DOSSIER · 13F Holders · Q2 2026
LNT 3.25 05/30/28

ALLIANT ENERGY CORP

7 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 018802AE8·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$50M
visible holders
Holders
7
filers reporting
Concentration
38.54%
Arena Capital Advisors, LLC- CA #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported LNT 3.25 05/30/28 in Q2 2026. Arena Capital Advisors, LLC- CA leads at 38.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Arena Capital Advisors, LLC- CA
CIK 0001833078
$19M17.3M9.21%Q2 2026
02
RATIONAL ADVISORS, INC.
CIK 0001143565
$11M10.0M1.01%Q2 2026
03
INCOME RESEARCH & MANAGEMENT
CIK 0001165830
$10M9.0M5.37%Q2 2026
04
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$7M6.0M0.54%Q2 2026
05
LAFFER TENGLER INVESTMENTS, INC.
CIK 0001307878
$3M3K0.39%Q2 2026
06
NBC SECURITIES, INC.
CIK 0000791540
$11K10K0.00%Q2 2026
07
Goldstein Advisors, LLC
CIK 0001963807
$11K10K0.00%Q2 2026