Alliant Energy Ownership & Insider Activity

Alliant Energy (LNT) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.6% of shares outstanding. Institutional investors hold 78.5%. Over the past 90 days, insiders made 1 sale worth $7.

Shares Outstanding

257.141M

Shares Float

224.356M

Insider Shares Owned

1.429M

Insider % Owned

0.6%

Institutional Shares Held

203.601M

Institutional % Held

78.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$7 total

Net Activity

Net Selling

Net Value (90d)

-$7

Alliant Energy Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 10, 2026	ROBERT DURIAN	EVP AND CFO	SELL	0.097	$68.60	$7

Date	Member	Party	Chamber	Action	Amount
Aug 13, 2025	Lisa McClain	R	House	S	$1,001 - $15,000
Aug 4, 2025	Lisa McClain	R	House	P	$1,001 - $15,000
Sep 8, 2023	Lois Frankel	D	House	S	$1,001 - $15,000