// company-profile
Alliant Energy Corp
LNTExchangeNasdaqSectorElectric & Other Services CombinedInc.WIFilings112Insiders20
// api This Alliant Energy Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Alliant Energy Corp insiders bought $380K (7 transactions) and sold $91K (1 transaction).
- Most active insider: Smyth Antonio P with 1 transaction totaling $91K.
- Largest single sale: $91K by Smyth Antonio P on Apr 15, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Alliant Energy Corp as of 2026-03-31
Total reported AUM
$14.43B
QoQ change
+16.7%
Reporting period
2026-03-31
#1
STATE STREET CORP
CIK 93751
$1.22B
17.0M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$1.20B
16.7M shares
#3
BlackRock, Inc.
CIK 2012383
$933.7M
13.0M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 15, 2026 | Smyth Antonio P | LNT | Tax Withholding | 1,259 | $72.18 | $91K |
| Apr 10, 2026 | Falotico Nancy Joy | LNT | Award | 778.044 | $73.10 | $57K |
| Apr 10, 2026 | Newport Roger K | LNT | Award | 769.494 | $73.10 | $56K |
| Apr 10, 2026 | Raymond Christie | LNT | Award | 1,043.092 | $73.10 | $76K |
| Apr 10, 2026 | Garcia Michael Dennis | LNT | Award | 875.513 | $73.10 | $64K |
45 more transactions hidden
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