Alliant Energy

LNT • NASDAQ

Alliant Energy is a regulated electric company in the utilities sector on NASDAQ, led by Lisa M. Barton, with a market cap of $16.8B. As of Q3 2025, 87% of shares are held by 772 institutional investors, with VANGUARD GROUP INC as the largest holder at 12.99%.

CEOLisa M. Barton

Market Cap$16.8B

Regulated Electric

Utilities

Employees3.3K

Websitealliantenergy.com

Country

United States of America

Overview

Overview of institutional ownership in LNT as of Q3 2025 with a market cap of $17.3B

All Institutions

Institutions: 772
Value Held: $15.0B
Shares Held: 222.6M
Avg Position: $19.4M
Median Position: $608.5K

Hedge Funds

Hedge Funds: 45
Value Held: $855.6M
Shares Held: 12.7M
Avg Position: $19.0M
Median Position: $5.6M

Ownership Breakdown

Institutional (non-HF)

81.62%

$14.1B

Hedge Funds

4.94%

$855.6M

Retail & Other

13.44%

$2.3B

Based on market cap of $17.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in LNT as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$2.3B 0.03% of portfolio	12.99% 33.4M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$1.6B 0.03% of portfolio	9.35% 24.0M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$1.1B 0.04% of portfolio	6.42% 16.5M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
HENDERSON GROUP PLC Institution	Ali Dibadj CEO	$735.5M 0.34% of portfolio	4.24% 10.9M shares	≤ Q2 2013 Held for 12y 5m+	$218.74B
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	David Craig Brown CEO	$615.0M 0.39% of portfolio	3.55% 9.1M shares	Q3 2013 Held for 12y 2m	$158.22B
N Nuveen, LLC Institution	-	$591.3M 0.16% of portfolio	3.41% 8.8M shares	Q1 2025 Held for 8 months	$377.89B
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Long Only Manager	Edward Murray Maloney CEO	$472.3M 0.15% of portfolio	2.73% 7.0M shares	≤ Q2 2013 Held for 12y 5m+	$322.72B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$466.2M 0.03% of portfolio	2.70% 6.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$320.0M 0.05% of portfolio	1.85% 4.7M shares	≤ Q2 2013 Held for 12y 5m+	$633.08B
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	Kenneth Cordele Griffin CEO	$289.1M 0.24% of portfolio	1.67% 4.3M shares	≤ Q2 2013 Held for 12y 5m+	$122.08B

Net Capital Flow

Institutional buying and selling activity for LNT in Q3 2025

Traded: +$676.8M
Buyers: 364
Sellers: 296
Total Bought: +$1.2B
Total Sold: −$523.3M
Avg Position: $18.0M

Biggest Buyers

Institution	Net Bought	Current Position
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$284.0M +4.2M shares	$289.1M 4.3M shares
COHEN & STEERS INC Institution	+$108.3M +1.6M shares	$172.0M 2.6M shares
Magellan Asset Management Ltd Long Only Manager	+$93.1M +1.4M shares	$104.7M 1.6M shares
FMR LLC Institution	+$73.2M +1.1M shares	$95.4M 1.4M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	+$56.7M +841.5K shares	$75.0M 1.1M shares
Pictet Asset Management Holding SA Long Only Manager	+$46.7M +692.6K shares	$259.7M 3.9M shares
R REAVES W H & CO INC Institution	+$42.2M +626.4K shares	$119.9M 1.8M shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	+$38.0M +563.6K shares	$62.9M 933.4K shares
LIBERTY ONE INVESTMENT MANAGEMENT, LLC RIA/Wealth	+$31.8M +471.0K shares	$66.4M 984.8K shares
N Nuveen, LLC Institution	+$27.4M +406.2K shares	$591.3M 8.8M shares

Biggest Sellers

Institution	Net Sold	Current Position
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	−$58.0M −860.5K shares	$615.0M 9.1M shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	−$37.5M −619.9K shares	Sold Off 0 shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$35.5M −526.6K shares	$83.3M 1.2M shares
MORGAN STANLEY RIA/Wealth	−$23.2M −343.7K shares	$212.4M 3.2M shares
Marshall Wace LLP Institution	−$20.8M −307.9K shares	$47.6M 706.5K shares
Q Qube Research & Technologies Ltd Institution	−$18.8M −311.3K shares	Sold Off 0 shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$16.6M −246.7K shares	$7.3M 108.4K shares
STATE STREET CORP Institution	−$16.1M −238.9K shares	$1.1B 16.5M shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	−$15.8M −234.0K shares	$33.6M 499.2K shares
J JANE STREET GROUP, LLC Institution	−$10.9M −162.2K shares	$2.0M 29.6K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited LNT in Q3 2025

New Positions: 33
New Value: $22.3M
Exited Positions: 61
Exited Value: $101.1M

New Positions

Institution	Position Value
Resolution Capital Ltd Real Assets	$8.0M 118.8K shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	$3.5M 51.4K shares
D Delta Global Management LP Hedge Fund•Market Neutral	$1.8M 26.6K shares
E Entropy Technologies, LP Hedge Fund•Quant Macro	$1.6M 24.3K shares
Q Qsemble Capital Management, LP Hedge Fund•Quant	$1.3M 19.0K shares
INFRASTRUCTURE CAPITAL ADVISORS, LLC ETF Provider	$895.1K 13.4K shares
P PICTON MAHONEY ASSET MANAGEMENT Institution	$822.2K 12.2K shares
H Hartree Partners, LP Institution	$539.3K 8.0K shares
Requisite Capital Management, LLC RIA/Wealth	$373.3K 5.5K shares
Financial Connections Group, Inc. RIA/Wealth	$350.5K 5.2K shares

Exited Positions

Institution	Previous Position
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	$37.5M 619.9K shares
Q Qube Research & Technologies Ltd Institution	$18.8M 311.3K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$6.8M 112.2K shares
Z Zimmer Partners, LP Hedge Fund•Long/Short	$6.0M 100.0K shares
ISAM Funds Ltd Hedge Fund•Quant	$3.0M 49.6K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$2.8M 46.8K shares
P Polymer Capital Management LLC Hedge Fund•Multi-Strategy	$2.4M 40.0K shares
D Dynamic Technology Lab Private Ltd Institution	$1.9M 31.7K shares
X XTX Topco Ltd Institution	$1.7M 28.8K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$1.7M 27.6K shares

Options Activity

Institutions with the largest Call and Put options positions in LNT as of Q3 2025

Call Positions: 7
Call Value: $12.7M
Put Positions: 4
Put Value: $2.4M

Call Positions

Institution	Position Value
Walleye Trading LLC RIA/Wealth	$5.6M 836.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.6M 824.0 contracts
J JANE STREET GROUP, LLC Institution	$660.6K 98.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$525.8K 78.0 contracts
W WOLVERINE TRADING, LLC Institution	$293.8K 44.0 contracts
BARCLAYS PLC Institution	$13.5K 2.0 contracts
UBS Group AG Institution	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.3M 199.0 contracts
W WOLVERINE TRADING, LLC Institution	$674.5K 101.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$310.1K 46.0 contracts
Walleye Trading LLC RIA/Wealth	$27.0K 4.0 contracts

Most Committed Institutions

Institutions with LNT as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
LIBERTY ONE INVESTMENT MANAGEMENT, LLC RIA/Wealth	Roch Richard Tranel CEO	3.73% $66.4M	0.38% 984.8K shares	Q4 2019 Held for 5y 11m	$1.8B
Delos Wealth Advisors, LLC RIA/Wealth	Cody Lee Lummus CEO	3.03% $4.5M	0.03% 66.6K shares	Q2 2022 Held for 3y 5m	$148.1M
UBS OCONNOR LLC Long Only Manager	James Poucher CEO	2.82% $20.4M	0.12% 303.0K shares	Q3 2025 Held for 2 months	$723.8M
G GODSEY & GIBB ASSOCIATES Institution	-	2.22% $25.1M	0.14% 372.6K shares	Q4 2022 Held for 2y 11m	$1.1B
R REAVES W H & CO INC Institution	-	2.14% $119.9M	0.69% 1.8M shares	Q2 2020 Held for 5y 5m	$5.6B
G Greenland Capital Management LP Hedge Fund•Multi-Strategy	Michael J Englander CEO	2.03% $13.0M	0.08% 193.1K shares	Q4 2022 Held for 2y 11m	$641.9M
M MAIRS & POWER INC Institution	-	1.90% $201.8M	1.16% 3.0M shares	Q4 2013 Held for 11y 11m	$10.6B
Enhancing Capital LLC RIA/Wealth	George Adam Parmer President	1.56% $2.1M	0.01% 31.6K shares	Q4 2024 Held for 11 months	$136.7M
ANCHOR CAPITAL ADVISORS LLC Long Only Manager	William Phipps Rice CEO	1.54% $53.2M	0.31% 788.7K shares	Q1 2021 Held for 4y 8m	$3.5B
HITE Hedge Asset Management LLC Hedge Fund•Long/Short	James Meyers Jampel Founder	1.50% $27.6M	0.16% 409.5K shares	Q4 2020 Held for 4y 11m	$1.8B