DOSSIER · 13F Holders · Q1 2026Utilities · Electric & Other Services Combined
LNT

ALLIANT ENERGY CORP

888 institutions still hold ALLIANT ENERGY CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 018802108·Electric & Other Services Combined·888 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$11.4B
visible holders
Holders
888
filers reporting
Concentration
15.40%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

888 institutions reported LNT in Q1 2026. BlackRock, Inc. leads at 15.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.8B24.5M0.03%Q1 2026
02
STATE STREET CORP
CIK 0000093751
$1.2B17.0M0.04%Q1 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.2B16.7M0.03%Q1 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$1.0B14.6M0.05%Q1 2026
05
JANUS HENDERSON GROUP PLC
CIK 0001274173
$809M11.3M0.39%Q1 2026
06
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$761M10.6M0.09%Q1 2026
07
Nuveen, LLC
CIK 0001871926
$534M7.4M0.14%Q1 2026
08
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$519M7.2M0.33%Q1 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$519M7.3M0.03%Q1 2026
10
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$510M7.0M0.17%Q1 2026
11
BANK OF AMERICA CORP /DE/
CIK 0000070858
$384M5.3M0.03%Q1 2026
12
Invesco Ltd.
CIK 0000914208
$358M5.0M0.04%Q1 2026
13
FRANKLIN RESOURCES INC
CIK 0000038777
$280M3.9M0.07%Q1 2026
14
Pictet Asset Management Holding SA
CIK 0001993888
$245M3.4M0.26%Q1 2026
15
MORGAN STANLEY
CIK 0000895421
$240M3.4M0.01%Q1 2026
16
COHEN & STEERS, INC.
CIK 0001284812
$235M3.3M0.41%Q1 2026
17
REAVES W H & CO INC
CIK 0000740913
$215M3.0M3.56%Q1 2026
18
MAIRS & POWER INC
CIK 0001070134
$207M2.9M2.12%Q1 2026
19
FMR LLC
CIK 0000315066
$205M2.9M0.01%Q1 2026
20
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$170M2.4M0.03%Q1 2026
Page 1 of 45
868 more holders available. Log in →
Insiders at ALLIANT ENERGY CORP
Asthana ManuNewport Roger KGarcia Michael DennisRaymond ChristieFalotico Nancy JoyCox StephanieAllen Patrick ECortina Ignacio A