Alliant Energy Corp (LNT)
Who owns Alliant Energy Corp (LNT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 94.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 13.08 | 33,785,294 | +1.1 | 12/31/2025 |
| BlackRock Inc | 9.49 | 24,499,440 | +0.7 | 03/31/2026 |
| State Street Corp | 6.59 | 17,010,651 | +0.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.47 | 16,699,462 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.65 | 14,595,006 | +0.0 | 03/31/2026 |
| HHG PLC | 4.36 | 11,273,621 | +1.2 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 4.11 | 10,610,646 | +26.4 | 03/31/2026 |
| Nuveen, LLC | 2.88 | 7,440,386 | +0.6 | 03/31/2026 |
| Geode Capital Management, LLC | 2.81 | 7,258,026 | +2.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.17 | 8,192,104 | +0.6 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.