Alliant Energy Corp (LNT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

222,606,232Shares Outstanding

11,495,666Shares held by institutions

$817,341,853Value of institutional holdings

60.98%Institutional ownership %

4.04%Shares Changed QoQ

352No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 794 institutions have reported a stake in Alliant Energy Corp (NASDAQ:LNT) as of December 2025, according to recent 13F filings with the SEC.

The percentage of Alliant Energy owned by institutions changed from 86.8% in September 2025 to 84.3% in December 2025, marking a slight down trend.
Quarterly data indicates a 0.99% shift in institutional share volume, and the annual owner count reflects an increase of 11.52%.
Of these 794 institutional investors, 394 increased their holdings in Alliant Energy, while 232 of them reduced positions, and 168 investors maintained their exposure.
Collectively, institutional investors increased their stake in Alliant Energy to 216.24Mn shares as of December 2025, a change that is up by 2.11Mn shares quarter on quarter and up 2.74Mn shares year over year.
With 33.79Mn shares, VANGUARD GROUP INC commands the largest institutional position in Alliant Energy as of December 31, 2025, equating to 13.18% of the company.
Among the most significant buyers of Alliant Energy during December 2025 were REAVES W H & CO INC (1.28Mn), COHEN & STEERS, INC. (1.06Mn), FMR LLC (896.46K), JENNISON ASSOCIATES LLC (867.26K), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (769.46K).
Leading sellers of Alliant Energy stock in December 2025 included CITADEL ADVISORS LLC (3.64Mn), Nuveen, LLC (1.38Mn), BALYASNY ASSET MANAGEMENT L.P. (1.35Mn), MILLENNIUM MANAGEMENT LLC (1.22Mn), LIBERTY ONE INVESTMENT MANAGEMENT, LLC (600.64K).
The top 10 institutional holders of Alliant Energy for the quarter ending December 2025 included VANGUARD GROUP INC (33.79Mn), BlackRock, Inc. (24.33Mn), STATE STREET CORP (16.88Mn), JANUS HENDERSON GROUP PLC (11.13Mn), VICTORY CAPITAL MANAGEMENT INC (8.58Mn), Nuveen, LLC (7.39Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (7.17Mn), GEODE CAPITAL MANAGEMENT, LLC (7.07Mn), Pictet Asset Management Holding SA (4.07Mn), BANK OF AMERICA CORP /DE/ (3.74Mn).

794 Institutional Holders

11,495,666 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	33,785,294	383,612	1.15%	$2,196,381,964.00
BlackRock, Inc.	31 Dec, 2025	24,325,896	293,926	1.22%	$1,581,426,530.00
STATE STREET CORP	31 Dec, 2025	16,881,617	386,060	2.34%	$1,097,473,921.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	11,134,938	223,793	2.05%	$723,882,410.00
VICTORY CAPITAL MANAGEMENT INC	31 Dec, 2025	8,578,743	-544,124	-5.96%	$557,704,083.00
Nuveen, LLC	31 Dec, 2025	7,393,170	-1,378,513	-15.72%	$480,629,949.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	7,173,906	167,581	2.39%	$466,375,629.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	7,071,908	128,998	1.86%	$458,070,606.00
Pictet Asset Management Holding SA	31 Dec, 2025	4,067,962	215,188	5.59%	$264,458,210.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	3,742,361	390,570	11.65%	$243,290,861.00
FRANKLIN RESOURCES INC	31 Dec, 2025	3,684,906	4,295	0.12%	$239,555,738.00
COHEN & STEERS, INC.	31 Dec, 2025	3,614,890	1,063,268	41.67%	$235,004.00
MORGAN STANLEY	31 Dec, 2025	3,084,452	-67,106	-2.13%	$200,520,359.00
REAVES W H & CO INC	31 Dec, 2025	3,057,253	1,278,166	71.84%	$198,752,017.00
MAIRS & POWER INC	31 Dec, 2025	2,956,947	-36,696	-1.23%	$192,231,124.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,327,921	19,206	0.83%	$151,338,144.00
FMR LLC	31 Dec, 2025	2,312,362	896,457	63.31%	$150,326,692.00
Legal & General Group Plc	31 Dec, 2025	2,205,045	-101,277	-4.39%	$143,350,200.00
Magellan Asset Management Ltd	31 Dec, 2025	2,180,425	626,730	40.34%	$141,749,429.00
NORTHERN TRUST CORP	31 Dec, 2025	2,144,834	-58,532	-2.66%	$139,435,658.00

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