AMERICAN ELECTRIC POWER (AEP) Institutional Shareholders
AMERICAN ELECTRIC POWER (AEP) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $56.58B in AEP holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AEP tracked by InsiderSet, reporting ownership valued at approximately $6.27B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $6.24B, representing an estimated loss of -0.46% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed AEP value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in AMERICAN ELECTRIC POWER (AEP).
This page ranks the largest institutional AEP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
1,909
Total Reported Value
$56.58B
Largest Holder
Blackrock, Inc.
Largest Position
$6.27B
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
30
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.11% | 47,797,729 | $6,265,326,346 | $6,236,647,680 | -$28,678,666 | -0.46% | |
| Vanguard Capital Management Llc | 0.12% | 35,138,422 | $4,605,944,356 | $4,584,861,303 | -$21,083,053 | -0.46% | |
| State Street Corp | 0.14% | 30,288,136 | $3,970,168,867 | $3,951,995,985 | -$18,172,882 | -0.46% | |
| Vanguard Portfolio Management Llc | 0.11% | 15,608,556 | $2,045,969,521 | $2,036,604,387 | -$9,365,134 | -0.46% | |
| Gqg Partners Llc | 3.12% | 15,025,884 | $1,969,595,479 | $1,960,577,344 | -$9,018,135 | -0.46% | |
| Morgan Stanley | 0.11% | 14,486,169 | $1,898,847,442 | $1,890,155,331 | -$8,692,111 | -0.46% | |
| Geode Capital Management, Llc | 0.12% | 14,222,791 | $1,857,289,250 | $1,855,789,770 | -$1,499,480 | -0.08% | |
| Wellington Management Group Llp | 0.32% | 13,156,392 | $1,724,539,864 | $1,716,646,028 | -$7,893,836 | -0.46% | |
| Barclays Plc | 0.49% | 10,367,590 | $1,358,983,698 | $1,352,763,143 | -$6,220,555 | -0.46% | |
| Ameriprise Financial Inc | 0.28% | 9,070,376 | $1,192,169,267 | $1,183,502,660 | -$8,666,607 | -0.73% | |
| Dodge & Cox Stock Fund | V. D. Dodge, E. M. Cox | 0.63% | 8,739,835 | $1,145,617,572 | $1,140,373,671 | -$5,243,901 | -0.46% |
| Invesco Ltd. | 0.15% | 7,701,876 | $1,009,561,906 | $1,004,940,780 | -$4,621,126 | -0.46% | |
| Fmr Llc | 0.04% | 6,079,338 | $796,879,545 | $793,232,022 | -$3,647,523 | -0.46% | |
| Royal Bank Of Canada | 0.15% | 5,998,367 | $786,266,000 | $782,666,926 | -$3,599,074 | -0.46% | |
| Nuveen, Llc | 0.21% | 5,994,316 | $785,734,969 | $782,138,352 | -$3,596,617 | -0.46% | |
| Bank Of America Corp | 0.05% | 5,162,502 | $676,700,709 | $673,603,261 | -$3,097,448 | -0.46% | |
| Goldman Sachs Group Inc | 0.09% | 5,151,392 | $675,244,481 | $672,153,628 | -$3,090,853 | -0.46% | |
| Legal & General Group Plc | 0.14% | 4,776,043 | $626,042,673 | $623,178,091 | -$2,864,582 | -0.46% | |
| Northern Trust Corp | 0.08% | 4,672,492 | $612,470,251 | $609,666,756 | -$2,803,495 | -0.46% | |
| Alliancebernstein L.P. | 0.20% | 5,283,217 | $609,207,752 | $689,354,154 | +$80,146,402 | +13.16% | |
| Allspring Global Investments Holdings, Llc | 0.99% | 4,492,979 | $591,590,593 | $586,243,900 | -$5,346,693 | -0.90% | |
| Massachusetts Financial Services Co | 0.20% | 4,493,458 | $591,413,897 | $586,306,400 | -$5,107,497 | -0.86% | |
| Millennium Management Llc | 0.41% | 4,151,358 | $544,160,007 | $541,669,192 | -$2,490,815 | -0.46% | |
| Wells Fargo & Company/Mn | 0.10% | 3,940,226 | $516,484,722 | $514,120,688 | -$2,364,034 | -0.46% | |
| Bank Of New York Mellon Corp | 0.09% | 3,605,021 | $472,546,157 | $470,383,140 | -$2,163,017 | -0.46% | |
| Charles Schwab Investment Management Inc | 0.07% | 3,511,986 | $460,351,125 | $458,243,933 | -$2,107,192 | -0.46% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.08% | 3,050,795 | $399,898,208 | $398,067,732 | -$1,830,476 | -0.46% | |
| Vanguard Fiduciary Trust Co | 0.10% | 3,044,696 | $399,098,752 | $397,271,934 | -$1,826,818 | -0.46% | |
| Envestnet Asset Management Inc | 0.10% | 2,989,056 | $391,805,461 | $390,012,027 | -$1,793,434 | -0.46% | |
| Citigroup Inc | 0.25% | 2,958,570 | $387,809,348 | $386,034,214 | -$1,775,134 | -0.46% | |
| Victory Capital Management Inc | 0.25% | 2,941,785 | $385,610,265 | $383,844,107 | -$1,766,158 | -0.46% | |
| Amundi | 0.09% | 2,541,047 | $333,080,440 | $331,555,813 | -$1,524,627 | -0.46% | |
| Deutsche Bank Ag\ | 0.11% | 2,431,662 | $318,742,256 | $317,283,258 | -$1,458,998 | -0.46% | |
| Raymond James Financial Inc | 0.10% | 2,414,441 | $316,485,009 | $315,036,262 | -$1,448,747 | -0.46% | |
| Janus Henderson Group Plc | 0.14% | 2,219,198 | $290,894,120 | $289,560,955 | -$1,333,165 | -0.46% | |
| Mitsubishi Ufj Trust & Banking Corp | 0.68% | 2,101,358 | $275,446,006 | $274,185,192 | -$1,260,814 | -0.46% | |
| Bank Of Montreal | 0.11% | 1,989,701 | $260,809,954 | $259,616,186 | -$1,193,768 | -0.46% | |
| Hightower Advisors, Llc | 0.28% | 1,982,456 | $259,863,839 | $258,670,859 | -$1,192,980 | -0.46% | |
| National Pension Service | 0.19% | 1,949,424 | $255,530,498 | $254,360,844 | -$1,169,654 | -0.46% | |
| Td Asset Management Inc | 0.21% | 1,931,327 | $253,158,343 | $251,999,547 | -$1,158,796 | -0.46% | |
| Ubs Group Ag | 0.04% | 1,922,999 | $252,066,709 | $250,912,910 | -$1,153,799 | -0.46% | |
| Antipodes Partners Ltd | 4.57% | 1,810,086 | $237,266,073 | $236,180,021 | -$1,086,052 | -0.46% | |
| Dimensional Fund Advisors Lp | 0.05% | 1,793,510 | $235,094,315 | $234,017,185 | -$1,077,130 | -0.46% | |
| Pictet Asset Management Holding Sa | 0.23% | 1,688,208 | $221,290,370 | $220,277,380 | -$1,012,990 | -0.46% | |
| Swiss National Bank | 0.12% | 1,567,500 | $205,467,900 | $204,527,400 | -$940,500 | -0.46% | |
| Aqr Capital Management Llc | 0.09% | 1,565,748 | $205,238,231 | $204,298,799 | -$939,432 | -0.46% | |
| Capital Research Global Investors | 0.03% | 1,491,127 | $195,456,927 | $194,562,251 | -$894,676 | -0.46% | |
| First Trust Advisors Lp | 0.14% | 1,488,974 | $195,174,645 | $194,281,328 | -$893,317 | -0.46% | |
| Franklin Resources Inc | 0.05% | 1,426,874 | $187,034,644 | $186,178,520 | -$856,124 | -0.46% | |
| Sei Investments Co | 0.17% | 1,411,734 | $185,051,385 | $184,203,052 | -$848,333 | -0.46% |
Frequently asked questions about AEP
Who owns the most AEP stock?
The largest holders of AEP are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AMERICAN ELECTRIC POWER (AEP).
Is AEP widely held by superinvestors?
Many widely followed stocks like AEP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AEP is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.