Energy supplier · Company

Alliant Energy

Alliant Energy supplies energy to a data center in the United States. It has 2 subsidiaries in the data, linked to 7 assets and rights. 879 institutional managers reported $17.9 bn of its shares on 13F at 30 Jun 2026, 98.1% of the shares outstanding; the largest was BlackRock Finance, Inc.

Assets it supplies with energy

The 1 asset Alliant Energy supplies with energy. It is not recorded as the owner.

Data center1

Data centers 1

Data center	Location	Role	IT power
QTS Cedar Rapids	Iowa, United States	Energy supplier	—

By country

Where the assets and rights are.

The United States1 data center

Group

Subsidiaries

2 companies under Alliant Energy, direct and through other subsidiaries.

Subsidiary	Held through	Share	Assets and rights
Interstate Power and Light Co	Direct	—	4
Wisconsin Power & Light Co	Direct	—	3

Subsidiaries' portfolio

7 assets and rights across the subsidiaries, each counted once. This total is apart from the portfolio above; together, the group links to 8.

Power plants7

Institutional shareholders

Managers that reported $100 m or more of Alliant Energy's shares, or 1% or more of them, on Form 13F at 30 Jun 2026: the 25 largest of 37. 879 managers reported holdings in all.

Manager	Value	Shares	Of shares outstanding
BlackRock Finance, Inc.	$1.91 bn	24,986,672	9.67%
State Street Corporation	$1.34 bn	17,571,998	6.8%
Vanguard Capital Management, LLC	$1.29 bn	16,861,714	6.53%
Vanguard Portfolio Management, LLC	$1.1 bn	14,386,177	5.57%
Jupiter Topco LLC	$837 m	10,977,426	4.25%
Nuveen, LLC	$602 m	7,890,946	3.06%
Geode Capital Management, LLC	$563 m	7,407,445	2.87%
Massachusetts Financial Services Company	$534 m	6,936,512	2.69%
Victory Capital Management Inc.	$491 m	6,442,409	2.49%
Bank of America Corporation	$426 m	5,582,621	2.16%
FMR LLC	$385 m	5,043,741	1.95%
Invesco Ltd.	$375 m	4,912,484	1.9%
Franklin Resources Inc	$296 m	3,880,958	1.5%
Morgan Stanley	$259 m	3,392,292	1.31%
Deutsche Bank Aktiengesellschaft	$258 m	3,383,604	1.31%
Pictet Asset Management Holding SA	$254 m	3,335,106	1.29%
Jpmorgan Chase & Co.	$242 m	3,131,630	1.21%
The Goldman SACHS Group, Inc.	$223 m	2,917,632	1.13%
Reaves W H & Co Inc	$212 m	2,784,686	1.08%
Mairs and Power, Inc.	$203 m	2,657,913	1.03%
Barclays Plc	$201 m	2,639,212	1.02%
Charles Schwab Investment Management, Inc.	$184 m	2,410,742	0.93%
Northern Trust Corporation	$163 m	2,139,993	0.83%
Point72 Asset Management, L.P.	$160 m	2,094,866	0.81%
Magellan Asset Management Ltd	$152 m	1,987,533	0.77%

Facts

Fact	Value	Source
Location	United States	GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026
Location	Wisconsin	SEC EDGAR · record · Public domain · checked 24 Oct 2026
LEI	5493009ML300G373MZ12	Rare Context entity resolution · record · CC0 1.0 · checked 24 Oct 2026
LEI	5493009ML300G373MZ12	GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026
LEI	5493009ML300G373MZ12	Rare Context entity resolution · record · CC0 1.0 · checked 24 Oct 2026
SEC CIK	0000352541	SEC EDGAR · record · Public domain · checked 24 Oct 2026
Ticker	LNT (on Nasdaq)	SEC EDGAR · Public domain · checked 24 Oct 2026
Company number	1W16737	GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026

Also recorded as

Sources name Alliant Energy under 3 records; this page joins them. Links to any of them lead here.

Name in the source	Identifier	Source
Alliant Energy	party:name:alliant-energy	Epoch AI data centers
ALLIANT ENERGY CORPORATION	party:lei:5493009ML300G373MZ12	GLEIF LEI
ALLIANT ENERGY CORP	party:sec-cik:0000352541	SEC 13F data sets

Research on Alliant Energy.The owners of the assets it is linked to, its parent companies, and an introduction to the people who decide.

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Data on this page

Epoch AI. Epoch AI data centers, CC BY 4.0.
GLEIF LEI. GLEIF LEI, CC0 1.0.
Rare Context entity resolution. Rare Context entity resolution, CC0 1.0.
U.S. Securities and Exchange Commission. SEC 13F data sets, Public domain.
U.S. Securities and Exchange Commission. SEC EDGAR, Public domain.