American Electric Power Company, Inc.
American Electric Power Company, Inc. (AEP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AEP · as of Mar 31, 2025
Ownership Breakdown
1,724
Institutional Holders
▲ 154 vs Q4
$49.67B
Total Inst. Value
▲ $11.75B vs Q4
544.11M
Shares Outstanding
freeFloat 99.68%
440.54M
13F Shares Held
▲ 30.36M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AEP largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electric services | 52.27M | 9.80% | 9.80% | $5.71T | May 9, 2025 | ▲ 579.2K |
BLACKROCK, INC. electric services | 44.15M | 8.28% | 8.28% | $4.82T | May 2, 2025 | ▼ 1.12M |
STATE STREET CORP electric services | 27.86M | 5.22% | 5.22% | $3.04T | May 15, 2025 | ▲ 449.3K |
WELLINGTON MANAGEMENT GROUP LLP electric services | 22.10M | 4.14% | 4.14% | $2.42T | May 13, 2025 | ▲ 4.32M |
GQG PARTNERS LLC electric services | 19.63M | 3.68% | 3.68% | $2.15T | May 13, 2025 | ▲ 4.57M |
MORGAN STANLEY electric services | 13.86M | 2.60% | 2.60% | $1.51T | May 15, 2025 | ▲ 1.14M |
GEODE CAPITAL MANAGEMENT, LLC electric services | 13.07M | 2.45% | 2.45% | $1.42T | May 13, 2025 | ▲ 259.2K |
DODGE & COX electric services | 10.81M | 2.03% | 2.03% | $1.18T | May 14, 2025 | ▼ 763.7K |
INVESCO LTD. electric services | 7.37M | 1.38% | 1.38% | $805.29B | May 12, 2025 | ▼ 1.23M |
ROYAL BANK OF CANADA electric services | 7.00M | 1.31% | 1.31% | $764.73B | Nov 21, 2025 | ▼ 48.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
33
Increased
+31.31M shares2
New Positions
first time holders15
Decreased
−6.44M shares0
Sold Out
fully exitedNet shares change (top 50)
+24.86M
+31.31M / −6.44M
Net new holders
+20
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AEP insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Dixon Kate Controller, CAO | May 1, 2026 | Tax Withhold | 636 | $136.91 | $87.1K | 17.8K | Form 4 ↗ |
Cannon Douglas A President AEP Transmission | May 1, 2026 | Tax Withhold | 1,770 | $136.91 | $242.3K | 25.7K | Form 4 ↗ |
Hall Greg B Executive Vice President | May 1, 2026 | Tax Withhold | 4,306 | $136.91 | $589.5K | 36.0K | Form 4 ↗ |
GARY HUNTER CLARK director | Mar 31, 2026 | Award | 0 | — | — | 3.7K | Form 4 ↗ |
Linginfelter Henry P director | Mar 31, 2026 | Award | 0 | — | — | 3.7K | Form 4 ↗ |
Sauvage Joseph G director | Mar 31, 2026 | Award | 0 | — | — | 1.5K | Form 4 ↗ |
Von Thaer Lewis director | Mar 31, 2026 | Award | 0 | — | — | 8.0K | Form 4 ↗ |
GARCIA ART A director | Mar 31, 2026 | Award | 0 | — | — | 2.5K | Form 4 ↗ |
LIN SANDRA BEACH director | Mar 31, 2026 | Award | 0 | — | — | 19.3K | Form 4 ↗ |
McCarthy Margaret M director | Mar 31, 2026 | Award | 0 | — | — | 3.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
American Electric Power Company, Inc. (AEP) is primarily owned by institutional investors, who hold approximately 81.0% of total shares outstanding. Company insiders own approximately 0.32%, while retail and public investors account for the remaining 18.71%.
The largest institutional shareholder of American Electric Power Company, Inc. is VANGUARD GROUP INC, holding approximately 52.27 million shares — equal to 9.80% of outstanding shares — as of March 31, 2025.
A total of 1,724 institutional investors currently hold AEP stock, with a combined institutional value of approximately $49.67 billion as of the most recent 13F filing period.
Frequently asked questions
AEP ownershipAmerican Electric Power Company, Inc. (AEP) is primarily owned by institutional investors, who hold approximately 81.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.80% stake. Company insiders hold 0.32%. Data sourced from SEC Form 13F as of March 31, 2025.