DOSSIER · 13F Holders · Q4 2025
LNT 3.875 03/15/26

ALLIANT ENERGY CORP

2 institutions still hold ALLIANT ENERGY CORP as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 018802AC2·2 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$56M
visible holders
Holders
2
filers reporting
Concentration
100.00%
D. E. Shaw & Co., Inc. #1
top holder share
AI Holders Summary · Q4 2025

2 institutions reported LNT 3.875 03/15/26 in Q4 2025. D. E. Shaw & Co., Inc. leads at 100.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
D. E. Shaw & Co., Inc.
CIK 0001009207
$56M53.4M0.03%Q4 2025
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025