Who Owns ALLIANT ENERGY CORP (LNT)? -- Institutional Holders (2026-06-30)

28 institutions reported holding $24.4M of ALLIANT ENERGY CORP (LNT) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($7.1M), Czech National Bank ($5.6M), Hennion & Walsh Asset Management, Inc. ($4.1M), GAMMA Investing LLC ($1.7M), Apella Capital, LLC ($895,149). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Assenagon Asset Management S.A.$7.1M93,380Added
2Czech National Bank$5.6M73,516Added
3Hennion & Walsh Asset Management, Inc.$4.1M54,277Added
4GAMMA Investing LLC$1.7M22,437Trimmed
5Apella Capital, LLC$895,14911,528Added
6West Financial Advisors, LLC$821,49110,768Hold
7Thrive Wealth Management, LLC$594,4527,792Trimmed
8PensionDanmark Pensionsforsikringsaktieselskab$567,4497,440New
9Quad-Cities Investment Group, LLC$433,8255,687Hold
10Hummer Financial Advisory Services Inc$358,5634,700Hold
11Gradient Investments LLC$297,9123,905Added
12Longboard Asset Management, LP$268,6933,522Hold
13CX Institutional$258,0003,380Added
14Wisconsin Wealth Advisors, LLC$246,2633,228Hold
15First Citizens Financial Corp$242,4503,178Hold
16Crumly & Associates Inc.$241,3053,163Hold
17SANDERS MORRIS HARRIS LLC$232,6853,050Hold
18MassMutual Private Wealth & Trust, FSB$197,4392,588Added
19CoreCap Advisors, LLC$69,393910Added
20EASTERN BANK$38,145500Hold
21Versant Capital Management, Inc$32,042420Added
22Cedar Mountain Advisors, LLC$25,939340New
23Strategic Investment Solutions, Inc. /IL$19,098250Added
24ELEVATION WEALTH PARTNERS, LLC$5,03666Added
25Arlington Trust Co LLC$3,43345Hold

Source: SEC Form 13F filings · as of 2026-06-30