LNT: Alliant Energy Corp insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
884 institutions reported holding $17.94B of Alliant Energy Corp on Form 13F (859 the quarter before). 86 opened a new position and 65 sold out. Shares held by institutions: +6%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 24,986,672 | $1.91B |
| STATE STREET CORP | 17,571,998 | $1.34B |
| VANGUARD CAPITAL MANAGEMENT LLC | 16,861,714 | $1.29B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14,386,177 | $1.10B |
| Jupiter Topco LLC | 10,977,426 | $837.47M |
| Nuveen, LLC | 7,890,946 | $602.00M |
| GEODE CAPITAL MANAGEMENT, LLC | 7,407,445 | $563.05M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 6,936,512 | $533.76M |
| VICTORY CAPITAL MANAGEMENT INC | 6,442,409 | $491.49M |
| BANK OF AMERICA CORP /DE/ | 5,582,621 | $425.90M |
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