Security Snapshot

AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP) Institutional Ownership

CUSIP: 025537101

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

1,432

Shares (Excl. Options)

275.97MFull value: 275,971,669 · shares · 30 Sep 2026

Price

$118.64

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Security type / class
Equity / Common Stock
Symbol
AEP on Nasdaq
All holders as of 30 Sep 2026
Q3 2026
Total 13F shares
275,971,669
Latest holder snapshot 5 signals
Total 13F value
$32,881,385,914
Portfolio coverage rank
0.03%
Share change
+11,526,765
Value change
+$1,376,517,383
Number of holders
1,432
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
544,744,261
SEC-reported price per share
$125.65
Insider filing price
$125.65
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • AEP - AMERICAN ELECTRIC POWER CO INC - Common Stock is tracked under CUSIP 025537101.
  • 1432 institutions reported positions in Q3 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 1,989 to 1,432 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $68.56BFull value: $68,562,937,523 · USD · 30 Jun 2026
    to
    $32.88BFull value: $32,881,385,914 · USD · 30 Sep 2026
    .

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

Latest holder context comes from 1432 institutions filings for Q3 2026.

Open SEC evidence

Security key

025537101

13F reference period

Q3 2026

13F holders

1,432

13D/G owners

3

CIK / CUSIP context first

Open Q3 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

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
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
VANGUARD PORTFOLIO MANAGEMENT LLC 5.7% $3,670,896,475 30,941,474 Vanguard Portfolio Management 30 Sep 2026
As of 30 Sep 2026, 1,432 institutional investors reported holding
275.97MFull value: 275,971,669 · shares · 30 Sep 2026
shares of AMERICAN ELECTRIC POWER CO INC - Common Stock (AEP). This represents 51% of the company’s total
544.74MFull value: 544,744,261 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
38%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD CAPITAL MANAGEMENT LLC 6.5% 35,629,250 +0.28% 0.09% $4,227,054,220
STATE STREET CORP 5.8% 31,676,723 +2.9% 0.11% $3,758,126,417
VANGUARD PORTFOLIO MANAGEMENT LLC 5.7% 30,875,784 +31% 0.17% $3,663,103,014
MORGAN STANLEY 3.7% 19,997,384 +5.4% 0.12% $2,372,489,934
Invesco Ltd. 3.5% 19,114,527 -2.1% 0.18% $2,267,747,455
GEODE CAPITAL MANAGEMENT, LLC 2.7% 14,649,304 +1.7% 0.09% $1,731,172,137
FRANKLIN TEMPLETON INC 2.4% 12,981,115 +42% 0.35% $1,677,679,305
Dodge & Cox 1.4% 7,525,040 -13% 0.48% $892,770,746
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.83% 4,506,131 +7.9% 0.19% $535,751,360
VANGUARD FIDUCIARY TRUST CO 0.56% 3,073,116 +0.59% 0.08% $364,594,482
Pictet Asset Management Holding SA 0.54% 2,957,260 +6.4% 0.33% $350,849,326
Amundi 0.44% 2,411,736 -17% 0.06% $286,128,358
Mitsubishi UFJ Trust & Banking Corp 0.41% 2,234,211 +4.4% 0.58% $265,066,792
Mawer Investment Management Ltd. 0.4% 2,161,615 -5.4% 1.9% $256,454,004
TD ASSET MANAGEMENT INC 0.4% 2,155,680 +1.8% 0.22% $257,172,624
HighTower Advisors, LLC 0.38% 2,063,570 +4.1% 0.23% $244,821,956
National Pension Service 0.36% 1,978,168 +0.38% 0.15% $234,689,852
DIMENSIONAL FUND ADVISORS LP 0.35% 1,881,876 +1.4% 0.04% $223,273,697
RAYMOND JAMES FINANCIAL INC 0.34% 1,852,484 -26% 0.06% $219,778,639
DEUTSCHE BANK AG\ 0.34% 1,840,279 -16% 0.06% $218,330,700
CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 0.31% 1,699,646 +9.3% 3.1% $201,646,002
ANTIPODES PARTNERS Ltd 0.31% 1,686,574 -0.75% 3.7% $200,095,139
BNP PARIBAS FINANCIAL MARKETS 0.3% 1,643,100 0.1% $194,937,384
Capital Research Global Investors 0.28% 1,512,714 +0.4% 0.03% $179,468,389
Swiss National Bank 0.27% 1,488,200 -2.9% 0.09% $176,560,048

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
51
Headline period
Q3 2026
Rows shown
1-25 of 51
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 275,971,669 $32,881,385,914 +$1,376,517,383 $118.64 1,432
2026 Q2 501,497,548 $68,562,937,523 +$7,376,256,776 $136.81 1,989
2026 Q1 447,517,361 $58,569,046,872 +$147,320,847 $131.08 1,937
2025 Q4 439,484,418 $50,661,613,280 -$400,712,702 $115.31 1,849
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
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