| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.5% | $4,366,934,040 | 40,248,240 | BlackRock, Inc. | 31 Mar 2025 |
As of 31 Dec 2025, 1,811 institutional investors reported holding 438,342,475 shares of AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP). This represents 82% of the company’s total 536,643,200 outstanding shares.
The largest institutional shareholders of AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP) together control 55% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 9.8% | 52,496,895 | +1.6% | 0.09% | $6,053,416,963 |
| BlackRock, Inc. | 8.6% | 46,260,983 | +0.81% | 0.09% | $5,334,353,944 |
| STATE STREET CORP | 5.7% | 30,437,776 | +5.2% | 0.12% | $3,509,779,951 |
| GQG Partners LLC | 3.1% | 16,902,872 | -11% | 3.2% | $1,949,072,693 |
| MORGAN STANLEY | 2.7% | 14,661,858 | +1.9% | 0.1% | $1,690,659,229 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.7% | 14,639,127 | -12% | 0.3% | $1,688,037,734 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 13,823,744 | +0.61% | 0.1% | $1,587,841,446 |
| BARCLAYS PLC | 2% | 10,626,841 | +0.55% | 0.49% | $1,225,381,033 |
| Dodge & Cox | 1.7% | 9,342,540 | -1.9% | 0.58% | $1,077,288,287 |
| AMERIPRISE FINANCIAL INC | 1.5% | 8,057,788 | +32% | 0.21% | $930,201,540 |
| Invesco Ltd. | 1.4% | 7,688,340 | +4.2% | 0.14% | $886,542,516 |
| ROYAL BANK OF CANADA | 1.2% | 6,440,721 | -6.7% | 0.13% | $742,679,000 |
| VICTORY CAPITAL MANAGEMENT INC | 1.2% | 6,316,688 | +17% | 0.41% | $728,378,055 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 5,908,871 | +0.96% | 0.05% | $681,351,873 |
| Nuveen, LLC | 1.1% | 5,776,865 | +2.5% | 0.17% | $666,130,304 |
| ALLIANCEBERNSTEIN L.P. | 1% | 5,473,622 | +4.8% | 0.2% | $631,163,353 |
| Legal & General Group Plc | 0.93% | 4,968,721 | -3.1% | 0.13% | $572,942,311 |
| FMR LLC | 0.91% | 4,906,128 | +27% | 0.03% | $565,725,661 |
| NORTHERN TRUST CORP | 0.87% | 4,674,566 | -1.5% | 0.07% | $539,024,206 |
| Allspring Global Investments Holdings, LLC | 0.86% | 4,616,089 | -1.4% | 0.87% | $534,589,311 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.84% | 4,508,041 | -2.7% | 0.17% | $519,822,208 |
| WELLS FARGO & COMPANY/MN | 0.78% | 4,163,660 | -3.7% | 0.09% | $480,111,614 |
| GOLDMAN SACHS GROUP INC | 0.75% | 4,039,157 | +11% | 0.07% | $465,755,216 |
| Bank of New York Mellon Corp | 0.68% | 3,646,834 | -0.2% | 0.07% | $420,516,447 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.63% | 3,405,323 | +0.83% | 0.06% | $392,667,795 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 438,342,475 | $50,526,070,261 | -$399,696,988 | $115.31 | 1,811 |
| 2025 Q3 | 441,096,966 | $49,616,588,814 | +$750,064,968 | $112.50 | 1,703 |
| 2025 Q2 | 434,869,665 | $45,115,652,710 | -$448,699,961 | $103.76 | 1,625 |
| 2025 Q1 | 440,099,225 | $48,074,981,174 | +$3,328,613,430 | $109.27 | 1,657 |
| 2024 Q4 | 409,867,463 | $37,800,815,433 | +$240,059,722 | $92.23 | 1,510 |
| 2024 Q3 | 406,165,923 | $41,630,959,875 | +$464,205,314 | $102.60 | 1,485 |
| 2024 Q2 | 403,521,852 | $35,399,888,234 | +$382,210,888 | $87.74 | 1,413 |
| 2024 Q1 | 397,424,209 | $34,204,041,030 | +$121,696,014 | $86.10 | 1,341 |
| 2023 Q4 | 395,699,601 | $32,143,714,325 | +$472,883,005 | $81.22 | 1,340 |
| 2023 Q3 | 389,179,517 | $29,272,268,190 | +$520,397,477 | $75.22 | 1,266 |
| 2023 Q2 | 381,316,984 | $32,117,360,597 | +$32,341,346 | $84.20 | 1,297 |
| 2023 Q1 | 379,348,016 | $34,516,756,767 | -$539,293,378 | $90.99 | 1,341 |
| 2022 Q4 | 386,856,313 | $36,732,473,528 | +$331,943,630 | $94.95 | 1,377 |
| 2022 Q3 | 383,330,779 | $33,159,408,805 | +$236,003,641 | $86.45 | 1,319 |
| 2022 Q2 | 380,596,888 | $36,502,747,360 | +$578,204,633 | $95.94 | 1,352 |
| 2022 Q1 | 376,537,922 | $37,521,771,246 | +$946,538,424 | $99.77 | 1,364 |
| 2021 Q4 | 367,803,509 | $32,706,982,599 | -$294,226,047 | $88.97 | 1,289 |
| 2021 Q3 | 367,527,111 | $29,823,213,712 | -$115,610,737 | $81.18 | 1,177 |
| 2021 Q2 | 369,345,047 | $31,224,644,612 | -$14,828,074 | $84.59 | 1,178 |
| 2021 Q1 | 368,741,836 | $31,218,279,586 | +$137,055,745 | $84.70 | 1,165 |
| 2020 Q4 | 367,796,590 | $30,594,110,939 | -$389,368,222 | $83.27 | 1,198 |
| 2020 Q3 | 372,252,976 | $30,413,355,538 | +$341,624,277 | $81.73 | 1,111 |
| 2020 Q2 | 367,294,995 | $29,280,119,851 | +$109,542,513 | $79.64 | 1,123 |
| 2020 Q1 | 367,822,579 | $29,425,423,595 | +$179,824,508 | $79.98 | 1,135 |
| 2019 Q4 | 365,176,689 | $34,508,088,625 | +$59,932,233 | $94.51 | 1,183 |
| 2019 Q3 | 364,216,661 | $34,122,311,249 | -$94,999,363 | $93.69 | 1,121 |
| 2019 Q2 | 364,000,842 | $32,031,870,628 | +$390,003,916 | $88.01 | 1,112 |
| 2019 Q1 | 362,853,029 | $30,376,386,551 | +$49,976,091 | $83.75 | 1,115 |
| 2018 Q4 | 362,664,782 | $27,100,972,386 | +$224,716,471 | $74.74 | 1,077 |
| 2018 Q3 | 358,547,720 | $25,404,996,916 | +$58,696,976 | $70.88 | 994 |
| 2018 Q2 | 358,123,883 | $24,794,955,699 | +$253,149,910 | $69.25 | 970 |
| 2018 Q1 | 354,231,542 | $24,275,442,813 | +$114,645,325 | $68.59 | 992 |
| 2017 Q4 | 354,055,459 | $25,997,983,421 | +$337,938,519 | $73.57 | 989 |
| 2017 Q3 | 348,069,880 | $24,452,017,107 | -$147,804,304 | $70.24 | 889 |
| 2017 Q2 | 350,260,616 | $24,339,350,486 | +$321,309,638 | $69.47 | 881 |
| 2017 Q1 | 346,122,967 | $23,235,294,777 | +$2,627,980,333 | $67.13 | 864 |
| 2016 Q4 | 339,651,240 | $21,370,247,369 | +$139,947,710 | $62.96 | 868 |
| 2016 Q3 | 335,518,383 | $21,543,305,079 | -$57,047,364 | $64.21 | 847 |
| 2016 Q2 | 336,355,983 | $23,555,285,949 | +$272,852,233 | $70.09 | 867 |
| 2016 Q1 | 332,635,333 | $22,059,974,251 | -$22,414,740 | $66.40 | 838 |
| 2015 Q4 | 332,066,236 | $19,352,599,109 | +$561,499 | $58.27 | 800 |
| 2015 Q3 | 332,882,483 | $18,926,100,161 | +$479,961,685 | $56.86 | 767 |
| 2015 Q2 | 329,505,483 | $17,462,754,620 | +$209,975,702 | $52.97 | 749 |
| 2015 Q1 | 325,034,853 | $18,298,934,655 | -$65,902,901 | $56.25 | 764 |
| 2014 Q4 | 326,349,708 | $19,823,619,884 | +$146,057,842 | $60.72 | 767 |
| 2014 Q3 | 323,634,014 | $16,897,040,838 | +$225,229,865 | $52.21 | 720 |
| 2014 Q2 | 318,982,562 | $17,784,498,549 | +$189,396,185 | $55.77 | 708 |
| 2014 Q1 | 316,581,358 | $16,039,287,147 | +$121,065,858 | $50.66 | 699 |