Alliant Energy LNT Institutional Ownership

Ownership Summary

Alliant Energy Corp (NASDAQ:LNT) has 844 institutional investors with active 13F positions as of March 2026.

• These investors collectively held 97.3% of Alliant Energy's outstanding shares in March 2026, up from 87.3% in December 2025.
• They increased total shares held in Alliant Energy by 32.6% from last quarter, and the number of investors in LNT increased 8.48% annually.
• Among the 844 funds, 413 bought more Alliant Energy shares, 259 sold down, and 172 held their ground.
• Combined, these investors held 250.15Mn shares in LNT for March 2026, up by 61.5Mn shares quarter on quarter, and up 31.64Mn shares year over year.
• BlackRock, Inc. is the top holder of Alliant Energy as of March 31, 2026, with 24.5Mn shares representing 9.53% of outstanding stock.
• The biggest buyers of Alliant Energy for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (16.7Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (14.6Mn), Janus Henderson Group Plc (11.41Mn), PRICE T ROWE ASSOCIATES INC /MD/ (10.61Mn), Bank Of America Corp /De/ (1.6Mn).
• The biggest sellers of Alliant Energy for the quarter ending March 2026 included VICTORY CAPITAL MANAGEMENT INC (1.34Mn), Pictet Asset Management Holding SA (655.91K), Goldman Sachs Group Inc (650.04K), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (562.65K), HSBC HOLDINGS PLC (443.96K).
• Business Quant data shows the 10 biggest positions in Alliant Energy as of March 2026 are held by BlackRock, Inc. (24.5Mn), Janus Henderson Group Plc (22.55Mn), State Street Corp (17.01Mn), VANGUARD CAPITAL MANAGEMENT LLC (16.7Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (14.6Mn), PRICE T ROWE ASSOCIATES INC /MD/ (10.61Mn), Nuveen, LLC (7.44Mn), GEODE CAPITAL MANAGEMENT, LLC (7.26Mn), VICTORY CAPITAL MANAGEMENT INC (7.24Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (7.05Mn).