Alliant Energy Corporation (LNT) Institutional Ownership & Insider Trading

879 institutions reported holding Alliant Energy Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 1 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

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Utilities - Regulated Electric · Utilities

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Market cap: 18.1B
P/E TTM: 22.0
Dividend yield: 3.0%
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

879 institutions held 97.7% of the shares. Across filers that reported both quarters, shares held changed +6.4%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	879	253	+6.4%	288	68	205	48
Mar 26	852	239	+3.8%	245	71	225	47
Dec 25	824	231	+2.9%	247	62	187	44
Sep 25	773	225	+5.1%	222	70	192	44
Jun 25	760	213	+2.1%	238	74	176	71
Mar 25	761	208	-1.6%	222	86	195	37
Dec 24	697	213	+3.2%	199	54	182	46
Sep 24	664	205	-1.1%	197	63	168	45

Alliant Energy Corporation — questions

Who owns Alliant Energy Corporation stock?: 879 institutions reported Alliant Energy Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.6%), STATE STREET CORP (6.8%), VANGUARD CAPITAL MANAGEMENT LLC (6.5%).
Are Alliant Energy Corporation insiders buying or selling?: 1 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Alliant Energy Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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