THOMPSON INVESTMENT MANAGEMENT, INC.

Position in LNT — Alliant Energy Corp

CIK 1277279 MADISON, WI

Position in LNT

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$6,376,089

+$431,348 QoQ

Shares Held

83,577

+0.9% QoQ

Ownership

0.032%

of shares outstanding

% of Portfolio

0.79%

of 13F equity value

Holder Rank

#167

of 875 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 99% Shared 0% None 1%

Utilities · as of Jun 30, 2026

THOMPSON INVESTMENT MANAGEMENT, INC. holds $16,411,911 across 10 Utilities - Regulated Electric names. LNT ranks #2 (38.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WEC	Wec Energy Group, Inc.	67,866	$7,924,712
2	LNT	Alliant Energy Corp This page	83,577	$6,376,089
3	XEL	Xcel Energy Inc	12,704	$1,020,131
4	MGEE	Mge Energy Inc	6,836	$557,407
5	SO	Southern Co	3,614	$345,895
6	NEE	Nextera Energy Inc	1,816	$159,390
7	DUK	Duke Energy CORP	80	$10,126
8	AEP	American Electric Power Co Inc	68	$9,303

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,376,089	83,577	+0.9%	Shares	Sole	2026-07-13
2026-03-31	$5,944,741	82,842	+0.6%	Shares	Sole	2026-04-08
2025-12-31	$5,352,988	82,341	+0.3%	Shares	Sole	2026-01-14
2025-09-30	$5,531,866	82,063	+2.8%	Shares	Sole	2025-10-17
2025-06-30	$4,829,315	79,863	-0.2%	Shares	Sole	2025-07-24
2025-03-31	$5,148,579	80,009	+0.2%	Shares	Sole	2025-04-15
2024-12-31	$4,720,081	79,812	-0.5%	Shares	Sole	2025-01-28
2024-09-30	$4,867,338	80,200	+4306.6%	Shares	Sole	2024-10-15
2024-06-30	$92,638	1,820	+0.1%	Shares	Sole	2024-07-08
2024-03-31	$91,627	1,818	+0.2%	Shares	Sole	2024-04-15
2023-12-31	$93,109	1,815	+3.5%	Shares	Sole	2024-01-16
2023-09-30	$84,932	1,753	+9.4%	Shares	Sole	2023-10-30
2023-06-30	$84,125	1,603	0.0%	Shares	Sole	2023-07-10
2023-03-31	$85,600	1,603	—	Shares	Sole	2023-04-24
No filing history on record for this holder in this stock.