Alliant Energy: which funds bought and sold
Institutions that bought and sold Alliant Energy shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 448 institutions that filed 13F reports for both quarters added to or opened positions in Alliant Energy, and 318 cut or closed them. Together they added a net 14.7M shares, +6.5% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 3.2M shares (+6.1%); index fund managers were net buyers of 1.1M shares (+1.3%). 84 opened a new position and 65 sold out entirely.
Bought, Q2 2026 448 institutions, 84 of them new holders Sold, Q2 2026 318 institutions, 65 of them sold out
Net change, all compared +14.7M shares (+6.5%)
Net change, active managers +3.2M shares (+6.1%), 37 bought, 27 sold
Buyers versus sellers
448 bought 166 318 sold
Active managers and hedge funds 37 bought · 27 sold · +3.2M
Index fund managers 10 bought · 2 sold · +1.1M
Other institutions 401 bought · 289 sold · +10.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +2.2M +76.2% | 5.0M | $385M |
| Deutsche Bank Ag\ | +2.1M +165.6% | 3.4M | $258M |
| Barclays PLC | +1.7M +178.7% | 2.6M | $201M |
| Merewether Investment Management, LP | +1.4M New position | 1.4M | $108M |
| Goldman Sachs Group Inc | +1.4M +89.7% | 2.9M | $223M |
| Price T Rowe Associates Inc Active manager | +905K +8.5% | 11.5M | $879M |
| Jpmorgan Chase & Co | +881K +39.2% | 3.1M | $242M |
| Point72 Asset Management, L.P. Hedge fund | +851K +68.5% | 2.1M | $160M |
| HRT Financial LP | +736K +9758.4% | 743K | $56.7M |
| State Street Corp Index funds | +561K +3.3% | 17.6M | $1.3B |
| Blackrock, Inc. Index funds | +487K +2.0% | 25.0M | $1.9B |
| Citigroup Inc | +453K +100.9% | 901K | $68.7M |
| Nuveen, LLC | +451K +6.1% | 7.9M | $602M |
| Brookfield Corp | +358K New position | 358K | $27.3M |
| Ae Wealth Management LLC | +317K +1364.8% | 340K | $26M |
| Voloridge Investment Management, LLC Hedge fund | +290K +46.0% | 919K | $70.1M |
| Worldquant Millennium Advisors LLC Hedge fund | +286K New position | 286K | $21.8M |
| Gotham Asset Management, LLC Hedge fund | +270K +72.2% | 643K | $49M |
| Raymond James Financial Inc | +254K +91.9% | 529K | $40.4M |
| Bank Of America Corp | +238K +4.4% | 5.6M | $426M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +2.2M +76.2% | 5.0M | $385M |
| Price T Rowe Associates Inc Active manager | +905K +8.5% | 11.5M | $879M |
| Point72 Asset Management, L.P. Hedge fund | +851K +68.5% | 2.1M | $160M |
| Voloridge Investment Management, LLC Hedge fund | +290K +46.0% | 919K | $70.1M |
| Worldquant Millennium Advisors LLC Hedge fund | +286K New position | 286K | $21.8M |
| Gotham Asset Management, LLC Hedge fund | +270K +72.2% | 643K | $49M |
| Squarepoint Ops LLC Hedge fund | +212K +18.8% | 1.3M | $103M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | +204K +775.0% | 230K | $17.6M |
| Alliancebernstein L.P. Active manager | +201K +18.8% | 1.3M | $91.3M |
| AQR Capital Management LLC Hedge fund | +158K +137.7% | 272K | $20.8M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Victory Capital Management Inc Active manager | −796K −11.0% | 6.4M | $491M |
| Marshall Wace, LLP Hedge fund | −410K −48.5% | 436K | $33.2M |
| Verition Fund Management LLC Hedge fund | −400K Sold out | 0 | — |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | −350K −49.5% | 357K | $27.3M |
| Cohen & Steers, Inc. | −260K −7.9% | 3.0M | $230M |
| Johnson Investment Counsel Inc | −251K −14.9% | 1.4M | $110M |
| Legal & General Group PLC | −245K −11.5% | 1.9M | $144M |
| Renaissance Technologies LLC Hedge fund | −233K −32.8% | 478K | $36.4M |
| Hudson Bay Capital Management LP Hedge fund | −231K −45.5% | 278K | $21.2M |
| Mairs & Power Inc Active manager | −231K −8.0% | 2.7M | $203M |
| Artisan Partners Limited Partnership Active manager | −230K −35.7% | 414K | $31.6M |
| First Trust Advisors LP | −217K −19.2% | 916K | $69.9M |
| Vanguard Portfolio Management LLC Index funds | −209K −1.4% | 14.4M | $1.1B |
| Reaves W H & Co Inc | −209K −7.0% | 2.8M | $212M |
| Susquehanna Portfolio Strategies, LLC | −141K −88.8% | 18K | $1.4M |
| Freestone Grove Partners LP Hedge fund | −136K −82.4% | 29K | $2.2M |
| Investment Management Corp Of Ontario | −129K −67.2% | 63K | $4.8M |
| Massachusetts Financial Services Co Active manager | −111K −1.6% | 6.9M | $534M |
| Atom Investors LP | −93K −78.4% | 26K | $2M |
| Campbell & Co Investment Adviser LLC | −90K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Victory Capital Management Inc Active manager | −796K −11.0% | 6.4M | $491M |
| Marshall Wace, LLP Hedge fund | −410K −48.5% | 436K | $33.2M |
| Verition Fund Management LLC Hedge fund | −400K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −233K −32.8% | 478K | $36.4M |
| Hudson Bay Capital Management LP Hedge fund | −231K −45.5% | 278K | $21.2M |
| Mairs & Power Inc Active manager | −231K −8.0% | 2.7M | $203M |
| Artisan Partners Limited Partnership Active manager | −230K −35.7% | 414K | $31.6M |
| Freestone Grove Partners LP Hedge fund | −136K −82.4% | 29K | $2.2M |
| Massachusetts Financial Services Co Active manager | −111K −1.6% | 6.9M | $534M |
| Holocene Advisors, LP Hedge fund | −76K −82.5% | 16K | $1.2M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Merewether Investment Management, LP | 1.4M | $108M |
| Brookfield Corp | 358K | $27.3M |
| Worldquant Millennium Advisors LLCHedge fund | 286K | $21.8M |
| Nomura Asset Management International Inc. | 181K | $13.8M |
| Dearborn Partners LLC | 137K | $10.5M |
| PDT Partners, LLCHedge fund | 92K | $7M |
| Capital Fund Management S.A.Hedge fund | 56K | $4.2M |
| Brevan Howard Capital Management LPHedge fund | 53K | $4.1M |
| Sciencast Management LP | 51K | $3.9M |
| Edgestream Partners, L.P.Hedge fund | 48K | $3.6M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Verition Fund Management LLCHedge fund | 400K | $28.7M |
| Campbell & Co Investment Adviser LLC | 90K | $6.5M |
| Two Sigma Investments, LPHedge fund | 69K | $4.9M |
| Axq Capital, LP | 55K | $3.9M |
| Isam Funds (UK) Ltd | 37K | $2.7M |
| Delta Global Management LP | 35K | $2.5M |
| Machina Capital S.A.S. | 25K | $1.8M |
| USS Investment Management Ltd | 22K | $1.6M |
| Soros Fund Management LLCHedge fund | 18K | $1.3M |
| Y-Intercept (Hong Kong) Ltd | 11K | $774,147 |
Who holds the shares
- Institutions reporting
- 878
- Ten largest holders
- 49.3% of 13F-reported shares
- Index fund managers
- 34.7% of 13F-reported shares
- Active managers and hedge funds
- 22.0% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 37 | 27 | 8 | 4 | +3.2M | +6.1% |
| Index fund managers | 10 | 2 | 0 | 0 | +1.1M | +1.3% |
| Other institutions | 401 | 289 | 76 | 61 | +10.4M | +11.7% |