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MARTINGALE ASSET MANAGEMENT L P

Position in AEP — American Electric Power Co Inc

CIK 936944 BOSTON, MA

Position in AEP

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$20,795,186
+$1,791,868 QoQ
Shares Held
158,645
-3.7% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.52%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 68% Shared 0% None 32%

Common Shares in AEP Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Electric

Utilities · as of Mar 31, 2026

MARTINGALE ASSET MANAGEMENT L P holds $223,719,213 across 20 Utilities - Regulated Electric names. AEP ranks #6 (9.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 AEP
American Electric Power Co Inc
This page
158,645 $20,795,186

All Filings in AEP

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $20,795,186 158,645
2025-12-31 $19,003,318 164,802
2025-09-30 $19,071,562 169,525
2025-06-30 $19,087,067 183,954
2025-03-31 $20,237,896 185,210
2024-12-31 $17,757,503 192,535
2024-09-30 $11,575,332 112,820
2024-06-30 $656,821 7,486
2024-03-31 $412,074 4,786
2023-12-31 $965,380 11,886
2023-09-30 $2,121,204 28,200
2023-06-30 $24,812,476 294,685
2023-03-31 $28,064,226 308,432
2022-12-31 $29,182,407 307,345
2022-09-30 $21,314,246 246,550
2022-06-30 $23,897,310 249,086
2022-03-31 $10,019,003 100,421
2021-12-31 $9,030,365 101,499
2021-09-30 $13,105,211 161,434
2021-06-30 $22,179,835 262,204
2021-03-31 $21,525,996 254,144
2020-12-31 $18,322,980 220,043
2020-09-30 $16,940,503 207,274
2020-06-30 $16,281,043 204,433
2020-03-31 $16,758,528 209,534