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LNT

Alliant Energy Corp
$78.03 +2.24 (+2.96%) At close · Jul 2
Market Cap
$20.15B
Shares
258,277,037

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 856
Total Value: $16,125,485,645
Total Shares: 224,713,671
Showing 1–100 of 865 holdings by value · page 1 of 9

Institutional Ownership Trend

26 quarters

Superinvestors Holding LNT

All superinvestors →
Joel Greenblatt $26,785,711 George Soros $1,324,115 Mario Gabelli $807,802

Holder Concentration

Across 855 13F filers
Top Holder
10.9%
Jun 2023 → Mar 2026 · range 10.9% – 16.3%
of institutional value
Top 5
35.6%
Jun 2023 → Mar 2026 · range 35.6% – 45.6%
of institutional value
Top 10
50.9%
Jun 2023 → Mar 2026 · range 50.9% – 59.7%
of institutional value
HHI
361
Jun 2023 → Mar 2026 · range 361 – 564
Broadly held
Showing 100 of 865
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,758,079,803 10.90% 24,499,440
Mega STATE STREET CORP $1,220,684,315 7.57% 17,010,651
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,198,353,393 7.43% 16,699,462
Mega JANUS HENDERSON GROUP PLC $808,995,041 5.02% 11,273,621
Mega PRICE T ROWE ASSOCIATES INC /MD/ $761,419,955 4.72% 10,610,646
Mega Nuveen, LLC $533,922,098 3.31% 7,440,386
Mega GEODE CAPITAL MANAGEMENT, LLC $520,835,945 3.23% 7,258,026
Mega VICTORY CAPITAL MANAGEMENT INC $519,460,880 3.22% 7,238,864
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $505,709,723 3.14% 7,047,237
Mega BANK OF AMERICA CORP /DE/ Bank $383,547,653 2.38% 5,344,867
Mega Invesco Ltd. $357,971,023 2.22% 4,988,448
Mega FRANKLIN RESOURCES INC $279,613,267 1.73% 3,896,506
Large Pictet Asset Management Holding SA $244,848,708 1.52% 3,412,050
Mega MORGAN STANLEY $240,480,311 1.49% 3,351,175
Large COHEN & STEERS, INC. $235,104,417 1.46% 3,276,260
Mid REAVES W H & CO INC $214,808,249 1.33% 2,993,426
Mid MAIRS & POWER INC $207,318,945 1.29% 2,889,060
Mega FMR LLC $205,407,688 1.27% 2,862,426
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $170,103,276 1.05% 2,370,447
Mega JPMORGAN CHASE & CO $161,487,046 1.00% 2,250,377
Mega NORTHERN TRUST CORP Bank $158,759,093 0.98% 2,212,362
Mega Legal & General Group Plc $152,982,990 0.95% 2,131,870
Mid Magellan Asset Management Ltd $145,991,844 0.91% 2,034,446
Mid DUFF & PHELPS INVESTMENT MANAGEMENT CO $136,213,037 0.84% 1,898,175
Mega JENNISON ASSOCIATES LLC $126,740,143 0.79% 1,766,167
Mid JOHNSON INVESTMENT COUNSEL INC $120,988,795 0.75% 1,686,020
Mega GOLDMAN SACHS GROUP INC $110,384,460 0.68% 1,538,245
Mega Bank of New York Mellon Corp Bank $108,322,142 0.67% 1,509,506
Mega VANGUARD FIDUCIARY TRUST CO Bank $103,915,512 0.64% 1,448,098
Mega DIMENSIONAL FUND ADVISORS LP $99,290,434 0.62% 1,383,646
Mega NEUBERGER BERMAN GROUP LLC $94,980,602 0.59% 1,323,587
Mega DEUTSCHE BANK AG\ Bank $91,414,127 0.57% 1,273,887
Large Point72 Asset Management, L.P. $89,239,372 0.55% 1,243,581
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $85,161,820 0.53% 1,186,759
Mega FIRST TRUST ADVISORS LP $81,305,730 0.50% 1,133,023
Large Squarepoint Ops LLC $81,297,047 0.50% 1,132,902
Mega UBS Group AG $78,888,708 0.49% 1,099,341
Mid VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. $78,445,160 0.49% 1,093,160
Large Thrivent Financial for Lutherans $77,384,403 0.48% 1,078,378
Mega ALLIANCEBERNSTEIN L.P. $76,803,436 0.48% 1,070,282
Mega BARCLAYS PLC $67,966,262 0.42% 947,133
Mega PRINCIPAL FINANCIAL GROUP INC $64,407,110 0.40% 897,535
Large TORONTO DOMINION BANK Bank $61,121,364 0.38% 851,747
Large MARSHALL WACE, LLP $60,696,401 0.38% 845,825
Mid Energy Income Partners, LLC $58,093,737 0.36% 809,556
Mega LPL Financial LLC $56,867,718 0.35% 792,471
Mid VAUGHAN DAVID INVESTMENTS LLC/IL $55,973,876 0.35% 780,015
Large BAHL & GAYNOR INC $55,667,532 0.35% 775,746
Mid ANCHOR CAPITAL ADVISORS LLC $55,355,664 0.34% 771,400
Mega Swiss National Bank Bank $54,128,568 0.34% 754,300
Mega ENVESTNET ASSET MANAGEMENT INC $51,966,367 0.32% 724,169
Large RENAISSANCE TECHNOLOGIES LLC $50,999,832 0.32% 710,700
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $50,731,306 0.31% 706,958
Large Artisan Partners Limited Partnership $46,219,683 0.29% 644,087
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $46,177,201 0.29% 643,495
Mid Carnegie Investment Counsel $45,806,058 0.28% 638,323
Large Russell Investments Group, Ltd. $45,324,975 0.28% 631,619
Large ExodusPoint Capital Management, LP $45,184,186 0.28% 629,657
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $45,152,540 0.28% 629,216
Mega D. E. Shaw & Co., Inc. $43,356,458 0.27% 604,187
Mega Mitsubishi UFJ Asset Management Co., Ltd. $42,649,551 0.26% 594,336
Mid REGIONS FINANCIAL CORP $41,757,574 0.26% 581,906
Mega Sumitomo Mitsui Trust Group, Inc. $40,464,889 0.25% 563,892
Mega Vanguard Global Advisers, LLC $40,257,647 0.25% 561,004
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $39,222,580 0.24% 546,580
Mega RHUMBLINE ADVISERS $39,114,869 0.24% 545,079
Mega BNP PARIBAS ARBITRAGE, SA $36,786,544 0.23% 512,633
Large Hudson Bay Capital Management LP $36,525,983 0.23% 509,002
Large UniSuper Management Pty Ltd $35,681,081 0.22% 497,228
Mega Amundi $35,587,290 0.22% 495,921
Mega WELLS FARGO & COMPANY/MN $35,011,773 0.22% 487,901
Mega VANGUARD ASSET MANAGEMENT, Ltd $34,119,798 0.21% 475,471
Mega ROYAL BANK OF CANADA Bank $34,090,446 0.21% 475,062
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $32,503,835 0.20% 452,952
Mid HITE Hedge Asset Management LLC $32,262,650 0.20% 449,591
Mega CITIGROUP INC $32,182,708 0.20% 448,477
Large Retirement Systems of Alabama Pension $31,482,547 0.20% 438,720
Mega California Public Employees Retirement System Pension $31,315,705 0.19% 436,395
Small LIBERTY ONE INVESTMENT MANAGEMENT, LLC $31,008,858 0.19% 432,119
Mega AMERIPRISE FINANCIAL INC $29,984,126 0.19% 417,839
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $29,502,544 0.18% 411,128
Mega HSBC HOLDINGS PLC $28,902,557 0.18% 402,767
Large Verition Fund Management LLC $28,669,339 0.18% 399,517
Large PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO Pension $28,462,312 0.18% 396,632
Mid GODSEY & GIBB, INC $26,821,878 0.17% 373,772
Large Gotham Asset Management, LLC $26,785,711 0.17% 373,268
Mid Aventail Capital Group, LP $26,125,447 0.16% 364,067
Large GABELLI FUNDS LLC $25,159,199 0.16% 350,602
Large SEI INVESTMENTS CO $22,977,048 0.14% 320,193
Large STATE OF WISCONSIN INVESTMENT BOARD $22,449,183 0.14% 312,837
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $21,971,046 0.14% 306,174
Mid Sourcerock Group LLC $21,467,004 0.13% 299,150
Mid GATEWAY INVESTMENT ADVISERS LLC $20,963,392 0.13% 292,132
Mega CITADEL ADVISORS LLC $20,806,524 0.13% 289,946
Mega RAYMOND JAMES FINANCIAL INC $19,798,655 0.12% 275,901
Mid SummitTX Capital, L.P. $19,426,580 0.12% 270,716
Large NATIXIS ADVISORS, LLC $19,326,976 0.12% 269,328
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $19,108,755 0.12% 266,287
Large Creative Planning $18,820,925 0.12% 262,276
Large Vanguard Investments Australia, Ltd. $17,979,826 0.11% 250,555
Key facts CIK 352541 CUSIP 018802108 13F (30d) 8 filings 7 filers Visit website Investor relations

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