ALLIANT ENERGY CORP

LNTNASDAQ

$64.33+0.62 (+0.97%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ALLIANT ENERGY CORP price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-3.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	9.67%	$1.91B	0.03%	Not reported
State Street Corp	6.80%	$1.34B	0.04%	Not reported
Vanguard Capital Management LLC	6.53%	$1.29B	0.03%	Not reported
Vanguard Portfolio Management LLC	5.57%	$1.1B	0.05%	Not reported
Jupiter Topco LLC	4.25%	$837M	0.34%	Not reported
Nuveen, LLC	3.06%	$602M	0.14%	Not reported
Geode Capital Management, LLC	2.87%	$563M	0.03%	Not reported
Massachusetts Financial Services Co	2.69%	$534M	0.17%	Reduce 1.57%
Victory Capital Management Inc	2.49%	$491M	0.28%	Not reported
Bank of America Corp	2.16%	$426M	0.03%	Not reported
FMR LLC	1.95%	$385M	0.02%	Not reported
Invesco Ltd.	1.90%	$375M	0.03%	Not reported
Morgan Stanley	1.31%	$259M	0.01%	Not reported
Deutsche Bank Ag\	1.31%	$258M	0.07%	Not reported
Pictet Asset Management Holding SA	1.29%	$254M	0.24%	Reduce 2.26%
JPMorgan Chase & Co	1.21%	$242M	0.01%	Not reported
Cohen & Steers, Inc.	1.17%	$230M	0.36%	Reduce 7.93%
Goldman Sachs Group Inc	1.13%	$223M	0.02%	Not reported
Reaves W H & Co Inc	1.08%	$212M	3.22%	Reduce 6.97%
Mairs & Power Inc	1.03%	$203M	1.86%	Reduce 8.00%
Barclays PLC	1.02%	$201M	0.04%	Not reported
Charles Schwab Investment Management Inc	0.93%	$184M	0.02%	Not reported
Northern Trust Corp	0.83%	$163M	0.02%	Not reported
Point72 Asset Management, L.P.	0.81%	$160M	0.18%	Not reported
Magellan Asset Management Ltd	0.77%	$152M	3.39%	Reduce 2.31%
Duff & Phelps Investment Management Co	0.76%	$150M	1.41%	Add 3.48%
Legal & General Group Plc	0.73%	$144M	0.03%	Not reported
Jennison Associates LLC	0.66%	$131M	0.08%	Reduce 3.00%
Bank of New York Mellon Corp	0.57%	$112M	0.02%	Not reported
Vanguard Fiduciary Trust Co	0.56%	$111M	0.02%	Not reported
Johnson Investment Counsel Inc	0.56%	$110M	0.80%	Not reported
Dimensional Fund Advisors LP	0.55%	$109M	0.02%	Not reported
Merewether Investment Management, LP	0.55%	$108M	2.03%	New Not reported
Squarepoint Ops LLC	0.52%	$103M	0.11%	Not reported
Neuberger Berman Group LLC	0.51%	$101M	0.07%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.50%	$98.3M	0.02%	Not reported
Alliancebernstein L.P.	0.49%	$91.3M	0.03%	Not reported
UBS Group AG	0.43%	$85M	0.01%	Not reported
Vaughan Nelson Investment Management, L.P.	0.43%	$83.8M	0.74%	Add 0.54%
Thrivent Financial for Lutherans	0.41%	$81.3M	0.14%	Reduce 1.17%
Envestnet Asset Management Inc	0.36%	$71.4M	0.02%	Not reported
Voloridge Investment Management, LLC	0.36%	$70.1M	0.30%	Add 46.02%
First Trust Advisors LP	0.35%	$69.9M	0.04%	Reduce 19.16%
Citigroup Inc	0.35%	$68.7M	0.02%	Not reported
Principal Financial Group Inc	0.34%	$67M	0.03%	Not reported
Toronto Dominion Bank	0.34%	$66.9M	0.08%	Not reported
Energy Income Partners, LLC	0.32%	$63.1M	0.99%	Add 2.12%
Bahl & Gaynor LLC	0.32%	$62.4M	0.29%	Add 5.49%
LPL Financial LLC	0.31%	$60.8M	0.01%	Not reported
Vaughan David Investments LLC	0.30%	$59.5M	1.18%	Reduce 0.08%

50 of 836 holders

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