Alliant Energy Corp. 13F holders
886 funds reported a position in Alliant Energy Corp. in their 13F for the quarter ended 30 June 2026, together 254.2 million shares worth $19.39 billion. Against the quarter before, 69 opened a position, 355 added, 242 trimmed and 65 sold out; together they bought a net 15.1 million shares. The largest holders: BlackRock, Inc., State Street Corp. and Vanguard Capital Management LLC.
Funds holding886+24 on Q1 2026
Shares they held254.2Mworth $19.39 billion
Net bought on the quarter15.1M sharesabout $1.15 billion at the funds' values
Funds buying to selling424 to 307opened or added, to cut or sold
Opened 69Added 355Held 212Trimmed 242Sold out 65
What each fund did in LNT against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in LNT in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 422 reported a position in Alliant Energy Corp.: 32 opened one, 146 added, 123 trimmed and 41 sold out, a net 147,115 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 1 reported a position in Alliant Energy Corp. in a 13F for the quarter ended 30 September 2026, and 5 more in a 13F for an earlier quarter, the latest each has filed. The largest: Geode Capital Management, 7.6 million shares worth $478.0 million, 0.0% of its reported book. Sold out: Soros Fund Management, Two Sigma Investments. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 170,519 shares, about $10.8 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 7,577,964 | $478.0 million | 0.0% | +170,519 | added | 30 September 2026 | 13F |
| FMR LLC | 5,043,741 | $384.8 million | 0.0% | +2,181,315 | added | 30 June 2026, an earlier quarter | 13F |
| Point72 Asset Management | 2,094,866 | $159.8 million | 0.3% | +851,285 | added | 30 June 2026, an earlier quarter | 13F |
| Renaissance Technologies | 477,500 | $36.4 million | 0.1% | -233,200 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Millennium Management | 344,680 | $26.3 million | 0.0% | +141,299 | added | 30 June 2026, an earlier quarter | 13F |
| Citadel Advisors | 217,500 | $16.6 million | 0.0% | -72,446 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Soros Fund Management | 0 | $0 | 0.0% | -18,452 | exited | 30 June 2026, an earlier quarter | 13F |
| Two Sigma Investments | 0 | $0 | 0.0% | -68,938 | exited | 30 June 2026, an earlier quarter | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 24,986,672 | 9.83% | $1.91 billion | 0.03% | +487,232 | 13F |
| State Street Corp. | 17,571,998 | 6.91% | $1.34 billion | 0.04% | +561,347 | 13F |
| Vanguard Capital Management LLC | 16,861,714 | 6.63% | $1.29 billion | 0.03% | +162,252 | 13F |
| Vanguard Portfolio Management LLC | 14,386,177 | 5.66% | $1.10 billion | 0.05% | -208,829 | 13F |
| Price T Rowe Associates Inc. | 11,515,298 | 4.53% | $878.5 million | 0.09% | +904,652 | 13F |
| Jupiter Topco LLC | 10,977,426 | 4.32% | $837.5 million | 0.34% | first 13F | 13F |
| Nuveen, LLC | 7,890,946 | 3.10% | $602.0 million | 0.14% | +450,560 | 13F |
| Geode Capital Management, LLC | 7,407,445 | 2.91% | $563.0 million | 0.03% | +149,419 | 13F |
| Massachusetts Financial Services Co. | 6,936,512 | 2.73% | $533.8 million | 0.17% | -110,725 | 13F |
| Victory Capital Management Inc. | 6,442,409 | 2.53% | $491.5 million | 0.28% | -796,455 | 13F |
| Bank of America Corp. | 5,582,621 | 2.20% | $425.9 million | 0.03% | +237,754 | 13F |
| FMR LLC | 5,043,741 | 1.98% | $384.8 million | 0.02% | +2,181,315 | 13F |
| Invesco Ltd. | 4,912,484 | 1.93% | $374.8 million | 0.03% | -75,964 | 13F |
| Franklin Resources Inc. | 3,880,958 | 1.53% | $296.1 million | 0.06% | -15,548 | 13F |
| Morgan Stanley | 3,392,292 | 1.33% | $258.8 million | 0.01% | +41,117 | 13F |
| Deutsche Bank AG | 3,383,604 | 1.33% | $258.1 million | 0.07% | +2,109,717 | 13F |
| Pictet Asset Management Holding SA | 3,335,106 | 1.31% | $254.4 million | 0.24% | -76,944 | 13F |
| JPMorgan Chase & Co. | 3,131,630 | 1.23% | $241.7 million | 0.01% | +881,253 | 13F |
| Cohen & Steers, Inc. | 3,016,592 | 1.19% | $230.1 million | 0.36% | -259,668 | 13F |
| Goldman Sachs Group Inc. | 2,917,632 | 1.15% | $222.6 million | 0.02% | +1,379,387 | 13F |
| Reaves W H & Co. Inc. | 2,784,686 | 1.10% | $212.4 million | 3.22% | -208,740 | 13F |
| Mairs & Power Inc. | 2,657,913 | 1.05% | $202.8 million | 1.86% | -231,147 | 13F |
| Barclays PLC | 2,639,212 | 1.04% | $201.3 million | 0.06% | +1,692,079 | 13F |
| Charles Schwab Investment Management Inc. | 2,410,742 | 0.95% | $183.9 million | 0.02% | +40,295 | 13F |
| Northern Trust Corp. | 2,139,993 | 0.84% | $163.3 million | 0.02% | -72,369 | 13F |
| Point72 Asset Management, L.P. | 2,094,866 | 0.82% | $159.8 million | 0.25% | +851,285 | 13F |
| Magellan Asset Management Ltd | 1,987,533 | 0.78% | $151.6 million | 3.39% | -46,913 | 13F |
| Duff & Phelps Investment Management Co. | 1,964,325 | 0.77% | $149.9 million | 1.41% | +66,150 | 13F |
| Legal & General Group Plc | 1,887,114 | 0.74% | $144.0 million | 0.03% | -244,756 | 13F |
| Jennison Associates LLC | 1,713,259 | 0.67% | $130.7 million | 0.08% | -52,908 | 13F |
| Anchor Capital Advisors LLC | 1,515,482 | 0.60% | $115.6 million | 1.62% | +744,082 | 13F |
| Bank of New York Mellon Corp | 1,470,879 | 0.58% | $112.2 million | 0.02% | -38,627 | 13F |
| Vanguard Fiduciary Trust Co. | 1,450,067 | 0.57% | $110.6 million | 0.02% | +1,969 | 13F |
| Johnson Investment Counsel Inc. | 1,435,378 | 0.56% | $109.5 million | 0.80% | -250,642 | 13F |
| Dimensional Fund Advisors LP | 1,428,178 | 0.56% | $109.0 million | 0.02% | +44,532 | 13F |
| Merewether Investment Management, LP | 1,412,803 | 0.56% | $107.8 million | 2.03% | new | 13F |
| Squarepoint Ops LLC | 1,345,323 | 0.53% | $102.6 million | 0.20% | +212,421 | 13F |
| Neuberger Berman Group LLC | 1,327,963 | 0.52% | $101.3 million | 0.07% | +4,376 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 1,289,116 | 0.51% | $98.3 million | 0.02% | +102,357 | 13F |
| AllianceBernstein L.P. | 1,271,608 | 0.50% | $91.3 million | 0.03% | +201,326 | 13F |
| UBS Group AG | 1,114,148 | 0.44% | $85.0 million | 0.01% | +14,807 | 13F |
| Vaughan Nelson Investment Management, L.P. | 1,099,030 | 0.43% | $83.8 million | 0.74% | +5,870 | 13F |
| Thrivent Financial for Lutherans | 1,065,784 | 0.42% | $81.3 million | 0.14% | -12,594 | 13F |
| Envestnet Asset Management Inc. | 936,127 | 0.37% | $71.4 million | 0.02% | +211,958 | 13F |
| Voloridge Investment Management, LLC | 918,789 | 0.36% | $70.1 million | 0.30% | +289,573 | 13F |
| First Trust Advisors LP | 915,921 | 0.36% | $69.9 million | 0.04% | -217,102 | 13F |
| Citigroup Inc. | 901,063 | 0.35% | $68.7 million | 0.03% | +452,586 | 13F |
| Principal Financial Group Inc. | 878,479 | 0.35% | $67.0 million | 0.03% | -19,056 | 13F |
| Toronto Dominion Bank | 877,473 | 0.35% | $66.9 million | 0.11% | +25,726 | 13F |
| Energy Income Partners, LLC | 826,750 | 0.33% | $63.1 million | 0.99% | +17,194 | 13F |
The 50 largest of the 886 funds that reported a position in LNT in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on LNT
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 49,100 | $3.7 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 23,500 | $1.8 million | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 19.4 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 28 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 14.6 million | 5.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 26 August 2026 | 2,639 | $68.34 | SEC |
| 17 August 2026 | 3,691 | $70.60 | SEC |
| 14 August 2026 | 42 | $70.20 | SEC |
| 13 August 2026 | 28,595 | $70.24 | SEC |
| 12 August 2026 | 7,546 | $68.58 | SEC |
| 10 August 2026 | 3,197 | $69.37 | SEC |
| 7 August 2026 | 251 | $69.52 | SEC |
| 5 August 2026 | 2,085 | $70.66 | SEC |
| 4 August 2026 | 2,963 | $71.27 | SEC |
| 31 July 2026 | 1,418 | $70.89 | SEC |
| 30 July 2026 | 816 | $72.00 | SEC |
| 22 July 2026 | 18,718 | $73.11 | SEC |
| 20 July 2026 | 21,916 | $74.82 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.