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

ALLIANT ENERGY CORP

49 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 018802AE8·49 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$491M
visible holders
Holders
49
filers reporting
Concentration
12.58%
VICTORY CAPITAL MANAGEMENT INC #1
top holder share
AI Holders Summary · Q2 2026

49 institutions reported LNT 3.25 05/30/28 in Q2 2026. VICTORY CAPITAL MANAGEMENT INC leads at 12.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$62M56.3M0.03%Q2 202602
CAMDEN ASSET MANAGEMENT L P /CA
CIK 0000903944
$54M48.6M1.56%Q2 202603
CITADEL ADVISORS LLC
CIK 0001423053
$44M40.0M0.01%Q2 202604
BlackRock, Inc.
CIK 0002012383
$43M38.9M0.00%Q2 202605
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$35M32.2M0.05%Q2 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$32M29.4M0.02%Q2 202607
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$30M27.5M0.06%Q2 202608
Man Group plc
CIK 0001637460
$22M20.3M0.04%Q2 202609
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$22M20.0M0.31%Q2 202610
Arena Capital Advisors, LLC- CA
CIK 0001833078
$19M17.3M9.21%Q2 202611
Lombard Odier Asset Management (Europe) Ltd
CIK 0001535784
$18M16.5M0.76%Q2 202612
Calamos Advisors LLC
CIK 0001316507
$17M15.1M0.06%Q2 202613
STATE STREET CORP
CIK 0000093751
$16M14.4M0.00%Q2 202614
BANK OF AMERICA CORP /DE/
CIK 0000070858
$16M14.1M0.00%Q2 202615
AMERIPRISE FINANCIAL INC
CIK 0000820027
$13M12.0M0.00%Q2 202616
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$12M10.9M0.69%Q2 202617
PIER 88 INVESTMENT PARTNERS LLC
CIK 0001697366
$11M10.0M2.61%Q2 202618
RATIONAL ADVISORS, INC.
CIK 0001143565
$11M10.0M1.01%Q2 202619
INCOME RESEARCH & MANAGEMENT
CIK 0001165830
$8M7.9M4.81%Q3 202620
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$7M6.0M0.54%Q2 2026
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