Alliant Energy Ownership | Who Owns Alliant Energy?


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Alliant Energy Ownership Summary


Alliant Energy is owned by 99.20% institutional investors, 0.15% insiders, and 0.65% retail investors. Vanguard group is the largest institutional shareholder, holding 13.15% of LNT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.17% of its assets in Alliant Energy shares.

LNT Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAlliant Energy99.20%0.15%0.65%
SectorUtilities Stocks154.56%8.12%-62.68%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group33.79M13.15%$2.20B
Blackrock funding, inc. /de24.99M9.71%$1.91B
Blackrock23.52M9.18%$1.20B
State street17.57M6.83%$1.34B
Vanguard capital management16.86M6.55%$1.29B
Price t rowe associates inc /md/11.52M4.47%$878.50M
Janus henderson group11.27M4.39%$809.00M
Nuveen asset management8.07M3.15%$477.44M
Nuveen7.89M3.07%$602.00M
Geode capital management7.41M2.88%$563.05M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Longboard asset management, lp3.52K4.50%$268.69K
Magellan asset management1.99M3.39%$151.63M
Reaves w h2.78M3.22%$212.44M
Liberty one investment management409.17K3.12%$31.22M
Delos wealth advisors75.92K2.97%$5.79M
Eagle ridge investment management526.61K2.48%$26.80M
Godsey & gibb366.91K2.30%$27.99M
Aventail capital group, lp524.46K2.30%$40.01M
Hite hedge asset management545.25K2.28%$41.60M
Merewether investment management, lp1.41M2.03%$107.78M

Top Buyers

HolderShares% AssetsChange
Sixth street partners management company2.41M0.02%2.41M
Fmr5.04M0.02%2.18M
Deutsche bank ag\3.38M0.07%2.11M
Barclays2.64M0.04%1.69M
Merewether investment management, lp1.41M2.03%1.41M

Top Sellers

HolderShares% AssetsChange
Victory capital management6.44M0.28%-796.46K
Marshall wace, llp435.50K0.03%-410.32K
Verition fund management---399.52K
Dz bank ag deutsche zentral genossenschafts bank, frankfurt am main357.21K0.02%-349.75K
Qube research---311.29K

New Positions

HolderShares% AssetsChangeValue
Sixth street partners management company2.41M0.02%2.41M$183.92M
Merewether investment management, lp1.41M2.03%1.41M$107.78M
Eagle ridge investment management526.61K2.48%526.61K$26.80M
Brookfield corp /on/358.08K0.04%358.08K$27.32M
Worldquant millennium advisors286.40K0.07%286.40K$21.85M

Sold Out

HolderChange
Financial gravity asset management-1.00
Murphy & mullick capital management-1.00
Goalvest advisory-3.00
Legacy bridge-3.00
West branch capital-3.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20268831.73%255,328,5816.81%991.15%46311.03%245-8.24%
Mar 31, 2026607-27.91%127,842,728-44.68%490.62%261-38.15%191-21.40%
Dec 31, 2025682-14.54%179,550,412-19.38%690.93%318-14.97%206-13.08%
Sep 30, 2025768-1.16%217,932,7702.15%841.23%361-9.52%2272.71%
Jun 30, 2025769-1.03%211,986,9181.95%821.26%395-3.19%220-2.65%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv8.20M3.17%26.93K
Vanguard Morn Total Stk Mkt Idx Investor8.20M3.17%26.93K
Vanguard US Total Market Shares ETF8.14M3.17%5.96K
Sycamore Mid Cap Value Comp7.34M2.86%7.11M
Vanguard Institutional 500 Index Trust7.30M2.84%53.70K
Janus Henderson Enterprise D6.92M2.68%-311.70K
Janus Inst Mid Cap Growth CF6.92M2.67%-311.70K
Vanguard 500 Index Investor6.71M2.60%-24.15K
State Street®UtilSelSectSPDR®ETF4.29M1.66%28.98K
Victory Sycamore Established Value R4.25M1.65%-575.00K

Recent Insider Transactions


DateNameRoleActivityValue
Aug 10, 2026DURIAN ROBERT J EVP and CFOSell$6.65
Feb 20, 2024Barton Lisa M President and CEOBuy$53.42K
Feb 20, 2024Sundararajan Raja Executive Vice PresidentBuy$24.13K
Jun 09, 2022Falotico Nancy Joy Buy$73.20K
Feb 28, 2022GALLEGOS JAMES H EVP, Gen Cnsl and Corp SecSell$580.42K

Insider Transactions Trends


DateBuySell
2026 Q3-1
2026 Q2--
2026 Q1--
2025 Q4--
2025 Q3--

LNT Ownership FAQ


Who owns the most shares of Alliant Energy?

Alliant Energy’s largest shareholders are Vanguard group (33.79M shares, 13.15%), Blackrock funding, inc. /de (24.99M shares, 9.71%), and Blackrock (23.52M shares, 9.18%). Together, they hold 32.03% of Alliant Energy’s total shares outstanding.

Does Blackrock own Alliant Energy?

Yes, BlackRock owns 9.18% of Alliant Energy, totaling 23.52M shares as of Jun 2024. This represents 0.03% of BlackRock's total assets, with a market value of 1.2B$. In the last quarter, BlackRock decreased its holdings by -40.635K shares, a -0.17% change.

Who is Alliant Energy’s biggest shareholder by percentage of total assets invested?

Longboard asset management, lp is Alliant Energy’s biggest shareholder by percentage of total assets invested, with 4.50% of its assets in 3.52K Alliant Energy shares, valued at 268.69K$.

Who is the top mutual fund holder of Alliant Energy shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Alliant Energy shares, with 3.17% of its total shares outstanding invested in 8.2M Alliant Energy shares.

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