Alliant Energy (LNT)
Provides regulated electricity and natural gas service across Iowa and Wisconsin.
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13F · 13D/G · Form 4
| Institutions | 268.28% | 766.98M shares | |
|---|---|---|---|
| 897 holders · as of Jun 30, 2026 | |||
| Insiders | 0.24% | 694.2K shares | |
| 11 holders · as of Aug 12, 2026 | |||
| Adds to | 268.52% | ||
285.89M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (285.89M in the company's Sep 23, 2026 report, 258.28M elsewhere); stakes use the report.
These groups come from separate filings that can overlap, so they add to 268.52%; nothing is left for Other.
This company has 3 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
897 holders · 255.66M shares · 98 new positions · 466 increased · 251 reduced · 72 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 24.99M | 8.74% | +487.2K | Aug 7, 2026 |
| State Street Corp | 17.57M | 6.15% | +561.3K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 16.86M | 5.90% | +162.3K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 14.39M | 5.03% | −208.8K | Aug 13, 2026 |
| Price T Rowe Associates Inc /MD/ | 11.52M | 4.03% | +904.7K | Aug 14, 2026 |
| Jupiter Topco LLC | 10.98M | 3.84% | +10.98Mnew | Aug 14, 2026 |
| Nuveen, LLC | 7.89M | 2.76% | +450.6K | Aug 11, 2026 |
| Geode Capital Management, LLC | 7.41M | 2.59% | +149.4K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 7.54% | 19.40M | 13G | Apr 29, 2026 |
| State Street Corporation | 6.30% | 16.24M | Oct 16, 2024 | |
| Vanguard Portfolio Management | 5.68% | 14.63M | 13G | Apr 28, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 10, 2026 | Robert J. Durianofficer: EVP and CFO | Sale | 0 | $68.60 | 158,146 |
House and Senate disclosures
Not reported.