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LNT — ALLIANT ENERGY CORP

Reported value held$6.44B
Funds holding (latest)47
SectorUtilities

Index member: S&P 500

Funds holding (Q2 2026)40
Institutional value$3.41B · 190.97M sh
New / Add / Cut / Exit3 / 23 / 12 / 2
Top-5 / Top-10 concentration59.5% / 85.1%
Institutional holdings change Accumulating +88.9% (+89.85M sh)
Institutional value change Down -47.5%

As of Q2 2026, 40 SEC-registered investment managers reported holding LNT (ALLIANT ENERGY CORP) in their latest 13F filings, with a combined reported value of $3.41B across 190.97M shares. That is +88.9% by share count (+89.85M shares) versus the previous quarter, while reported value moved -47.5%. Ownership is concentrated: the five largest holders account for 59.5% of reported value and the top ten for 85.1%.

Compared with the prior quarter, 3 opened new positions, 23 added to existing stakes, 12 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

LNT is a constituent of the S&P 500 and is classified in the Utilities sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Vanguard Group history Q4 2025 33.79M $2.20B 0.03% Add
Janus Henderson Group history Q1 2026 11.27M $809.00M 0.40% Add
Geode Capital Management history Q2 2026 7.41M $563.05M 0.03% Add
MFS Investment Management history Q2 2026 6.94M $533.76M 0.18% Reduce
Invesco Ltd history Q2 2026 4.91M $374.77M 0.03% Reduce
Franklin Resources history Q2 2026 3.88M $296.08M 0.07% Hold
Morgan Stanley history Q2 2026 3.39M $258.80M 0.01% Add
Goldman Sachs Group history Q2 2026 2.92M $222.59M 0.02% Add
Charles Schwab Investment Management history Q2 2026 2.41M $183.92M 0.03% Add
Northern Trust Corp history Q2 2026 2.14M $163.26M 0.02% Reduce
Point72 Asset Management history Q2 2026 2.09M $159.82M 0.18% Add
Legal & General Investment Management America history Q2 2026 1.89M $143.97M 0.03% Reduce
Citigroup Inc history Q2 2026 901.06K $68.74M 0.02% Add
Principal Global Investors history Q2 2026 878.48K $67.02M 0.03% Reduce
Manulife Financial history Q2 2026 623.49K $47.56M 0.04% Reduce
BlackRock Inc history Q2 2026 38.88M $42.78M 0.00% Add
Marshall Wace history Q2 2026 5.44M $38.70M 0.03% Add
Amundi US history Q2 2026 498.35K $38.02M 0.01% Hold
Renaissance Technologies history Q2 2026 477.50K $36.43M 0.05% Reduce
Two Sigma Investments history Q2 2026 29.37M $32.32M 0.03% Add

View all 47 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Geode Capital Management 4.77M 4.93M 5.11M 5.27M 5.39M 5.50M 5.60M 5.76M 5.89M 6.04M 6.31M 6.50M 6.59M 6.70M 6.90M 6.85M 6.94M 7.07M 7.26M 7.41M
MFS Investment Management 2.12M 1.93M — 1.28M 1.28M 2.97M 2.95M 2.92M 2.85M 4.80M 6.07M 6.00M 6.51M 7.01M 6.70M 7.08M 7.01M 7.17M 7.05M 6.94M
Invesco Ltd 3.35M 3.66M 3.74M 3.95M 4.01M 4.28M 4.27M 4.10M 2.74M 4.30M 2.30M 2.30M 2.30M 2.30M 2.30M 4.87M 4.75M 4.72M 4.99M 4.91M
Franklin Resources 4.05M 4.04M 4.00M 3.92M 4.00M 4.02M 4.02M 3.98M 3.97M 3.85M 3.71M 3.70M 3.68M 3.67M 3.67M 3.68M 3.68M 3.68M 3.90M 3.88M
Morgan Stanley 1.09M 932.45K 876.00K 1.85M 1.81M 2.51M 2.59M 2.67M 2.85M 2.90M 2.92M 10.00K 2.75M 7.91M 3.46M 3.31M 5.81M 3.08M 3.35M 3.39M
Goldman Sachs Group 858.52K 614.96K 605.38K 637.59K 690.24K 758.31K 656.81K 828.63K 632.48K 1.29M 1.73M 1.32M 678.93K 545.96K 1.08M 1.15M 1.02M 4.00M 1.54M 2.92M
Charles Schwab Investment Management 1.75M 1.80M 1.85M 1.89M 1.93M 1.99M 2.01M 2.01M 2.06M 2.12M 2.16M 2.20M 2.22M 2.25M 2.27M 2.29M 2.31M 2.33M 2.37M 2.41M
Northern Trust Corp 2.65M 2.71M 2.64M 2.61M 2.61M 2.65M 2.64M 2.47M 2.44M 2.49M 2.29M 2.37M 2.24M 2.41M 2.44M 2.31M 2.20M 2.14M 2.21M 2.14M
Point72 Asset Management — 63.75K — 134.60K 225.00K 19.10K 1.12M 932.00K 1.62M — — 832.35K 1.60M 504.45K 7.50M 271.19K 45.00M 1.09M 1.24M 2.09M
Legal & General Investment Management America 3.16M 3.11M 3.02M 2.88M 2.61M 2.45M 2.38M 2.38M 2.27M 2.74M 2.67M 2.60M 2.56M 2.11M 2.22M 2.37M 2.31M 2.21M 2.13M 1.89M
Citigroup Inc 352.42K 269.43K 222.71K 225.57K 265.23K 227.89K 245.20K 717.63K 523.00K 448.66K 358.00K 222.05K 1.27M 179.92K 277.17K 3.85M 5.71M 8.04M 448.48K 901.06K
Principal Global Investors 570.20K 537.92K 529.32K 516.45K 372.87K 918.73K 1.11M 1.17M 1.16M 1.11M 1.09M 1.08M 1.18M 1.17M 1.13M 1.00M 943.63K 939.61K 897.53K 878.48K
Manulife Financial 904.78K 876.03K 872.76K 881.79K 862.45K 848.93K 864.89K 855.36K 875.40K 520.64K 536.27K 552.84K 498.66K 474.95K 474.24K 469.51K 491.30K 630.41K 643.50K 623.49K
BlackRock Inc — — — — — — — — — — — — 4.90M 6.15M 6.28M 5.53M 5.83M 7.22M 24.50M 38.88M
Marshall Wace — 7.97K 3.37K 579.95K 130.53K — 15.80K — — — 33.01M 33.00M 25.00M 28.00M 28.54M 21.01M 15.71M 15.25M 845.83K 5.44M
Amundi US 1.02M 514.18K 508.45K 578.95K 1.12M 379.09K 221.76K 342.49K 386.57K 255.44K 314.56K 186.00K 185.13K 214.86K 274.33K 299.04K 507.00K 575.24K 495.92K 498.35K
Renaissance Technologies 372.90K 61.25K 115.75K 270.85K 807.45K 641.95K 458.55K 117.00K — 269.70K 296.80K 412.86K — — 129.20K 161.82K 260.40K 421.40K 710.70K 477.50K
Two Sigma Investments — — — 102.27K 208.96K 62.93K 28.80K 30.43K — — — 7.84K — 15.87K 153.47K 24.95K 12.45K 240.94K 68.94K 29.37M
Arrowstreet Capital — — — — — — — — — — 74.39K — 9.49K — 349.69K 619.89K — — 452.95K 385.23K
Citadel Advisors 131.28K 860.90K 205.16K 561.37K 1.34M 729.62K 594.02K 520.42K 249.74K 122.20K 146.00K 802.23K 2.10M 1.31M 36.83K 104.59K 4.30M 666.54K 335.05K 290.10K

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