Stocks › LNT
ALLIANT ENERGY CORP
LNT·Nasdaq·
United States·USD
United States·USD$65.49
+1.20 (+1.87%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
LNT
ALLIANT ENERGY CORP · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
LNTS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of LNT by members of U.S. Congress · 44 on record · 1 in the last 12 months
Whale Activity
Position changes in LNT reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| Olistico Wealth, LLC | 40.2K | $2.5M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by LNT insiders, by quarter · Form 4
Recent Insider Transactions
751 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| DURIAN ROBERT JEVP and CFO | Sale | −0 | $68.60 | $7 | Aug 10, 2026 | Form 4 ↗ |
| Smyth Antonio PExecutive Vice President | Tax withholding | −1,259 | $72.18 | $91K | Apr 15, 2026 | Form 4 ↗ |
| Valcq Rebecca C.Vice President | Tax withholding Amended | −438 | $70.01 | $31K | Feb 19, 2026 | Form 4 ↗ |
| Valcq Rebecca C.Vice President | Grant / award | +1,004 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Syse DylanCAO and Controller | Tax withholding | −506 | $70.01 | $35K | Feb 19, 2026 | Form 4 ↗ |
| Syse DylanCAO and Controller | Grant / award | +750 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Syse DylanCAO and Controller | Grant / award | +1,063 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Farlinger MayuriVice President | Tax withholding | −1,179 | $70.01 | $83K | Feb 19, 2026 | Form 4 ↗ |
| Farlinger MayuriVice President | Grant / award | +1,098 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Farlinger MayuriVice President | Grant / award | +3,026 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Smyth Antonio PExecutive Vice President | Tax withholding | −6,226 | $70.01 | $436K | Feb 19, 2026 | Form 4 ↗ |
| Smyth Antonio PExecutive Vice President | Grant / award | +5,240 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Smyth Antonio PExecutive Vice President | Grant / award | +13.1K | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Sundararajan RajaExecutive Vice President | Tax withholding | −11.3K | $70.01 | $793K | Feb 19, 2026 | Form 4 ↗ |
| Sundararajan RajaExecutive Vice President | Grant / award | +8,784 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Sundararajan RajaExecutive Vice President | Grant / award | +18.8K | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| de Leon David ASenior Vice President | Tax withholding | −5,207 | $70.01 | $365K | Feb 19, 2026 | Form 4 ↗ |
| de Leon David ASenior Vice President | Grant / award | +2,306 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| de Leon David ASenior Vice President | Grant / award | +8,616 | $0.00 | $0 | Feb 19, 2026 | Form 4 ↗ |
| Barton Lisa MPresident and CEO · Director | Tax withholding | −28.6K | $70.01 | $2.0M | Feb 19, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding LNT · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 8.2M | $625.4M | 0.03% | Jun 30, 2026 |
| Janus Henderson Enterprise Fund Janus Investment Fund | 6.9M | $527.6M | 2.36% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 6.7M | $510.4M | 0.03% | Jun 30, 2026 |
| Victory Sycamore Established Value Fund Victory Portfolios | 4.3M | $324.2M | 2.10% | Jun 30, 2026 |
| State Street(R) Utilities Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 4.2M | $320.6M | 1.39% | Jun 30, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 3.6M | $270.9M | 0.03% | Jun 30, 2026 |
| Franklin Utilities Fund Franklin Custodian Funds | 3.5M | $267.0M | 3.49% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 3.1M | $237.4M | 0.03% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 3.3M | $235.6M | 0.03% | May 31, 2026 |
| iShares Select Dividend ETF iShares Trust | 3.3M | $230.5M | 0.98% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list LNT's shares (CUSIP 018802108), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming alliant energy as client
- ALLIANT ENERGY CORPORATIONALLIANT ENERGY CORPORATION · 2026 Q2 · BUD, TAX, ENG, DEF$230K
Filing ↗ - STEPTOE LLPALLIANT ENERGY · 2026 Q2 · BUD, TAX, ENG$50K
Filing ↗ - FGS GLOBAL (US) LLC (FKA FGH HOLDINGS LLC)ALLIANT ENERGY CORPORATION · 2026 Q2 · UTI, ENG, ENV, TAX$110K
Filing ↗ - ALLIANT ENERGY CORPORATIONALLIANT ENERGY CORPORATION · 2024 Q4 · BUD, TAX, ENG, TEC$480K
Filing ↗ - ALLIANT ENERGY CORPORATIONALLIANT ENERGY CORPORATION · 2026 Q1 · ENG, TEC, BUD, TAX$250K
Filing ↗
Government Contracts
Federal awards to ALLIANT ENERGY CORP · USAspending
No federal contract awards found for ALLIANT ENERGY CORP.
U.S. Patents
Recent USPTO applications naming ALLIANT ENERGY CORP
No USPTO patent applications found for ALLIANT ENERGY CORP.
Annual Financials
From LNT's 10-K filings · XBRL
No annual XBRL figures on record for LNT. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitMay 20, 2016
- 2-for-1Stock splitSep 26, 1988
Split dates and ratios from the price history · Close Prices from Tiingo.com
About ALLIANT ENERGY CORP
From SEC EDGAR company records
Industry (SIC 4931)Electric & Other Services Combined
SectorUtilities
HeadquartersMADISON, WI
IncorporatedWI
SEC CIK0000352541 ↗
Former namesALLIANT ENERGY CORP, INTERSTATE ENERGY CORP, WPL HOLDINGS INC