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LNT · Alliant Energy Corp

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475

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LNT

Name: ALLIANT ENERGY CORP (LNT) insider trading and ownership data
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ALLIANT ENERGY CORP

UTILITIES · ELECTRIC & OTHER SERVICES COMBINED · CIK 0000352541

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$7

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

469

13F, latest reported quarter

REVENUE GROWTH

+9.6%

XBRL, annual

NET MARGIN

18.6%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$7 over 180 days

-$7 over 90 days

more than 69% of Utilities

CONGRESS

no member of Congress has reported trading it

FUNDS

469 funds added or opened last quarter

more than 76% of Utilities

REVENUE

+9.6% year over year

more than 58% of Utilities

MARGIN

18.6% net margin

more than 81% of Utilities

BUYBACKS

no share repurchases reported

SHORT

10.6% of shares outstanding short · 10.7 days to cover · settled 2026-07-31

more than 92% of Utilities

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

469 funds added or opened positions in the latest 13F quarter, of 887 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +8.0%

+8.0%12M

INSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

The complete filing record, in one place.

The record shows a net $7 sold by insiders over 180 days, 469 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

ED YORW OKLO CWST PCG QRHC RGCO WM VST TRGP ORA SMC

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, ALLIANT ENERGY CORP insiders sold a net $7 of stock across 5 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-04.

INSIDER

FILED

VALUE

DURIAN ROBERT J

EVP and CFO

SELL

2026-08-10

0.097

Barton Lisa M

President and CEO

BUY

2024-02-20

1,100.0

$53.4K

Sundararajan Raja

Executive Vice President

BUY

2024-02-20

500.0

$24.1K

Falotico Nancy Joy

Director

BUY

2022-06-09

1,200.0

$73.2K

GALLEGOS JAMES H

EVP, Gen Cnsl and Corp Sec

SELL

2022-02-28

10,000.0

$580.4K

5 TRANSACTIONS ON RECORD · THIN RECORD, READ IT AS SUCH

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Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

24,986,672.0 sh

$1.9B

STATE STREET CORP

17,571,998.0 sh

$1.3B

VANGUARD CAPITAL MANAGEMENT LLC

16,861,714.0 sh

$1.3B

VANGUARD PORTFOLIO MANAGEMENT LLC

14,386,177.0 sh

$1.1B

Jupiter Topco LLC

10,977,426.0 sh

$837.5M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Virtus Reaves Utilities ETF

$77.5M POSITION · AS OF 2026-04-30

4.9%

Liberty One Defensive Dividend Growth ETF

$2.1M POSITION · AS OF 2026-04-30

4.1%

Cohen & Steers Infrastructure Opportunities Active ETF

$982.3K POSITION · AS OF 2026-03-31

3.8%

Vaughan Nelson Mid Cap Fund

$6.8M POSITION · AS OF 2026-03-31

3.6%

Saratoga Mid Capitalization Portfolio

$387.4K POSITION · AS OF 2026-02-28

3.4%

Invesco S&P 500 Equal Weight Utilities ETF

$19.3M POSITION · AS OF 2026-04-30

3.3%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Executive pay vs shareholder return · Ms. Barton

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2025

$9.0M

$10.8M

$3.3M

+48%

+44%

2024

$7.0M

$8.5M

$3.2M

+30%

+29%

2023

$9.7M

$7.2M

$2.6M

+9%

+8%

2022

$7.3M

$5.4M

$1.6M

+14%

+18%

2021

$10.4M

$10.2M

$1.6M

+23%

+17%

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$4.4B	$4.0B	$4.0B	$4.2B
OPERATING INCOME	$1.0B	$886.0M	$943.0M	$928.0M
NET INCOME	$810.0M	$690.0M	$703.0M	$686.0M
EPS (DILUTED)	3.14	2.69	2.78	2.73
OPERATING CASH FLOW	$1.2B	$1.2B	$867.0M	$486.0M
CASH	$556.0M	$81.0M	$62.0M	$20.0M
LONG-TERM DEBT	$11.0B	$8.7B	$8.2B	$7.7B
DIVIDENDS PAID	$521.0M	$492.0M	$456.0M	$428.0M

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-04 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE