DOSSIER · 13F Holders · Q2 2026Utilities · Electric & Other Services Combined
LNT

ALLIANT ENERGY CORP

909 institutions still hold ALLIANT ENERGY CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 018802108·Electric & Other Services Combined·909 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$13.0B
visible holders
Holders
909
filers reporting
Concentration
14.71%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

909 institutions reported LNT in Q2 2026. BlackRock, Inc. leads at 14.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.9B25.0M0.03%Q2 2026
02
STATE STREET CORP
CIK 0000093751
$1.3B17.6M0.04%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.3B16.9M0.03%Q2 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$1.1B14.4M0.05%Q2 2026
05
Jupiter Topco LLC
CIK 0002146052
$837M11.0M0.34%Q2 2026
06
JANUS HENDERSON GROUP PLC
CIK 0001274173
$809M11.3M0.39%Q1 2026
07
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$761M10.6M0.09%Q1 2026
08
Nuveen, LLC
CIK 0001871926
$602M7.9M0.14%Q2 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$563M7.4M0.03%Q2 2026
10
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$534M6.9M0.17%Q2 2026
11
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$491M6.4M0.28%Q2 2026
12
BANK OF AMERICA CORP /DE/
CIK 0000070858
$426M5.6M0.03%Q2 2026
13
FMR LLC
CIK 0000315066
$385M5.0M0.02%Q2 2026
14
Invesco Ltd.
CIK 0000914208
$375M4.9M0.03%Q2 2026
15
FRANKLIN RESOURCES INC
CIK 0000038777
$296M3.9M0.06%Q2 2026
16
MORGAN STANLEY
CIK 0000895421
$259M3.4M0.01%Q2 2026
17
DEUTSCHE BANK AG\
CIK 0000948046
$258M3.4M0.07%Q2 2026
18
Pictet Asset Management Holding SA
CIK 0001993888
$254M3.3M0.24%Q2 2026
19
JPMORGAN CHASE & CO
CIK 0000019617
$242M3.1M0.01%Q2 2026
20
COHEN & STEERS, INC.
CIK 0001284812
$235M3.3M0.41%Q1 2026
Page 1 of 46
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Insiders at ALLIANT ENERGY CORP
Durian Robert JAsthana ManuNewport Roger KGarcia Michael DennisRaymond ChristieFalotico Nancy JoyCox StephanieAllen Patrick E