LNT
ALLIANT ENERGY (LNT)
NASDAQ
$69.67+$0.005 (+0.007%)
Price as of Oct 23, 2026 7:30 PM EDT
  • $18.2B
    Market Cap
  • 4.14%
    1-Year Change
  • Utilities - Regulated Electric
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
13.03%
33.8M
+383,612 (+1.14%)
Dec 31, 2025
BLACKROCK, INC.
9.64%
25.0M
+487,232 (+1.95%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
9.48%
24.6M
+1.5M (+6.08%)
Dec 31, 2024
BLACKROCK INC.
9.07%
23.5M
-40,635 (-0.17%)
Jun 30, 2024
STATE STREET CORP
6.78%
17.6M
+561,347 (+3.19%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
6.50%
16.9M
+162,252 (+0.96%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
5.55%
14.4M
-208,829 (-1.45%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions4.0B (51.03%)
  • Mutual Funds3.8B (48.94%)
  • Insiders2.0M (0.03%)
  • Other0 (0.00%)

Insider Transactions

  • 0.03% (2.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $10.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Asthana Manu
Award
Oct 09, 2026
$76,250.02
1,158
$65.85
2,164
Cortina Ignacio A
Award
Oct 09, 2026
$54,166.70
823
$65.85
11,848
Falotico Nancy Joy
Award
Oct 09, 2026
$56,875.04
864
$65.85
21,543
Cox Stephanie
Award
Oct 09, 2026
$39,999.99
607
$65.85
18,651
Raymond Christie
Award
Oct 09, 2026
$76,250.02
1,158
$65.85
10,880
ALLEN PATRICK E
Award
Oct 09, 2026
$37,499.99
569
$65.85
47,271
DURIAN ROBERT J
EVP and CFO
Sell
Aug 10, 2026
$6.65
0
$68.60
158,146
Asthana Manu
Award
Jul 10, 2026
$76,249.95
998
$76.40
998
Cortina Ignacio A
Award
Jul 10, 2026
$48,750.00
638
$76.40
10,943
ALLEN PATRICK E
Award
Jul 10, 2026
$37,500.02
491
$76.40
46,349
Sundararajan Raja
Executive Vice President
Award
Feb 19, 2026
$0.00
18,768
$0.00
35,590
de Leon David A
Senior Vice President
Award
Feb 19, 2026
$0.00
8,616
$0.00
50,609
Smyth Antonio P
Executive Vice President
Award
Feb 19, 2026
$0.00
13,114
$0.00
22,841
DURIAN ROBERT J
EVP and CFO
Award
Feb 19, 2026
$0.00
27,882
$0.00
167,806
Sundararajan Raja
Executive Vice President
Award
Feb 19, 2026
$0.00
8,784
$0.00
44,374
de Leon David A
Senior Vice President
Award
Feb 19, 2026
$0.00
2,306
$0.00
52,915
Barton Lisa M
President and CEO
Award
Feb 19, 2026
$0.00
47,533
$0.00
106,519
DURIAN ROBERT J
EVP and CFO
Award
Feb 19, 2026
$0.00
5,950
$0.00
173,756
Sundararajan Raja
Executive Vice President
In Kind
Feb 19, 2026
$792,793.24
11,324
$70.01
33,050
de Leon David A
Senior Vice President
In Kind
Feb 19, 2026
$364,542.07
5,207
$70.01
47,708
Valcq Rebecca C.
Vice President
Award
Feb 19, 2026
$0.00
1,004
$0.00
2,773
DURIAN ROBERT J
EVP and CFO
In Kind
Feb 19, 2026
$1.2M
16,630
$70.01
157,126
Syse Dylan
CAO and Controller
Award
Feb 19, 2026
$0.00
1,063
$0.00
3,776
Smyth Antonio P
Executive Vice President
Award
Feb 19, 2026
$0.00
5,240
$0.00
28,081
Barton Lisa M
President and CEO
Award
Feb 19, 2026
$0.00
29,527
$0.00
136,046
Smyth Antonio P
Executive Vice President
In Kind
Feb 19, 2026
$435,882.26
6,226
$70.01
21,855
Syse Dylan
CAO and Controller
Award
Feb 19, 2026
$0.00
750
$0.00
4,526
Farlinger Mayuri
Vice President
Award
Feb 19, 2026
$0.00
3,026
$0.00
10,513
Barton Lisa M
President and CEO
In Kind
Feb 19, 2026
$2.0M
28,594
$70.01
107,452
Farlinger Mayuri
Vice President
Award
Feb 19, 2026
$0.00
1,098
$0.00
11,611