Ranked by reported Q1 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. | 24.5M | $1.76B | +0.7% | 9.486% | 0.03% |
| 2 | STATE STREET CORP | 17.0M | $1.22B | +0.8% | 6.586% | 0.04% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 16.7M | $1.20B | β | 6.466% | 0.03% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14.6M | $1.05B | β | 5.651% | 0.06% |
| 5 | JANUS HENDERSON GROUP PLC | 11.3M | $809.0M | +1.3% | 4.365% | 0.40% |
| 6 | Nuveen, LLC | 7.4M | $533.9M | +0.6% | 2.881% | 0.14% |
| 7 | VICTORY CAPITAL MANAGEMENT INC | 7.2M | $519.5M | -15.6% | 2.803% | 0.33% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 7.3M | $519.0M | +2.6% | 2.810% | 0.03% |
| 9 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 7.0M | $509.9M | -1.8% | 2.729% | 0.17% |
| 10 | BANK OF AMERICA CORP /DE/ | 5.3M | $383.5M | +42.8% | 2.069% | 0.03% |
| 11 | Invesco Ltd. | 5.0M | $358.0M | +5.6% | 1.931% | 0.05% |
| 12 | FRANKLIN RESOURCES INC | 3.9M | $279.6M | +5.7% | 1.509% | 0.07% |
| 13 | Pictet Asset Management Holding SA | 3.4M | $244.8M | -16.1% | 1.321% | 0.26% |
| 14 | MORGAN STANLEY | 3.4M | $240.5M | +8.6% | 1.298% | 0.01% |
| 15 | REAVES W H & CO INC | 3.0M | $214.8M | -2.1% | 1.159% | 3.56% |
| 16 | MAIRS & POWER INC | 2.9M | $207.3M | -2.3% | 1.119% | 2.12% |
| 17 | FMR LLC | 2.9M | $205.4M | +23.8% | 1.108% | 0.01% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.4M | $170.1M | +1.8% | 0.918% | 0.03% |
| 19 | NORTHERN TRUST CORP | 2.2M | $158.8M | +3.1% | 0.857% | 0.02% |
| 20 | Legal & General Group Plc | 2.1M | $153.0M | -3.3% | 0.825% | 0.04% |
| 21 | Magellan Asset Management Ltd | 2.0M | $146.0M | -6.7% | 0.788% | 1.89% |
| 22 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | 1.9M | $136.2M | -0.0% | 0.735% | 1.41% |
| 23 | JENNISON ASSOCIATES LLC | 1.8M | $126.7M | -2.2% | 0.684% | 0.09% |
| 24 | JOHNSON INVESTMENT COUNSEL INC | 1.7M | $121.0M | -14.8% | 0.653% | 0.98% |
| 25 | GOLDMAN SACHS GROUP INC | 1.5M | $110.4M | +40.6% | 0.596% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in LNT β a direct measure of their conviction.
Filings activity in LNT during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new LNT position in Q1 2026
Institutions that fully closed their LNT position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 844 | +2.7% | 83.18% | +9.31 pp | $15.71B | +13% |
| Q4 2025 | 822 | +6.1% | 73.87% | 2.73 pp | $13.95B | 3.6% |
| Q3 2025 | 775 | +2.0% | 76.60% | +10.60 pp | $14.46B | +16% |
| Q2 2025 | 760 | 0.4% | 66.00% | 1.31 pp | $12.46B | 2.0% |
| Q1 2025 | 763 | +9.3% | 67.31% | +4.27 pp | $12.71B | +6.8% |
| Q4 2024 | 698 | +5.6% | 63.04% | +0.80 pp | $11.90B | +1.3% |
| Q3 2024 | 661 | +2.8% | 62.24% | +9.40 pp | $11.75B | +18% |
| Q2 2024 | 643 | β | 52.84% | β | $9.98B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying LNT stock.
Based on Q1 2026 13F filings, institutional ownership of Alliant Energy Corporation stands at 83.2%, held across 844 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LNT, with approximately 24,499,440 shares worth $1.76B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of LNT.
Our composite Smart Money Score for LNT is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
116 institutions opened new positions in LNT during Q1 2026, while 94 fully exited. 607 added to existing positions and 116 trimmed.
LNT institutional ownership rose by 9.31 percentage points quarter-over-quarter, with a net change of +22 holders.
The top 10 institutions account for 54.1% of all reported 13F value in LNT, and the top 25 account for 72.4%.
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.
Alliant Energy Corporation (LNT) Institutional Ownership