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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, Q1 2026

Institutional positions in Alliant Energy Corp as of Mar 31, 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
858
+42 vs. Q4 2025
Shares held
239.0M
+42.5M (+21.6%) vs. Q4 2025
Total value
$17.1B
+$4.37B (+34.2%) vs. Q4 2025
New holders
106
308 more added
Sold out
64
269 more reduced

18 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 858 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 heldQ1 2026: $17.1B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Alliant Energy Corp; share changes are against Q4 2025.

Institutions holding LNT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Teachers Retirement System of the State of Kentucky20,106$1.44M0.01%00.0%Unchanged
Goldstein Advisors, LLC19,967$1.43M0.16%+55+0.3%Added
Gulf International Bank (UK) Ltd19,776$1.42M0.03%+6,395+47.8%Added
Mariner, LLC19,627$1.41M0.00%−615−3.0%Reduced
National Pension Service19,497$1.40M0.00%+9,213+89.6%Added
Town & Country Bank & Trust CO dba First Bankers Trust CO18,920$1.36M0.46%−738−3.8%Reduced
Arvest Investments, Inc.18,769$1.35M0.18%−456−2.4%Reduced
RIA Advisory Group LLC18,507$1.33M0.32%+1,574+9.3%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management18,452$1.32M0.02%+18,452New
Jain Global LLC17,798$1.28M0.02%+17,798New
Ethic Inc.17,613$1.26M0.02%−1,282−6.8%Reduced
Infrastructure Capital Advisors, LLC17,492$1.26M0.12%+3,328+23.5%Added
Blair William & Co17,455$1.25M0.00%−653−3.6%Reduced
Crossmark Global Holdings, Inc.17,278$1.24M0.02%−100−0.6%Reduced
Koshinski Asset Management, Inc.17,250$1.24M0.08%+11+0.1%Added
Wiley Bros.-Aintree Capital, LLC17,220$1.24M0.01%+290+1.7%Added
Basepoint Wealth LLC17,110$1.23M0.70%−20.0%Reduced
Abn Amro Investment Solutions17,058$1.22M0.02%+2,118+14.2%Added
Captrust Financial Advisors16,972$1.22M0.00%+4,154+32.4%Added
Federated Hermes, Inc.16,622$1.19M0.00%+540+3.4%Added
Vident Advisory, LLC16,612$1.19M0.01%+5,052+43.7%Added
Advisor OS, LLC16,440$1.18M0.09%+283+1.8%Added
Terry L. Blaker16,321$1.17M0.04%−3,475−17.6%Reduced
Savant Capital, LLC16,299$1.17M0.01%+1,563+10.6%Added
Everett Harris & Co16,272$1.17M0.02%00.0%Unchanged
Everstar Asset Management, LLC16,259$1.17M0.62%+361+2.3%Added
Jane Street Group, LLC16,206$1.16M0.00%−77,260−82.7%Reduced
PFG Investments, LLC16,144$1.16M0.05%−3,197−16.5%Reduced
KLCM Advisors, Inc.16,054$1.15M0.10%00.0%Unchanged
Bank & Trust Co15,670$1.12M0.76%00.0%Unchanged
Mizuho Securities USA LLC15,540$1.12M0.03%−3,177−17.0%Reduced
GuidedMoney, LLC15,333$1.10M0.58%−2,104−12.1%Reduced
Lido Advisors, LLC15,235$1.09M0.00%−3,095−16.9%Reduced
Blackhawk Capital Partners LLC.15,170$1.09M0.40%+114+0.8%Added
Oppenheimer & Co Inc15,071$1.08M0.01%+15,071New
Nordea Investment Management AB15,193$1.07M0.00%+542+3.7%Added
Fideuram Asset Management (Ireland) dac15,715$1.05M0.13%+14,865+1,748.8%Added
Hartford Investment Management Co14,657$1.05M0.03%−175−1.2%Reduced
LMR Partners LLP14,635$1.05M0.01%−1,097−7.0%Reduced
Umb Bank N A14,493$1.04M0.01%−1,553−9.7%Reduced
Chicago Capital, LLC14,379$1.03M0.03%00.0%Unchanged
Dai-Ichi Life Insurance Company, Ltd13,996$1.00M0.03%00.0%Unchanged
Gladstone Institutional Advisory LLC13,628$978.0K0.04%+459+3.5%Added
Fiduciary Trust Co13,576$974.2K0.01%+43+0.3%Added
Madison Wealth Partners, Inc13,567$973.6K0.16%−6,202−31.4%Reduced
Assetmark, Inc13,512$969.6K0.00%+390+3.0%Added
Royal London Asset Management Ltd13,318$955.7K0.00%00.0%Unchanged
Meeder Advisory Services, Inc.13,133$942.4K0.04%−1,261−8.8%Reduced
Louisiana State Employees Retirement System13,100$940.1K0.02%00.0%Unchanged
Tiaa-Cref Individual & Institutional Services, LLC12,844$921.7K0.00%+12,844New
Engineers Gate Manager LP12,756$915.4K0.01%+12,756New
Exchange Traded Concepts, LLC12,709$912.0K0.01%−842−6.2%Reduced
Maryland State Retirement & Pension System12,672$909.3K0.02%00.0%Unchanged
Empowered Funds, LLC12,592$903.6K0.01%+12,592New
Oversea-Chinese Banking CORP Ltd12,333$885.0K0.03%+2,132+20.9%Added
VERITY Wealth Advisors12,225$877.3K0.59%−4,218−25.7%Reduced
Stevens Capital Management LP12,224$877.0K0.14%+12,224New
Beacon Pointe Advisors, LLC12,167$873.1K0.00%+199+1.7%Added
Modern Wealth Management, LLC12,016$864.5K0.01%+64+0.5%Added
New Mexico Educational Retirement Board11,900$854.0K0.03%00.0%Unchanged
Walleye Trading LLC11,888$853.1K0.02%−2,591−17.9%Reduced
Ronald Blue Trust, Inc.11,878$852.4K0.01%−1,316−10.0%Reduced
QRG Capital Management, Inc.11,830$848.9K0.01%+3,250+37.9%Added
Uncommon Cents Investing LLC11,824$848.5K0.20%+70+0.6%Added
Quadrant Capital Group LLC11,809$847.4K0.03%−62−0.5%Reduced
Omers Administration Corp11,718$840.9K0.01%+2,563+28.0%Added
Apella Capital, LLC11,474$835.7K0.01%+5,380+88.3%Added
Bleakley Financial Group, LLC11,606$832.9K0.01%−100−0.9%Reduced
Venture Visionary Partners LLC11,431$820.3K0.03%+2,080+22.2%Added
Dana Investment Advisors, Inc.11,322$812.5K0.02%−1,600−12.4%Reduced
John G Ullman & Associates Inc11,300$810.9K0.11%00.0%Unchanged
Tower Research Capital LLC (TRC)11,289$810.1K0.02%−1,030−8.4%Reduced
Gamco Investors, Inc. Et Al11,257$807.8K0.01%−1,407−11.1%Reduced
Norinchukin Bank, The11,178$802.1K0.01%+36+0.3%Added
Bridgefront Capital, LLC11,069$794.3K0.20%+11,069New
Man Group plc11,003$789.6K0.00%−70,214−86.5%Reduced
SBI Okasan Asset Management Co.Ltd.11,000$786.4K0.03%00.0%Unchanged
Atomi Financial Group, Inc.10,953$786.0K0.02%+4,638+73.4%Added
White Pine Capital LLC10,889$781.4K0.21%00.0%Unchanged
HBK Sorce Advisory LLC10,882$780.9K0.02%−7−0.1%Reduced
Y-Intercept (Hong Kong) Ltd10,788$774.1K0.01%+10,788New
West Financial Advisors, LLC10,768$772.7K0.13%00.0%Unchanged
Ellenbecker Investment Group10,710$768.6K0.10%+1,946+22.2%Added
Coastline Trust Co10,650$764.2K0.08%−8,220−43.6%Reduced
MUFG Securities EMEA plc10,547$756.9K0.01%00.0%Unchanged
Independent Advisor Alliance10,363$743.7K0.01%−80−0.8%Reduced
Associated Banc-Corp10,342$742.1K0.02%+2,000+24.0%Added
HB Wealth Management, LLC10,306$739.6K0.00%+503+5.1%Added
RMG Wealth Management LLC9,967$722.3K0.08%00.0%Unchanged
Altfest L J & Co Inc9,902$710.5K0.08%−135−1.3%Reduced
Annex Advisory Services, LLC9,897$710.2K0.01%−525−5.0%Reduced
Hanson & Doremus Investment Management9,806$704.0K0.08%−69−0.7%Reduced
VestGen Advisors, LLC9,697$703.9K0.02%+3,979+69.6%Added
IFP Advisors, Inc9,798$703.1K0.01%+110+1.1%Added
Farther Finance Advisors, LLC9,754$701.7K0.01%+248+2.6%Added
Chatham Capital Group, Inc.9,750$699.7K0.10%00.0%Unchanged
MQS Management LLC9,678$694.5K0.47%+9,678New
Wealth Advisors of Iowa, LLC9,654$692.8K0.21%00.0%Unchanged
Huntington National Bank9,617$690.1K0.00%+605+6.7%Added
Foundations Investment Advisors, LLC9,502$681.9K0.01%+772+8.8%Added