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MARSHALL WACE, LLP

Position in AEP — American Electric Power Co Inc

CIK 1318757 LONDON, X0

Position in AEP

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$54,309,190
+$48,200,863 QoQ
Shares Held
396,968
+751.9% QoQ
Ownership
0.073%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#135
of 1,968 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in AEP Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Electric

Utilities · as of Jun 30, 2026

MARSHALL WACE, LLP holds $936,142,871 across 24 Utilities - Regulated Electric names. AEP ranks #5 (5.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 AEP
American Electric Power Co Inc
This page
396,968 $54,309,190

All Filings in AEP

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19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $54,309,190 396,968
2026-03-31 $6,108,327 46,600
2025-12-31 $38,436,395 333,331
2025-09-30 $244,993,274 2,177,718
2025-06-30 $196,124,764 1,890,177
2025-03-31 $232,824,210 2,130,724
2024-12-31 $6,842,358 74,188
2024-09-30 $31,860,378 310,530
2024-06-30 $19,851,525 226,254
2023-09-30 $3,313,441 44,050
2023-03-31 $5,383,605 59,167
2022-12-31 $242,977 2,559
2022-09-30 $3,478,661 40,239
2021-12-31 $94,918,622 1,066,861
2021-09-30 $5,491,015 67,640
2021-06-30 $14,638,553 173,053
2021-03-31 $1,255,677 14,825
2020-12-31 $1,326,074 15,925
2020-03-31 $4,627,482 57,858