M0.01%+1,536+13.1%Added
Louisiana State Employees Retirement System13,200$1.01M0.01%+100+0.8%Added
Norinchukin Bank, The13,033$994.3K0.01%+1,855+16.6%Added
New Mexico Educational Retirement Board12,800$977.0K0.02%+900+7.6%Added
Bleakley Financial Group, LLC12,800$976.5K0.01%+1,194+10.3%Added
Empowered Funds, LLC12,779$974.9K0.01%+187+1.5%Added
Nomura Holdings Inc12,542$956.8K0.00%+6,947+124.2%Added
Exchange Traded Concepts, LLC12,541$956.8K0.00%−168−1.3%Reduced
PEAK6 LLC12,539$956.6K0.02%+12,539New
Tokio Marine Asset Management Co Ltd12,442$949.2K0.03%+3,687+42.1%Added
Oversea-Chinese Banking CORP Ltd12,333$940.9K0.02%00.0%Unchanged
Modern Wealth Management, LLC12,253$934.8K0.01%+237+2.0%Added
Tiaa-Cref Individual & Institutional Services, LLC12,253$934.8K0.00%−591−4.6%Reduced
VERITY Wealth Advisors12,225$932.6K0.56%00.0%Unchanged
Uncommon Cents Investing LLC12,074$921.1K0.20%+250+2.1%Added
Quadrant Capital Group LLC11,844$903.6K0.02%+35+0.3%Added
Atomi Financial Group, Inc.11,769$897.9K0.02%+816+7.5%Added
Gsa Capital Partners LLP11,759$897.0K0.06%+7,566+180.4%Added
Apella Capital, LLC11,528$895.1K0.01%+54+0.5%Added
QRG Capital Management, Inc.11,340$865.3K0.01%−490−4.1%Reduced
Dana Investment Advisors, Inc.11,322$863.8K0.02%00.0%Unchanged
John G Ullman & Associates Inc11,300$862.1K0.10%00.0%Unchanged
Panagora Asset Management Inc11,295$861.7K0.00%−53,305−82.5%Reduced
Foundations Investment Advisors, LLC11,284$860.8K0.01%+1,782+18.8%Added
Gamco Investors, Inc. Et Al11,257$858.8K0.01%00.0%Unchanged
Royal London Asset Management Ltd11,137$849.6K0.00%−2,181−16.4%Reduced
SBI Okasan Asset Management Co.Ltd.11,000$849.0K0.03%00.0%Unchanged
Bridgefront Capital, LLC11,102$847.0K0.22%+33+0.3%Added
Ronald Blue Trust, Inc.11,012$840.1K0.01%−866−7.3%Reduced
XTX Topco Ltd10,967$836.7K0.01%−33,611−75.4%Reduced
White Pine Capital LLC10,889$830.7K0.20%00.0%Unchanged
Quadrature Capital Ltd10,870$829.3K0.01%+10,870New
West Financial Advisors, LLC10,768$821.5K0.12%00.0%Unchanged
Private Advisor Group, LLC10,722$818.0K0.00%+5,076+89.9%Added
Coastline Trust Co10,650$812.5K0.07%00.0%Unchanged
Mirabella Financial Services LLP10,641$811.8K0.08%−32,684−75.4%Reduced
IFP Advisors, Inc10,639$811.6K0.01%+841+8.6%Added
Beacon Pointe Advisors, LLC10,560$805.7K0.00%−1,607−13.2%Reduced
Associated Banc-Corp10,342$789.0K0.02%00.0%Unchanged