ALLIANT ENERGY CORP - COM (LNT)

CUSIP: 018802108

Q3 2026 13F Holders as of 30 Sep 2026

Share change
-81,704
SEC-reported price per share
$63.30
Number of holders
259
Value change
-$6,871,783
Number of buys
108
Number of sells
106

Security key

018802108

Report period

Q3 2026

Institutions

259

Top holders

10

Ownership snapshot

Top reported holders of LNT - ALLIANT ENERGY CORP - COM (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/15
Latest evidence
30 Jun 2026
13F Highest disclosed value: $1,906,233,150 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. has the largest disclosed position value at $1.91B.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Disclosed position value Top 5
BlackRock, Inc. $1.91B
STATE STREET CORP $1.34B
VANGUARD CAPITAL MANAGEMENT LLC $1.29B
VANGUARD PORTFOLIO MANAGEMENT LLC $1.1B
PRICE T ROWE ASSOCIATES INC /MD/ $878.5M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F
Company
13F
—
denominator unverified
$1,906,233,150
24,986,672 shares
— 30 Jun 2026
STATE STREET CORP
13F
Company
13F
—
denominator unverified
$1,340,567,727
17,571,998 shares
— 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
—
denominator unverified
$1,286,380,161
16,861,714 shares
— 30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
Company
13F
—
denominator unverified
$1,097,521,443
14,386,177 shares
— 30 Jun 2026
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
13F
—
denominator unverified
$878,504,000
11,515,298 shares
— 30 Jun 2026
Jupiter Topco LLC
13F
Company
13F
—
denominator unverified
$837,467,746
10,977,426 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
259
Shares
5,818,749
Rows available
259
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
883
Q3 2026 holders
259
Holder diff
-624
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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