• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SCHEDULE 13G/A filed by Alliant Energy Corporation

    3/26/26 3:25:54 PM ET
    $LNT
    Power Generation
    Utilities
    Get the next $LNT alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 12)


    Alliant Energy Corp

    (Name of Issuer)


    Common Stock

    (Title of Class of Securities)




    018802108

    (CUSIP Number)
    03/13/2026

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox checked   Rule 13d-1(b)
    Checkbox not checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)




    schemaVersion:


    SCHEDULE 13G

    CUSIP Number(s):
    018802108


    1Names of Reporting Persons

    The Vanguard Group
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    PENNSYLVANIA
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    0.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0 %
    12Type of Reporting Person (See Instructions)

    IA

    Comment for Type of Reporting Person:   On January 12, 2026, The Vanguard Group, Inc. went through an internal realignment. In accordance with SEC Release No. 34-39538 (January 12, 1998), certain subsidiaries or business divisions of subsidiaries of The Vanguard Group, Inc., that formerly had, or were deemed to have, beneficial ownership with The Vanguard Group, Inc., will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on such release. These subsidiaries and/or business divisions pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment. Further in accordance with SEC Release No. 34-39538 (January 12, 1998), The Vanguard Group, Inc. no longer has, or is deemed to have, beneficial ownership over securities beneficially owned by such subsidiaries and/or business divisions.


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    Alliant Energy Corp
    (b)Address of issuer's principal executive offices:

    4902 North Biltmore Lane, Madison, WI, 53718
    Item 2. 
    (a)Name of person filing:

    The Vanguard Group
    (b)Address or principal business office or, if none, residence:

    100 Vanguard Blvd.,, Malvern, PA, 19355
    (c)Citizenship:

    PA
    (d)Title of class of securities:

    Common Stock
    (e)CUSIP No.:

    Item 3.If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    0
    (b)Percent of class:

    0  %
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    0

     (ii) Shared power to vote or to direct the vote:

    0

     (iii) Sole power to dispose or to direct the disposition of:

    0

     (iv) Shared power to dispose or to direct the disposition of:

    0

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Checkbox checked    Ownership of 5 percent or less of a class
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.


    The Vanguard Group, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    The Vanguard Group
     
    Signature:Ashley Grim
    Name/Title:Head of Global Fund Administration
    Date:03/26/2026
    Get the next $LNT alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $LNT

    DatePrice TargetRatingAnalyst
    3/11/2026$82.00Outperform
    RBC Capital Mkts
    1/21/2026$67.00Underweight → Equal Weight
    Barclays
    1/20/2026$71.00Overweight
    Wells Fargo
    1/13/2026$71.00Market Perform → Outperform
    BMO Capital Markets
    1/9/2026Buy → Hold
    Argus
    10/24/2025$79.00Neutral → Buy
    UBS
    7/7/2025$68.00Peer Perform → Outperform
    Wolfe Research
    5/20/2025$71.00Hold → Buy
    Jefferies
    More analyst ratings

    $LNT
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    RBC Capital Mkts initiated coverage on Alliant Energy with a new price target

    RBC Capital Mkts initiated coverage of Alliant Energy with a rating of Outperform and set a new price target of $82.00

    3/11/26 8:36:17 AM ET
    $LNT
    Power Generation
    Utilities

    Alliant Energy upgraded by Barclays with a new price target

    Barclays upgraded Alliant Energy from Underweight to Equal Weight and set a new price target of $67.00

    1/21/26 8:25:13 AM ET
    $LNT
    Power Generation
    Utilities

    Wells Fargo initiated coverage on Alliant Energy with a new price target

    Wells Fargo initiated coverage of Alliant Energy with a rating of Overweight and set a new price target of $71.00

    1/20/26 9:22:21 AM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    SEC Filings

    View All

    Amendment: SEC Form SCHEDULE 13G/A filed by Alliant Energy Corporation

    SCHEDULE 13G/A - ALLIANT ENERGY CORP (0000352541) (Subject)

    3/26/26 3:25:54 PM ET
    $LNT
    Power Generation
    Utilities

    SEC Form 8-K filed by Alliant Energy Corporation

    8-K - ALLIANT ENERGY CORP (0000352541) (Filer)

    3/19/26 5:28:52 PM ET
    $LNT
    Power Generation
    Utilities

    SEC Form 424B5 filed by Alliant Energy Corporation

    424B5 - ALLIANT ENERGY CORP (0000352541) (Filer)

    3/19/26 5:27:23 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    RJM & Company Advises Travero, a Subsidiary of Alliant Energy Corporation, on its Sale of Logistics Park Dubuque to LOGISTEC

    KANSAS CITY, Mo., March 11, 2026 /PRNewswire/ -- RJM & Company, LLC ("RJM") served as the exclusive financial advisor to Travero, a wholly owned subsidiary of Alliant Energy Corporation, on its sale of Logistic's Park Dubuque ("LPD") to LOGISTEC, a leading North American marine terminal and logistics services provider. LPD is a multi-purpose marine terminal located in East Dubuque, Illinois on the Upper Mississippi River. The terminal's connectivity strengthens LOGISTEC's inland waterways network reach, providing strategic routing options for agriculture, manufacturing, and energy supply chains across the U.S. Midwest and the Gulf Coast.

    3/11/26 5:34:00 PM ET
    $LNT
    Power Generation
    Utilities

    LOGISTEC Announces Acquisition of Logistics Park Dubuque (LPD), Expanding US Inland Waterways Network and Opening New Market Connections

    MONTREAL, March 11, 2026 /CNW/ - LOGISTEC, a leading North American marine terminal and logistics services provider announced the acquisition of Travero's Logistics Park Dubuque ("LPD") a multi-purpose marine terminal located in East Dubuque, Illinois on the Upper Mississippi River. The terminal's connectivity strengthens LOGISTEC's inland waterways network reach, providing strategic routing options for agriculture, manufacturing, and energy supply chains across the U.S. Midwest and the Gulf Coast. "With the addition of LPD to the LOGISTEC network, we are expanding our reach int

    3/11/26 10:13:00 AM ET
    $LNT
    Power Generation
    Utilities

    Alliant Energy Announces 2025 Results

    GAAP earnings per share were $3.14 in 2025 compared to $2.69 in 2024 Ongoing earnings per share were $3.22 in 2025 compared to $3.04 in 2024, which represents 6% growth Affirmed 2026 ongoing earnings guidance range of $3.36 - $3.46 Alliant Energy Corporation (NASDAQ:LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $3.14 for 2025, compared to $2.69 for 2024. Ongoing EPS for 2025 was $3.22, compared to $3.04 for 2024. Alliant Energy affirmed its consolidated ongoing EPS guidance for 2026 of $3.36 - $3.46, continuing its over a decade strong track record of compound annual earnings growth of more than 6%.

    2/19/26 6:00:00 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Amendment: SEC Form 4 filed by Valcq Rebecca C.

    4/A - ALLIANT ENERGY CORP (0000352541) (Issuer)

    3/19/26 4:52:15 PM ET
    $LNT
    Power Generation
    Utilities

    New insider Asthana Manu claimed ownership of 1,000 shares (SEC Form 3)

    3 - ALLIANT ENERGY CORP (0000352541) (Issuer)

    3/4/26 3:25:44 PM ET
    $LNT
    Power Generation
    Utilities

    President and CEO Barton Lisa M covered exercise/tax liability with 28,594 shares and was granted 77,060 shares, increasing direct ownership by 82% to 107,452 units (SEC Form 4)

    4 - ALLIANT ENERGY CORP (0000352541) (Issuer)

    2/23/26 7:15:36 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Barton Lisa M was granted 23,321 shares and bought $53,416 worth of shares (1,100 units at $48.56), increasing direct ownership by 203% to 36,444 units (SEC Form 4)

    4 - ALLIANT ENERGY CORP (0000352541) (Issuer)

    2/20/24 9:17:11 PM ET
    $LNT
    Power Generation
    Utilities

    Sundararajan Raja was granted 5,269 shares and bought $24,128 worth of shares (500 units at $48.26), increasing direct ownership by 121% to 10,556 units (SEC Form 4)

    4 - ALLIANT ENERGY CORP (0000352541) (Issuer)

    2/20/24 7:45:13 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Leadership Updates

    Live Leadership Updates

    View All

    Tennant Company Appoints James T. Glerum, Jr., Patrick Allen to Its Board of Directors

    Tennant Company (NYSE:TNC) ("Tennant" or the "Company"), a world leader in cleaning equipment and solutions, today announced that James T. Glerum, Jr. ("Jim") and Patrick Allen have been appointed to the Company's Board of Directors as independent directors, effective immediately. With these appointments, the Board will expand in size to 11 directors, 10 of whom are independent. In connection with the appointment of Mr. Allen, Tennant has entered into a cooperation and standstill agreement with Vision One. "We are pleased to welcome Jim and Patrick to the Board and look forward to benefitting from their respective experiences, capabilities and insights as we advance our enterprise growth

    2/12/26 4:15:00 PM ET
    $AMCR
    $LNT
    $TNC
    Miscellaneous manufacturing industries
    Consumer Discretionary
    Power Generation
    Utilities

    Manu Asthana Appointed to Alliant Energy Board of Directors

    The Alliant Energy Board of Directors has appointed Manu Asthana as a new independent director, effective Feb. 23, 2026 Alliant Energy Corp. (NASDAQ:LNT) announced today its Board of Directors has appointed Manu Asthana as a new independent director, effective Feb. 23, 2026. Asthana, 52, brings nearly three decades of leadership experience across the energy and financial services sectors, with deep expertise in electric and gas markets, grid operations, power generation and trading, risk management, retail energy, customer solutions and enterprise strategy. He most recently served as President and CEO of PJM Interconnection, the largest power grid operator in North America. "We are pl

    1/8/26 4:15:00 PM ET
    $LNT
    Power Generation
    Utilities

    Christie Raymond Appointed to Alliant Energy Board of Directors

    The Alliant Energy Board of Directors has appointed Christie Raymond as a new director, effective April 1, 2024 Alliant Energy Corporation (NASDAQ:LNT) today announced that its Board of Directors has appointed Christie Raymond as a new independent director, effective April 1, 2024. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20240308942847/en/Christie Raymond (Photo: Business Wire) Raymond, 54, brings over 30 years of expertise in marketing, data analytics, new and traditional media, operations, strategic planning, customer satisfaction and several other critical business areas of focus important to the energy industry. Curre

    3/8/24 5:00:00 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Alliant Energy Corporation

    SC 13G/A - ALLIANT ENERGY CORP (0000352541) (Subject)

    10/16/24 9:11:31 AM ET
    $LNT
    Power Generation
    Utilities

    SEC Form SC 13G/A filed by Alliant Energy Corporation (Amendment)

    SC 13G/A - ALLIANT ENERGY CORP (0000352541) (Subject)

    2/13/24 4:55:53 PM ET
    $LNT
    Power Generation
    Utilities

    SEC Form SC 13G/A filed by Alliant Energy Corporation (Amendment)

    SC 13G/A - ALLIANT ENERGY CORP (0000352541) (Subject)

    1/30/24 2:40:12 PM ET
    $LNT
    Power Generation
    Utilities

    $LNT
    Financials

    Live finance-specific insights

    View All

    LOGISTEC Announces Acquisition of Logistics Park Dubuque (LPD), Expanding US Inland Waterways Network and Opening New Market Connections

    MONTREAL, March 11, 2026 /CNW/ - LOGISTEC, a leading North American marine terminal and logistics services provider announced the acquisition of Travero's Logistics Park Dubuque ("LPD") a multi-purpose marine terminal located in East Dubuque, Illinois on the Upper Mississippi River. The terminal's connectivity strengthens LOGISTEC's inland waterways network reach, providing strategic routing options for agriculture, manufacturing, and energy supply chains across the U.S. Midwest and the Gulf Coast. "With the addition of LPD to the LOGISTEC network, we are expanding our reach int

    3/11/26 10:13:00 AM ET
    $LNT
    Power Generation
    Utilities

    Alliant Energy Announces 2025 Results

    GAAP earnings per share were $3.14 in 2025 compared to $2.69 in 2024 Ongoing earnings per share were $3.22 in 2025 compared to $3.04 in 2024, which represents 6% growth Affirmed 2026 ongoing earnings guidance range of $3.36 - $3.46 Alliant Energy Corporation (NASDAQ:LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $3.14 for 2025, compared to $2.69 for 2024. Ongoing EPS for 2025 was $3.22, compared to $3.04 for 2024. Alliant Energy affirmed its consolidated ongoing EPS guidance for 2026 of $3.36 - $3.46, continuing its over a decade strong track record of compound annual earnings growth of more than 6%.

    2/19/26 6:00:00 PM ET
    $LNT
    Power Generation
    Utilities

    Alliant Energy Corporation Announces Fourth Quarter and Year-End 2025 Earnings Release and Conference Call

    Alliant Energy Corporation (NASDAQ:LNT) has scheduled its fourth quarter and year-end 2025 earnings release for Thursday, February 19th, after market close. A conference call to review the fourth quarter and year-end 2025 results is scheduled for Friday, February 20th at 9 a.m. CT. Alliant Energy will webcast the event live at www.alliantenergy.com/investors. The call is open to the public and will be hosted by Lisa Barton, President and CEO; and Robert Durian, Executive Vice President and CFO. Individuals who would like to participate in the conference call can do so by dialing (800) 549-8228 (Toll Free – North America) or (646) 564-2877 (International). The conference ID is 89157. An

    1/20/26 4:30:00 PM ET
    $LNT
    Power Generation
    Utilities