| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.5% | $4,153,618,368 | 40,248,240 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 1,693 institutional investors reported holding 440,774,186 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 54% 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 | 9.6% | 51,668,307 | -1.5% | 0.09% | $5,812,684,539 |
| BlackRock, Inc. | 8.6% | 45,889,073 | +2.3% | 0.09% | $5,162,520,715 |
| STATE STREET CORP | 5.4% | 28,922,911 | +1.4% | 0.11% | $3,253,827,488 |
| GQG Partners LLC | 3.5% | 18,908,983 | -5.6% | 3.3% | $2,127,264,133 |
| WELLINGTON MANAGEMENT GROUP LLP | 3.1% | 16,597,887 | -6.1% | 0.33% | $1,867,262,290 |
| MORGAN STANLEY | 2.7% | 14,389,979 | +2.5% | 0.1% | $1,618,872,823 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 13,740,459 | +2.9% | 0.1% | $1,539,503,504 |
| BARCLAYS PLC | 2% | 10,568,934 | +55% | 0.44% | $1,189,005,081 |
| Dodge & Cox | 1.8% | 9,523,516 | -0.51% | 0.58% | $1,071,395,550 |
| Invesco Ltd. | 1.4% | 7,375,217 | -5.5% | 0.13% | $829,711,868 |
| ROYAL BANK OF CANADA | 1.3% | 6,900,403 | +6.9% | 0.14% | $776,294,000 |
| AMERIPRISE FINANCIAL INC | 1.1% | 6,084,813 | +27% | 0.16% | $684,771,615 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 5,852,444 | +7.7% | 0.05% | $658,399,959 |
| Nuveen, LLC | 1.1% | 5,637,275 | +2.8% | 0.17% | $634,193,438 |
| VICTORY CAPITAL MANAGEMENT INC | 1% | 5,379,342 | +106% | 0.38% | $595,242,925 |
| ALLIANCEBERNSTEIN L.P. | 0.97% | 5,223,848 | +8% | 0.19% | $587,682,900 |
| Legal & General Group Plc | 0.96% | 5,129,468 | +4.4% | 0.13% | $577,064,986 |
| NORTHERN TRUST CORP | 0.88% | 4,747,885 | -0.16% | 0.07% | $534,137,065 |
| Allspring Global Investments Holdings, LLC | 0.87% | 4,683,939 | -1.6% | 0.85% | $528,114,147 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.86% | 4,632,163 | -3.3% | 0.16% | $521,118,340 |
| WELLS FARGO & COMPANY/MN | 0.81% | 4,323,708 | -3.9% | 0.1% | $486,417,162 |
| Soroban Capital Partners LP | 0.75% | 4,004,686 | 0% | 3.7% | $450,527,175 |
| FMR LLC | 0.72% | 3,851,701 | -5.1% | 0.02% | $433,316,240 |
| FEDERATED HERMES, INC. | 0.71% | 3,826,858 | -0.11% | 0.76% | $430,521,529 |
| Bank of New York Mellon Corp | 0.68% | 3,654,322 | +0.83% | 0.07% | $411,111,222 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 18,673,518 | $2,155,676,306 | +$229,417,635 | $115.31 | 373 |
| 2025 Q3 | 440,774,186 | $49,579,899,404 | +$745,221,543 | $112.50 | 1,693 |
| 2025 Q2 | 434,869,665 | $45,115,652,710 | -$448,699,612 | $103.76 | 1,625 |
| 2025 Q1 | 439,882,055 | $48,051,250,768 | +$3,326,201,762 | $109.27 | 1,649 |
| 2024 Q4 | 409,497,490 | $37,768,310,832 | +$233,220,281 | $92.23 | 1,491 |
| 2024 Q3 | 405,896,552 | $41,603,356,559 | +$367,020,839 | $102.60 | 1,481 |
| 2024 Q2 | 404,013,491 | $35,442,996,237 | +$189,036,804 | $87.74 | 1,404 |
| 2024 Q1 | 396,455,852 | $34,120,671,373 | +$53,512,419 | $86.10 | 1,337 |
| 2023 Q4 | 4,563,017 | $370,719,390 | -$105,826,345 | $81.22 | 16 |
| 2023 Q3 | 378,126,772 | $28,440,872,827 | +$517,672,579 | $75.22 | 1,248 |
| 2023 Q2 | 380,951,014 | $32,086,542,137 | -$46,751,258 | $84.20 | 1,284 |
| 2023 Q1 | 378,942,424 | $34,479,849,133 | -$625,938,192 | $90.99 | 1,325 |
| 2022 Q4 | 381,383,081 | $36,213,160,152 | +$398,568,776 | $94.95 | 1,357 |
| 2022 Q3 | 379,460,395 | $32,824,814,494 | +$94,578,513 | $86.45 | 1,302 |
| 2022 Q2 | 375,096,829 | $35,961,295,611 | +$490,891,302 | $95.94 | 1,337 |
| 2022 Q1 | 375,273,318 | $37,398,894,248 | +$1,012,429,177 | $99.77 | 1,350 |
| 2021 Q4 | 367,611,269 | $32,689,165,554 | -$248,451,435 | $88.97 | 1,279 |
| 2021 Q3 | 367,419,044 | $29,813,002,536 | -$119,387,473 | $81.18 | 1,172 |
| 2021 Q2 | 369,224,909 | $31,214,420,009 | -$48,342,878 | $84.59 | 1,172 |
| 2021 Q1 | 364,341,096 | $30,841,783,007 | -$6,770,737 | $84.70 | 1,157 |
| 2020 Q4 | 356,732,287 | $29,669,744,030 | -$417,871,152 | $83.27 | 1,186 |
| 2020 Q3 | 372,057,041 | $30,397,265,119 | +$348,176,023 | $81.73 | 1,100 |
| 2020 Q2 | 367,087,334 | $29,263,520,918 | +$116,691,056 | $79.64 | 1,114 |
| 2020 Q1 | 365,098,752 | $29,207,364,631 | +$175,934,742 | $79.98 | 1,121 |
| 2019 Q4 | 364,965,403 | $34,486,826,958 | +$60,391,093 | $94.51 | 1,173 |
| 2019 Q3 | 364,192,823 | $34,120,012,773 | -$91,230,204 | $93.69 | 1,116 |
| 2019 Q2 | 353,092,209 | $31,072,805,582 | +$386,016,451 | $88.01 | 1,100 |
| 2019 Q1 | 358,636,198 | $30,023,168,715 | +$49,180,388 | $83.75 | 1,107 |
| 2018 Q4 | 360,619,043 | $26,947,969,935 | +$200,180,304 | $74.74 | 1,068 |
| 2018 Q3 | 347,435,648 | $24,613,779,814 | +$242,410,701 | $70.88 | 984 |
| 2018 Q2 | 351,400,013 | $24,329,248,461 | +$319,864,009 | $69.25 | 963 |
| 2018 Q1 | 352,004,480 | $24,128,682,211 | +$197,599,014 | $68.59 | 984 |
| 2017 Q4 | 352,133,058 | $25,855,779,827 | +$500,285,934 | $73.57 | 981 |
| 2017 Q3 | 343,404,753 | $24,124,386,143 | -$109,207,145 | $70.24 | 880 |
| 2017 Q2 | 346,055,611 | $24,047,250,038 | +$320,484,724 | $69.47 | 871 |
| 2017 Q1 | 341,816,536 | $22,946,184,138 | +$2,576,789,426 | $67.13 | 858 |
| 2016 Q4 | 334,126,700 | $21,022,428,492 | +$176,042,987 | $62.96 | 860 |
| 2016 Q3 | 333,629,653 | $21,422,045,079 | -$57,690,512 | $64.21 | 839 |
| 2016 Q2 | 334,603,705 | $23,432,488,863 | +$256,976,577 | $70.09 | 861 |
| 2016 Q1 | 332,632,362 | $22,059,779,251 | -$17,642,987 | $66.40 | 836 |
| 2015 Q4 | 330,757,300 | $19,276,332,109 | +$1,461,652 | $58.27 | 796 |
| 2015 Q3 | 331,587,131 | $18,852,453,161 | +$560,316,631 | $56.86 | 765 |
| 2015 Q2 | 323,018,774 | $17,119,169,620 | +$180,243,964 | $52.97 | 746 |
| 2015 Q1 | 324,859,376 | $18,289,064,074 | -$65,591,500 | $56.25 | 763 |
| 2014 Q4 | 326,002,475 | $19,802,535,884 | +$95,243,322 | $60.72 | 764 |
| 2014 Q3 | 323,634,014 | $16,896,513,366 | +$227,403,992 | $52.21 | 720 |
| 2014 Q2 | 318,949,682 | $17,782,650,193 | +$190,584,600 | $55.77 | 707 |
| 2014 Q1 | 316,573,340 | $16,038,880,147 | +$106,503,942 | $50.66 | 697 |