American Electric Power Company, Inc. (AEP) Ownership

NASDAQ: AEPTop holders, insider trades and short interest.

AEP ownership summary

as of October 18, 2026
Institutions
94.4%
of shares outstanding
Insiders
0.03%
of shares outstanding
Shares outstanding
544.4M
Float
543.5M
shares available to trade
Short interest
5.41%
29.5M shares short
Days to cover
7.43
short interest up 15.1% vs prior month
  • Institutions 94.44%
  • Insiders 0.03%
  • Other investors 5.52%

AEP top institutional holders

20 largest
American Electric Power Company, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.37%51.0M$6.49B+3.2M (+6.8%)June 30, 2026
2Vanguard Capital Management, LLC6.53%35.5M$4.52B+391,049 (+1.1%)June 30, 2026
3State Street Corp5.65%30.8M$3.91B+495,006 (+1.6%)June 30, 2026
4Vanguard Portfolio Management, LLC4.32%23.5M$2.99B+7.9M (+50.5%)June 30, 2026
5Amvescap Plc.3.59%19.5M$2.48B+474,577 (+2.5%)June 30, 2026
6Morgan Stanley - Brokerage Accounts3.49%19.0M$2.41B+4.5M (+31.0%)June 30, 2026
7Geode Capital Management, LLC2.65%14.4M$1.83B+181,511 (+1.3%)June 30, 2026
8Wellington Management Company LLP2.55%13.9M$1.76B+715,613 (+5.4%)June 30, 2026
9Bank of America Corp2.25%12.3M$1.56B+7.1M (+137.7%)June 30, 2026
10The Goldman Sachs Group Inc2.01%11.0M$1.39B+5.8M (+112.9%)June 30, 2026
11GQG Partners LLC1.89%10.3M$1.30B−4.8M (−31.7%)June 30, 2026
12Ameriprise Financial Inc1.79%9.7M$1.24B+658,037 (+7.3%)June 30, 2026
13FMR Inc1.71%9.3M$1.18B+3.2M (+53.0%)June 30, 2026
14Franklin Templeton Inc1.68%9.1M$1.16B+7.7M (+541.1%)June 30, 2026
15Dodge & Cox1.59%8.7M$1.10B−65,480 (−0.7%)June 30, 2026
16Barclays PLC1.26%6.8M$869.2M−3.5M (−34.1%)June 30, 2026
17Royal Bank of Canada1.10%6.0M$761.7M−7,116 (−0.1%)June 30, 2026
18Nuveen, LLC1.05%5.7M$728.5M−264,484 (−4.4%)June 30, 2026
19AllianceBernstein L.P.0.99%5.4M$686.3M+115,003 (+2.2%)June 30, 2026
20Legal & General Group PLC0.91%5.0M$632.5M+199,022 (+4.2%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 42.7M shares and 5 cut 8.6M.

AEP top mutual fund and ETF holders

20 largest
American Electric Power Company, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.17%17.3M$2.20B−37,581 (−0.2%)August 31, 2026
2Vanguard 500 Index Investor2.63%14.3M$1.82B−159,908 (−1.1%)September 30, 2026
3Vanguard MStar Mid Cap Index Instl2.14%11.7M$1.48B+5.8M (+98.1%)September 30, 2026
4Invesco QQQ Trust2.09%11.4M$1.45B−18,546 (−0.2%)September 30, 2026
5State Street®UtilSelSectSPDR®ETF1.72%9.4M$1.19B+96,237 (+1.0%)September 30, 2026
6iShares Core S&P 500 ETF1.33%7.3M$922.3M−11,692 (−0.2%)September 30, 2026
7Fidelity 500 Index1.30%7.1M$898.0M+27,129 (+0.4%)August 31, 2026
8State Street® SPDR® S&P 500® ETF1.23%6.7M$851.2M—September 30, 2026
9Dodge & Cox Stock I0.97%5.3M$672.4M—June 30, 2026
10Vanguard MStar Value Index Investor0.95%5.2M$659.1M−20,418 (−0.4%)September 30, 2026
11Vanguard Equity-Income Inv0.93%5.1M$643.8M+420,213 (+9.1%)June 30, 2026
12Putnam Large Cap Value A0.89%4.9M$617.1M—August 31, 2026
13Vanguard Utilities ETF0.69%3.7M$475.5M−9,592 (−0.3%)September 30, 2026
14Vanguard MStar Mid Cap Value ETF0.62%3.4M$432.1M+1.6M (+93.0%)September 30, 2026
15Allspring Special Mid Cap Value Inst0.61%3.3M$420.1M—September 30, 2026
16Vanguard Dividend Appreciation ETF0.57%3.1M$391.6M+42 (+0.0%)September 30, 2026
17Putnam Focused Large Cap Value ETF0.54%2.9M$374.9M+2.9M (0.0%)August 31, 2026
18Vanguard Institutional Index I0.53%2.9M$366.2M−28,005 (−1.0%)September 30, 2026
19Columbia Dividend Income Inst0.52%2.8M$358.6M−5,297 (−0.2%)August 31, 2026
20Invesco NASDAQ 100 ETF0.46%2.5M$318.2M+5,796 (+0.2%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

AEP insider transactions

latest 17
American Electric Power Company, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-02-27Phillip R UlrichSell$132.084,106$542,320
2026-02-26David TaylorSell$132.10——
2026-02-24Kelly J FerneauSell$131.461,351$177,602
2026-01-29Ro KhannaBuy$119.21——
2026-01-16David TaylorBuy$119.96——
2025-12-12Benjamin G S Fowke IIISell$115.075,000$575,350
2025-11-14Benjamin G S Fowke IIISell$121.585,000$607,900
2025-11-03David TaylorSell$119.92——
2025-10-10Benjamin G S Fowke IIISell$117.525,000$587,600
2025-10-06Rick LarsenBuy$115.66——
2025-10-02Kelly J FerneauSell$112.001,006$112,672
2025-09-22David TaylorBuy$107.05——
2025-09-12Benjamin G S Fowke IIISell$108.655,000$543,250
2025-06-17David Matthew FeinbergSell$101.748,058$819,821
2025-06-10David Matthew FeinbergSell$101.498,058$817,806
2025-06-03David Matthew FeinbergSell$102.948,057$829,388
2025-05-19Quinton S LiesSell$102.6810,141$1.0M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

AEP shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns AEP

Institutional investors own 94.4% of American Electric Power's shares and insiders 0.03%. The largest holder is BlackRock Inc with 9.37% of the shares (51.0M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 5.41% of the float, or 7.43 days of average trading volume. The share count rose 6.2% since 2014.

Related: AEP analyst forecast, AEP key metrics, AEP dividend history. See the AEP stock overview for the latest quote and news.

AEP ownership FAQ

Who owns the most American Electric Power stock?

The largest shareholders of American Electric Power are BlackRock Inc (9.37%), Vanguard Capital Management, LLC (6.53%), State Street Corp (5.65%), Vanguard Portfolio Management, LLC (4.32%), Amvescap Plc. (3.59%).

What percentage of American Electric Power is owned by institutions?

Institutions hold 94.4% of American Electric Power's shares outstanding; insiders hold 0.03%.

Which funds own American Electric Power?

The largest fund holders of American Electric Power are Vanguard MStar Total Stk Mkt Idx Invest (3.17%), Vanguard 500 Index Investor (2.63%), Vanguard MStar Mid Cap Index Instl (2.14%), Invesco QQQ Trust (2.09%), State Street®UtilSelSectSPDR®ETF (1.72%).

What is American Electric Power's short interest?

29.5M shares of American Electric Power were sold short, 5.41% of the float; at the average daily volume it would take 7.43 days to cover.

Are insiders buying or selling American Electric Power?

Of the latest 17 reported insider transactions in American Electric Power (since May 19, 2025), 4 were purchases and 13 were sales.

How many shares of American Electric Power are outstanding?

American Electric Power has 544.4M shares outstanding, of which 543.5M are in the public float.

Utilities - Regulated Electric: ownership