There is a long list of 667 institutional holders of AEE within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of AEE by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-AEE table below, the initial column indicates the name of each top institutional holder of AEE, with a link to that fund's top holdings. The next columns indicate the amount of AEE stock held by each of the institutional holders of AEE, followed by the AEE position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	32,289,721	$2,335,838	12/31/2023
AEE	32,289,721	$2,335,838	12/31/2023
BlackRock Inc.	18,418,036	$1,332,361	12/31/2023
AEE	18,418,036	$1,332,361	12/31/2023
Price T Rowe Associates Inc. MD	18,337,950	$1,326,568	12/31/2023
AEE	18,337,950	$1,326,568	12/31/2023
T. Rowe Price Investment Management Inc.	14,843,242	$1,073,761	12/31/2023
AEE	14,843,242	$1,073,761	12/31/2023
State Street Corp	14,167,092	$1,024,847	12/31/2023
AEE	14,167,092	$1,024,847	12/31/2023
Ameriprise Financial Inc.	8,940,910	$646,793	12/31/2023
AEE	8,940,910	$646,793	12/31/2023
Invesco Ltd.	6,432,582	$465,333	12/31/2023
AEE	6,432,582	$465,333	12/31/2023
Geode Capital Management LLC	6,067,923	$437,847	12/31/2023
AEE	6,067,923	$437,847	12/31/2023
Putnam Investments LLC	5,112,645	$369,849	12/31/2023
AEE	5,112,645	$369,849	12/31/2023
Janus Henderson Group PLC	5,003,275	$361,936	12/31/2023
AEE	5,003,275	$361,936	12/31/2023
Pictet Asset Management Holding SA	3,924,387	$283,890	12/31/2023
AEE	3,924,387	$283,890	12/31/2023
Nuveen Asset Management LLC	2,983,599	$215,834	12/31/2023
AEE	2,983,599	$215,834	12/31/2023
Bessemer Group Inc.	2,853,754	$206,440	12/31/2023
AEE	2,853,754	$206,440	12/31/2023
Morgan Stanley	2,680,022	$193,873	12/31/2023
AEE	2,680,022	$193,873	12/31/2023
Legal & General Group Plc	2,602,784	$188,285	12/31/2023
AEE	2,602,784	$188,285	12/31/2023
Caisse DE Depot ET Placement DU Quebec	2,572,873	$186,122	12/31/2023
AEE	2,572,873	$186,122	12/31/2023
JPMorgan Chase & Co.	2,446,259	$176,962	12/31/2023
AEE	2,446,259	$176,962	12/31/2023
Northern Trust Corp	2,381,489	$172,277	12/31/2023
AEE	2,381,489	$172,277	12/31/2023
Goldman Sachs Group Inc.	2,173,031	$157,197	12/31/2023
AEE	2,173,031	$157,197	12/31/2023
Franklin Resources Inc.	1,930,382	$139,644	12/31/2023
AEE	1,930,382	$139,644	12/31/2023
Alliancebernstein L.P.	1,877,513	$135,819	12/31/2023
AEE	1,877,513	$135,819	12/31/2023
Duff & Phelps Investment Management Co.	1,764,675	$127,657	12/31/2023
AEE	1,764,675	$127,657	12/31/2023
Maple Brown Abbott Ltd	1,714,520	$126,806	03/31/2024
AEE	1,714,520	$126,806	03/31/2024
Bank of New York Mellon Corp	1,708,656	$126,372	03/31/2024
AEE	1,708,656	$126,372	03/31/2024
California Public Employees Retirement System	1,629,641	$117,888	12/31/2023
AEE	1,629,641	$117,888	12/31/2023
Massachusetts Financial Services Co. MA	1,611,510	$116,577	12/31/2023
AEE	1,611,510	$116,577	12/31/2023
Bank of America Corp DE	1,544,187	$111,706	12/31/2023
AEE	1,544,187	$111,706	12/31/2023
Charles Schwab Investment Management Inc.	1,519,074	$109,890	12/31/2023
AEE	1,519,074	$109,890	12/31/2023
Deutsche Bank AG	1,477,649	$106,893	12/31/2023
AEE	1,477,649	$106,893	12/31/2023
FMR LLC	1,324,419	$95,808	12/31/2023
AEE	1,324,419	$95,808	12/31/2023
Zimmer Partners LP	1,258,000	$91,004	12/31/2023
AEE	1,258,000	$91,004	12/31/2023
First Trust Advisors LP	1,137,600	$82,294	12/31/2023
AEE	1,137,600	$82,294	12/31/2023
Jennison Associates LLC	1,065,872	$77,105	12/31/2023
AEE	1,065,872	$77,105	12/31/2023
Qube Research & Technologies Ltd	921,992	$66,697	12/31/2023
AEE	921,992	$66,697	12/31/2023
Korea Investment CORP	909,707	$65,808	12/31/2023
AEE	909,707	$65,808	12/31/2023
Dimensional Fund Advisors LP	898,638	$65,007	12/31/2023
AEE	898,638	$65,007	12/31/2023
UBS Asset Management Americas Inc.	866,295	$62,668	12/31/2023
AEE	866,295	$62,668	12/31/2023
Cohen & Steers Inc.	835,571	$60,445	12/31/2023
AEE	835,571	$60,445	12/31/2023
Swiss National Bank	821,600	$59,435	12/31/2023
AEE	821,600	$59,435	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	681,214	$50,383	03/31/2024
AEE	681,214	$50,383	03/31/2024
UniSuper Management Pty Ltd	659,973	$47,742	12/31/2023
AEE	659,973	$47,742	12/31/2023
Reaves W H & Co. Inc.	643,489	$46,550	12/31/2023
AEE	643,489	$46,550	12/31/2023
Macquarie Group Ltd.	631,967	$45,716	12/31/2023
AEE	631,967	$45,716	12/31/2023
Barclays PLC		$44,042	12/31/2023
AEE	608,850	$44,042	12/31/2023
Put	160,000	$11,574	12/31/2023
Call	160,000	$11,574	12/31/2023
Clearbridge Investments LLC	583,731	$42,227	12/31/2023
AEE	583,731	$42,227	12/31/2023
The Manufacturers Life Insurance Company	549,260	$39,733	12/31/2023
AEE	549,260	$39,733	12/31/2023
Gabelli Funds LLC	537,950	$38,915	12/31/2023
AEE	537,950	$38,915	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	524,449	$37,939	12/31/2023
AEE	524,449	$37,939	12/31/2023
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	492,651	$35,638	12/31/2023
AEE	492,651	$35,638	12/31/2023
Amundi	471,015	$34,865	12/31/2023
AEE	471,015	$34,865	12/31/2023