Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in LNT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 25.0M | $1.91B | +2.0% | 9.674% | 0.03% |
| 2 | STATE STREET CORP | 17.6M | $1.34B | +3.3% | 6.803% | 0.02% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 16.9M | $1.29B | +1.0% | 6.528% | 0.03% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.4M | $1.10B | -1.4% | 5.570% | 0.05% |
| 5 | Jupiter Topco LLC | 11.0M | $837.5M | — | 4.250% | 0.34% |
| 6 | Nuveen, LLC | 7.9M | $602.0M | +6.1% | 3.055% | 0.14% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 7.4M | $563.0M | +2.1% | 2.868% | 0.03% |
| 8 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 6.9M | $533.8M | -1.6% | 2.686% | 0.17% |
| 9 | VICTORY CAPITAL MANAGEMENT INC | 6.4M | $491.5M | -11.0% | 2.494% | 0.28% |
| 10 | BANK OF AMERICA CORP /DE/ | 5.6M | $425.9M | +4.5% | 2.161% | 0.03% |
| 11 | FMR LLC | 5.0M | $384.8M | +76.2% | 1.953% | 0.02% |
| 12 | Invesco Ltd. | 4.9M | $374.8M | -1.5% | 1.902% | 0.03% |
| 13 | FRANKLIN RESOURCES INC | 3.9M | $296.1M | -0.4% | 1.503% | 0.06% |
| 14 | MORGAN STANLEY | 3.4M | $258.8M | +1.2% | 1.313% | 0.01% |
| 15 | DEUTSCHE BANK AG\ | 3.4M | $258.1M | +165.6% | 1.310% | 0.07% |
| 16 | Pictet Asset Management Holding SA | 3.3M | $254.4M | -2.3% | 1.291% | 0.24% |
| 17 | JPMORGAN CHASE & CO | 3.1M | $241.7M | +39.2% | 1.213% | 0.01% |
| 18 | GOLDMAN SACHS GROUP INC | 2.9M | $222.6M | +89.7% | 1.130% | 0.02% |
| 19 | REAVES W H & CO INC | 2.8M | $212.4M | -7.0% | 1.078% | 3.22% |
| 20 | MAIRS & POWER INC | 2.7M | $202.8M | -8.0% | 1.029% | 1.86% |
| 21 | BARCLAYS PLC | 2.6M | $201.3M | +178.7% | 1.022% | 0.04% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.4M | $183.9M | +1.7% | 0.933% | 0.02% |
| 23 | NORTHERN TRUST CORP | 2.1M | $163.3M | -3.3% | 0.829% | 0.02% |
| 24 | Point72 Asset Management, L.P. | 2.1M | $159.8M | +68.5% | 0.811% | 0.18% |
| 25 | Magellan Asset Management Ltd | 2.0M | $151.6M | -2.3% | 0.769% | 3.39% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in LNT — a direct measure of their conviction.
Filings activity in LNT during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new LNT position in Q2 2026
Institutions that fully closed their LNT position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 878 | +2.5% | 98.12% | +5.13 pp | $17.88B | +13% |
| Q1 2026 | 857 | +4.3% | 92.99% | +2.74 pp | $15.88B | +14% |
| Q4 2025 | 822 | +5.8% | 90.25% | +3.19 pp | $13.95B | 3.6% |
| Q3 2025 | 777 | +2.2% | 87.06% | +3.95 pp | $14.47B | +16% |
| Q2 2025 | 760 | 0.4% | 83.11% | +1.17 pp | $12.46B | 2.0% |
| Q1 2025 | 763 | +9.3% | 81.94% | 0.94 pp | $12.71B | +6.8% |
| Q4 2024 | 698 | +5.6% | 82.88% | +3.32 pp | $11.90B | +1.3% |
| Q3 2024 | 661 | — | 79.56% | — | $11.75B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying LNT stock.
Based on Q2 2026 13F filings, institutional ownership of Alliant Energy Corporation stands at 98.1%, held across 878 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LNT, with approximately 24,986,672 shares worth $1.91B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of LNT, including Point72 Asset Management, L.P..
Our composite Smart Money Score for LNT is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
84 institutions opened new positions in LNT during Q2 2026, while 67 fully exited. 656 added to existing positions and 118 trimmed.
LNT institutional ownership rose by 5.13 percentage points quarter-over-quarter, with a net change of +21 holders.
The top 10 institutions account for 50.8% of all reported 13F value in LNT, and the top 25 account for 70.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.