Latest Period
Q1 2026
Security Snapshot
AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP) Institutional Ownership
CUSIP: 025537101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
1,909
Shares (Excl. Options)
443,564,623
Price
$131.08
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- Security type / class
- Equity / Common Stock
- Symbol
- AEP on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 443,564,623
- Total 13F value
- $58,050,910,446
- Portfolio coverage rank
- 0.04%
- Share change
- +1,638,282
- Value change
- +$244,341,631
- Number of holders
- 1,909
- Shares outstanding
- 543,635,353
- SEC-reported price per share
- $127.95
- Insider filing price
- $127.95
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AEP - AMERICAN ELECTRIC POWER CO INC - Common Stock is tracked under CUSIP 025537101.
- 1909 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1,845 to 1,909 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $50,660,081,919 to $58,050,910,446.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 1909 institutions filings for Q1 2026.
Security key
025537101
Latest holder period
Q1 2026
13F holders
1,909
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
AEP full holder history
AMERICAN ELECTRIC POWER CO INC SEC filings
AMERICAN ELECTRIC POWER CO INC company facts
AMERICAN ELECTRIC POWER CO INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 025537101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
AEP
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $5,351,605,126 | 40,827,015 | Vanguard Capital Management | 31 Mar 2026 | |||
| BlackRock, Inc. | 7.5% | $4,366,934,040 | 40,248,240 | BlackRock, Inc. | 31 Mar 2025 |
As of 31 Mar 2026, 1,909 institutional investors reported holding 443,564,623 shares of AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP). This represents 82% of the company’s total 543,635,353 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
52%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.8% | 47,797,729 | +3.3% | 0.11% | $6,265,326,346 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 35,138,422 | 0% | 0.11% | $4,605,944,356 |
| STATE STREET CORP | 5.6% | 30,288,136 | -0.49% | 0.14% | $3,970,168,867 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.9% | 15,608,556 | 0% | 0.11% | $2,045,969,521 |
| GQG Partners LLC | 2.8% | 15,025,884 | -11% | 3.1% | $1,969,595,479 |
| MORGAN STANLEY | 2.7% | 14,486,169 | -1.2% | 0.11% | $1,898,847,442 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 14,222,791 | +2.9% | 0.12% | $1,857,289,250 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.4% | 13,156,392 | -10% | 0.32% | $1,724,539,864 |
| BARCLAYS PLC | 1.9% | 10,367,590 | -2.4% | 0.49% | $1,358,983,698 |
| AMERIPRISE FINANCIAL INC | 1.7% | 9,070,376 | +13% | 0.28% | $1,192,169,267 |
| Dodge & Cox | 1.6% | 8,739,835 | -6.5% | 0.63% | $1,145,617,572 |
| Invesco Ltd. | 1.4% | 7,701,876 | +0.18% | 0.15% | $1,009,561,906 |
| FMR LLC | 1.1% | 6,079,338 | +24% | 0.04% | $796,879,545 |
| ROYAL BANK OF CANADA | 1.1% | 5,998,367 | -6.9% | 0.15% | $786,266,000 |
| Nuveen, LLC | 1.1% | 5,994,316 | +3.8% | 0.21% | $785,734,969 |
| ALLIANCEBERNSTEIN L.P. | 0.97% | 5,283,217 | -3.5% | 0.2% | $609,207,752 |
| BANK OF AMERICA CORP /DE/ | 0.95% | 5,162,502 | -13% | 0.05% | $676,700,709 |
| GOLDMAN SACHS GROUP INC | 0.95% | 5,151,392 | +27% | 0.09% | $675,244,481 |
| Legal & General Group Plc | 0.88% | 4,776,043 | -3.9% | 0.14% | $626,042,673 |
| NORTHERN TRUST CORP | 0.86% | 4,672,492 | -0.04% | 0.08% | $612,470,251 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.83% | 4,493,458 | -0.32% | 0.21% | $591,413,897 |
| Allspring Global Investments Holdings, LLC | 0.83% | 4,492,979 | -2.7% | 0.99% | $591,590,593 |
| MILLENNIUM MANAGEMENT LLC | 0.76% | 4,151,358 | +200% | 0.41% | $544,160,007 |
| WELLS FARGO & COMPANY/MN | 0.72% | 3,940,226 | -5.4% | 0.1% | $516,484,722 |
| Bank of New York Mellon Corp | 0.66% | 3,605,021 | -1.1% | 0.09% | $472,546,157 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 443,564,623 | $58,050,910,446 | +$244,341,631 | $131.08 | 1,909 |
| 2025 Q4 | 439,471,138 | $50,660,081,919 | -$400,679,262 | $115.31 | 1,845 |
| 2025 Q3 | 441,072,009 | $49,613,781,151 | +$749,957,193 | $112.50 | 1,704 |
| 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 |