Alliant Energy (LNT) Superinvestor holders
22 of the superinvestors we track hold Alliant Energy (LNT) in their latest 13F filings, $846M in total.
Summary
The largest holder is Mairs & Power (Mairs & Power Inc), with $203M, 1.9% of the portfolio.
In their latest quarter: 2 opened a new position, 8 added, 9 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Mairs & Power Mairs & Power Inc |
Trimmed | 2,657,913 | $203M | 1.9% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Added | 2,094,866 | $160M | 0.3% | Q2 2026 |
| Jennison Associates | Trimmed | 1,713,259 | $131M | 0.1% | Q2 2026 |
| David Vogel Voloridge Investment Management |
Added | 918,789 | $70M | 0.3% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 740,877 | $57M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 642,818 | $49M | 0.1% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 477,500 | $36M | 0.1% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 435,503 | $33M | 0.0% | Q2 2026 |
| Artisan Partners | Trimmed | 414,433 | $32M | 0.1% | Q2 2026 |
| Arrowstreet Capital | Trimmed | 385,225 | $29M | 0.0% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 272,099 | $21M | 0.0% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 102,588 | $8M | 0.0% | Q2 2026 |
| Peter Muller PDT Partners |
New position | 92,130 | $7M | 0.4% | Q2 2026 |
| Alan Howard Brevan Howard |
New position | 53,187 | $4M | 0.1% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 34,745 | $3M | 0.0% | Q2 2026 |
| Neil Hennessy Hennessy Advisors |
Held | 32,450 | $2M | 0.1% | Q3 2026 |
| Brandon Haley Holocene Advisors |
Trimmed | 16,110 | $1M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Held | 11,257 | $858,797 | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 2,872 | $219,105 | 0.0% | Q2 2026 |
| Acadian Acadian Asset Management |
Held | 1,732 | $109,000 | 0.0% | Q3 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Added | 953 | $72,704 | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 100 | $7,629 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 22 |
| Q1 2026 | 22 |
| Q4 2025 | 18 |
| Q3 2025 | 19 |
| Q2 2025 | 20 |
| Q1 2025 | 21 |
| Q4 2024 | 14 |
| Q3 2024 | 15 |
Questions about Alliant Energy
Which superinvestors own Alliant Energy?
22 of the superinvestors we track hold Alliant Energy (LNT) in their latest 13F filings, $846M in total. Mairs & Power, Steve Cohen, Jennison Associates, David Vogel, David Shaw, Joel Greenblatt.
Who is the largest superinvestor holder of LNT?
The largest holder is Mairs & Power (Mairs & Power Inc), with $203M, 1.9% of the portfolio.
From Alliant Energy's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.