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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
Binnacle Investments Inc305$20.6K0.01%+240+369.2%Added
Gables Capital Management Inc.310$20.9K0.01%00.0%Unchanged
MV Capital Management, Inc.332$22.4K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators340$22.9K0.01%00.0%Unchanged
Barrett & Company, Inc.350$23.6K0.01%00.0%Unchanged
Hemington Wealth Management360$24.0K0.00%+24+7.1%Added
High Note Wealth, LLC360$24.3K0.00%00.0%Unchanged
New Age Alpha Advisors, LLC381$25.7K0.00%00.0%Unchanged
Measured Wealth Private Client Group, LLC407$27.4K0.01%+407New
Hughes Financial Services, LLC416$27.9K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC415$28.0K0.00%00.0%Unchanged
Clear Street Markets LLC443$29.9K0.01%+270+156.1%Added
Alpine Bank Wealth Management446$30.1K0.00%00.0%Unchanged
Financial Freedom, LLC451$30.4K0.02%00.0%Unchanged
MCF Advisors LLC456$30.7K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.466$31.4K0.00%+460+7,666.7%Added
MRP Capital Investments, LLC521$31.5K0.03%+521New
Manchester Capital Management LLC470$31.7K0.00%−8−1.7%Reduced
Eastern Bank500$33.7K0.00%00.0%Unchanged
Country Trust Bank500$33.7K0.00%00.0%Unchanged
Global Trust Asset Management, LLC500$33.7K0.02%00.0%Unchanged
Rossby Financial, LCC508$34.1K0.01%+28+5.8%Added
First Command Advisory Services, Inc.530$35.7K0.00%00.0%Unchanged
MAI Capital Management546$36.8K0.00%−518−48.7%Reduced
TD Private Client Wealth LLC563$38.0K0.00%+6+1.1%Added
Hantz Financial Services, Inc.560$38.0K0.00%+403+256.7%Added
SBI Securities Co., Ltd.567$38.2K0.00%−4−0.7%Reduced
TSFG, LLC594$40.0K0.01%+62+11.7%Added
Kimelman & Baird, LLC600$40.4K0.00%00.0%Unchanged
Sentry Investment Management LLC652$44.0K0.03%+652New
Onefund, LLC685$46.2K0.03%+28+4.3%Added
Parkside Financial Bank & Trust699$47.1K0.00%+9+1.3%Added
McIlrath & Eck, LLC737$49.7K0.01%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.752$50.7K0.00%+752New
Newbridge Financial Services Group, Inc.761$51.3K0.01%+6+0.8%Added
Quantbot Technologies LP797$53.7K0.00%+797New
Loomis Sayles & Co L P835$56.3K0.00%+14+1.7%Added
Brown Brothers Harriman & Co850$57.3K0.00%+313+58.3%Added
Cromwell Holdings LLC865$58.3K0.03%00.0%Unchanged
CoreCap Advisors, LLC882$59.5K0.00%+13+1.5%Added
Quent Capital, LLC919$62.0K0.01%+919New
Central Trust Co942$63.5K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.985$66.1K0.00%−114−10.4%Reduced
Resources Management Corp1,000$67.0K0.01%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC1,004$67.7K0.12%00.0%Unchanged
Spire Wealth Management1,034$69.7K0.00%−3−0.3%Reduced
Perritt Capital Management Inc1,036$69.9K0.03%00.0%Unchanged
Creekmur Asset Management LLC1,060$71.5K0.01%00.0%Unchanged
Ostrum Asset Management1,076$72.5K0.00%−34−3.1%Reduced
Clearstead Advisors, LLC1,085$73.1K0.00%−449−29.3%Reduced
Tortoise Investment Management, LLC1,137$76.6K0.01%+6+0.5%Added
Guinness Asset Management LTD1,189$79.4K0.00%+1,189New
Graney & King, LLC1,183$79.7K0.06%00.0%Unchanged
Trust Co of Toledo NA1,200$80.9K0.01%00.0%Unchanged
Ransom Advisory, Ltd1,203$81.1K0.04%00.0%Unchanged
N.E.W. Advisory Services LLC1,372$92.5K0.01%00.0%Unchanged
Clarity Asset Management, Inc.1,404$94.6K0.05%−278−16.5%Reduced
TFC Financial Management1,412$95.2K0.01%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC1,450$97.7K0.02%−14−1.0%Reduced
Geneos Wealth Management Inc.1,452$97.8K0.00%−23−1.6%Reduced
Capital Investment Advisory Services, LLC1,462$98.6K0.01%00.0%Unchanged
New England Capital Financial Advisors LLC1,486$100.2K0.04%00.0%Unchanged
Caldwell Trust Co1,555$104.8K0.01%00.0%Unchanged
Siemens Fonds Invest GmbH1,564$105.4K0.01%−22−1.4%Reduced
EverSource Wealth Advisors, LLC1,590$107.2K0.00%+7+0.4%Added
Aspect Partners, LLC1,611$108.6K0.05%00.0%Unchanged
DT Investment Partners, LLC1,636$110.3K0.01%00.0%Unchanged
Bartlett & Co. Wealth Management LLC1,650$111.2K0.00%+1,156+234.0%Added
Hoese & Co LLP1,675$112.9K0.09%00.0%Unchanged
Capital Advisors, Ltd. LLC1,699$115.0K0.01%00.0%Unchanged
Acadian Asset Management LLC1,732$116.0K0.00%00.0%Unchanged
Whittier Trust Co1,741$116.3K0.00%−1,200−40.8%Reduced
SRS Capital Advisors, Inc.1,769$119.3K0.00%+1,708+2,800.0%Added
Oakworth Capital, Inc.1,813$122.2K0.01%00.0%Unchanged
Parallel Advisors, LLC1,849$124.6K0.00%+364+24.5%Added
AdvisorNet Financial, Inc1,849$124.7K0.01%+4+0.2%Added
Trust Co of Vermont1,875$126.4K0.01%−1,769−48.5%Reduced
Centaurus Financial, Inc.1,879$127.0K0.01%−17−0.9%Reduced
Private Wealth Asset Management, LLC2,009$135.4K0.02%00.0%Unchanged
Tower Trust & Investment Co2,020$136.1K0.09%00.0%Unchanged
Mark Sheptoff Financial Planning, LLC2,150$144.9K0.07%−200−8.5%Reduced
Whittier Trust Co of Nevada Inc2,171$145.0K0.00%00.0%Unchanged
10Elms LLP2,388$161.0K0.14%00.0%Unchanged
Mather Group, LLC.2,395$161.4K0.00%+2,395New
CX Institutional2,530$171.0K0.01%+63+2.6%Added
Massmutual Trust Co FSB2,586$174.3K0.00%−13−0.5%Reduced
FIL Ltd2,600$175.3K0.00%00.0%Unchanged
Root Financial Partners, LLC2,622$176.7K0.01%+2,622New
IAG Wealth Partners, LLC2,677$180.5K0.02%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,683$180.9K0.00%+1,120+71.7%Added
Virtus Investment Advisers, Inc.2,689$181.3K0.05%−145−5.1%Reduced
NBT Bank N A135$184.4K0.01%−2,598−95.1%Reduced
Ci Investments Inc.2,791$188.0K0.00%−1,200−30.1%Reduced
DAGCO, Inc.2,934$197.8K0.05%+22+0.8%Added
Richmond Investment Services, LLC2,999$202.2K0.04%+2,999New
Legacy Financial Group LLC3,021$203.6K0.03%+3,021New
Livforsakringsbolaget Skandia, Omsesidigt3,033$204.4K0.01%−1,000−24.8%Reduced
Adapt Wealth Advisors, LLC3,035$204.6K0.08%+3,035New
Checchi Capital Advisers, LLC3,047$205.4K0.01%+3,047New
Simplicity Wealth,LLC3,049$205.6K0.01%+3,049New