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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
Hudson Bay Capital Management LP277,657$21.2M0.10%−231,345−45.5%Reduced
Bank of Montreal275,476$21.0M0.01%+51,948+23.2%Added
State of Wisconsin Investment Board275,287$21.0M0.04%−37,550−12.0%Reduced
Sourcerock Group LLC273,921$20.9M1.09%−25,229−8.4%Reduced
Natixis Advisors, L.P.273,102$20.8M0.02%+3,774+1.4%Added
AQR Capital Management LLC272,099$20.8M0.01%+157,625+137.7%Added
1832 Asset Management L.P.270,700$20.7M0.03%+51,100+23.3%Added
Stifel Financial Corp269,750$20.6M0.02%+88,830+49.1%Added
CIBC Asset Management Inc263,610$20.1M0.04%+24,046+10.0%Added
Vanguard Investments Australia, Ltd.254,789$19.4M0.05%+4,234+1.7%Added
State Board of Administration of Florida Retirement System245,305$18.7M0.03%−3,903−1.6%Reduced
Adage Capital Partners GP, L.L.C.230,208$17.6M0.02%+203,900+775.0%Added
New York State Teachers Retirement System219,339$16.7M0.03%−46,948−17.6%Reduced
Citadel Advisors LLC217,500$16.6M0.01%−72,446−25.0%Reduced
Quantinno Capital Management LP207,895$15.9M0.02%+67,154+47.7%Added
Cetera Investment Advisers202,705$15.5M0.01%+2,292+1.1%Added
CIBC Bancorp USA Inc.201,370$15.4M0.02%−10,471−4.9%Reduced
Epoch Investment Partners, Inc.201,084$15.3M0.09%−10,365−4.9%Reduced
Macquarie Group Ltd198,329$15.1M0.07%+19,651+11.0%Added
Nisa Investment Advisors, LLC197,792$15.1M0.05%−790−0.4%Reduced
Jones Financial Companies LLLP187,939$14.5M0.01%+9,167+5.1%Added
Resolution Capital Ltd184,569$14.1M0.26%+35,313+23.7%Added
Nomura Asset Management International Inc.180,727$13.8M0.02%+180,727New
Schonfeld Strategic Advisors LLC179,772$13.7M0.07%+33,827+23.2%Added
Allspring Global Investments Holdings, LLC174,483$13.2M0.02%−250.0%Reduced
Sagefield Capital LP165,353$12.6M0.94%+80,262+94.3%Added
Harbour Investments, Inc.164,993$12.6M0.17%−4,013−2.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.163,037$12.4M0.01%+30,629+23.1%Added
APG Asset Management N.V.176,822$11.8M0.03%+49,785+39.2%Added
Asset Management One Co.,Ltd.150,194$11.5M0.03%−5,968−3.8%Reduced
Dorsey & Whitney Trust CO LLC150,025$11.4M0.56%−3,482−2.3%Reduced
Westwood Holdings Group Inc.146,672$11.2M0.08%+11,030+8.1%Added
Dearborn Partners LLC137,070$10.5M0.59%+137,070New
Wealthfront Advisers LLC135,695$10.4M0.02%+33,534+32.8%Added
Mitsubishi UFJ Trust & Banking Corp131,553$10.0M0.02%+455+0.3%Added
Treasurer of the State of North Carolina130,743$9.97M0.03%+20,782+18.9%Added
Korea Investment CORP127,632$9.74M0.02%−88,400−40.9%Reduced
Kempen Capital Management N.V.127,252$9.71M0.07%+3,699+3.0%Added
Chevy Chase Trust Holdings, Inc.125,740$9.59M0.02%−1,896−1.5%Reduced
Prudential Financial Inc122,776$9.37M0.01%−1,159−0.9%Reduced
Advisor Group Holdings, Inc.122,082$9.32M0.01%+8,834+7.8%Added
Jump Financial, LLC118,000$9.00M0.08%+38,000+47.5%Added
Guggenheim Capital LLC115,560$8.82M0.06%+4,333+3.9%Added
Commonwealth Equity Services, LLC112,345$8.57M0.01%+1,872+1.7%Added
Van Eck Associates Corp111,762$8.53M0.01%−51,509−31.5%Reduced
National Bank of Canada111,071$8.47M0.01%+50,086+82.1%Added
Greenland Capital Management LP110,522$8.43M1.59%−81,952−42.6%Reduced
New York State Common Retirement Fund110,336$8.42M0.01%+3,500+3.3%Added
BI Asset Management Fondsmaeglerselskab A/S107,267$8.18M0.06%−2,429−2.2%Reduced
Brinker Capital Investments, LLC106,740$8.14M0.06%+7,231+7.3%Added
TD Asset Management Inc106,453$8.12M0.01%−6,095−5.4%Reduced
Great West Life Assurance Co105,104$8.01M0.01%−23,123−18.0%Reduced
Nicholas Company, Inc.102,695$7.83M0.14%+210+0.2%Added
Tudor Investment Corp Et Al102,588$7.83M0.03%+96,409+1,560.3%Added
Engineers Gate Manager LP98,507$7.52M0.10%+85,751+672.2%Added
US Bancorp97,725$7.46M0.01%−1,509−1.5%Reduced
Cambridge Investment Research Advisors, Inc.97,105$7.41M0.02%+9,310+10.6%Added
State of Tennessee, Treasury Department94,346$7.20M0.02%+32,946+53.7%Added
Assenagon Asset Management S.A.93,380$7.12M0.01%+72,151+339.9%Added
Resona Asset Management Co.,Ltd.92,093$7.04M0.03%−4,978−5.1%Reduced
PDT Partners, LLC92,130$7.03M0.37%+92,130New
Nomura Asset Management Co Ltd89,642$6.84M0.01%−367−0.4%Reduced
United Capital Financial Advisers, LLC88,831$6.78M0.04%+319+0.4%Added
Merit Financial Group, LLC86,734$6.62M0.04%+13,389+18.3%Added
American Century Companies Inc86,696$6.61M0.00%+14,718+20.4%Added
Brasada Capital Management, LP85,561$6.53M1.18%+1,888+2.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)84,989$6.48M0.01%−71,104−45.6%Reduced
Thompson Investment Management, Inc.83,577$6.38M0.73%+735+0.9%Added
Fifth Third Bancorp82,354$6.28M0.01%−7,700−8.6%Reduced
State of New Jersey Common Pension Fund D82,140$6.27M0.02%00.0%Unchanged
United Asset Strategies, Inc.80,414$6.13M0.43%+527+0.7%Added
Public Employees Retirement System of Ohio79,999$6.10M0.02%−968−1.2%Reduced
Cerity Partners LLC77,159$5.89M0.01%+4,953+6.9%Added
Delos Wealth Advisors, LLC75,924$5.79M2.98%+3,290+4.5%Added
Daiwa Securities Group Inc.74,617$5.69M0.01%+1,242+1.7%Added
Mn Services Vermogensbeheer B.V.74,189$5.66M0.04%−23,300−23.9%Reduced
Arizona State Retirement System74,051$5.65M0.03%+4,203+6.0%Added
Public Sector Pension Investment Board73,713$5.62M0.01%+506+0.7%Added
Czech National Bank73,516$5.61M0.03%+3,508+5.0%Added
Morton Community Bank72,353$5.52M1.12%+1,570+2.2%Added
Hills Bank & Trust Co71,281$5.44M0.23%−436−0.6%Reduced
New England Asset Management Inc68,413$5.22M0.60%−18,275−21.1%Reduced
Wealth Enhancement Advisory Services, LLC68,089$5.20M0.01%+11,489+20.3%Added
RWC Asset Management LLP66,509$5.07M0.19%−869−1.3%Reduced
State of Michigan Retirement System66,159$5.05M0.02%−1,000−1.5%Reduced
B. Metzler seel. Sohn & Co. AG65,839$5.02M0.04%+2,698+4.3%Added
IFM Investors Pty Ltd65,555$5.00M0.03%+219+0.3%Added
BOCHK Asset Management Ltd65,000$4.96M0.78%−39,000−37.5%Reduced
Investment Management Corp of Ontario62,935$4.80M0.06%−128,729−67.2%Reduced
SG Americas Securities, LLC59,437$4.53M0.00%−30,061−33.6%Reduced
MetLife Investment Management59,087$4.51M0.02%−969−1.6%Reduced
Boothbay Fund Management, LLC58,943$4.50M0.09%−9,148−13.4%Reduced
Dean Investment Associates, LLC58,829$4.49M0.59%−4,089−6.5%Reduced
Mirae Asset Global Investments Co., Ltd.58,582$4.47M0.01%+6,782+13.1%Added
Ramirez Asset Management, Inc.57,389$4.38M0.46%−100.0%Reduced
Vestcor Inc56,671$4.32M0.11%+26,687+89.0%Added
RSM US Wealth Management LLC56,581$4.32M0.05%+1,760+3.2%Added
Illinois Municipal Retirement Fund56,492$4.31M0.05%+14,125+33.3%Added
Woodline Partners LP56,372$4.30M0.01%+6,023+12.0%Added
Capital Fund Management S.A.55,636$4.24M0.03%+55,636New