MARTINGALE ASSET MANAGEMENT L P

Position in CEG — Constellation Energy Corp

CIK 936944 BOSTON, MA

Position in CEG

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$3,746,413

+$494,547 QoQ

Shares Held

15,084

+29.5% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#481

of 1,840 holders

Holding Since

Sep 2023

5 quarters on record

Voting authority Sole 58% Shared 0% None 42%

Utilities · as of Jun 30, 2026

MARTINGALE ASSET MANAGEMENT L P holds $8,894,388 across 4 Utilities - Independent Power Producers names. CEG ranks #1 (42.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CEG	Constellation Energy Corp This page	15,084	$3,746,413
2	VST	Vistra Corp.	18,801	$2,982,402
3	HNRG	Hallador Energy Co	83,240	$1,447,543
4	NRG	Nrg Energy, Inc.	4,916	$718,030

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,746,413	15,084	+29.5%	Shares	Sole	2026-08-13
2026-03-31	$3,251,866	11,645	+339.6%	Shares	Sole	2026-05-13
2025-12-31	$935,812	2,649	-90.0%	Shares	Sole	2026-02-13
2023-12-31	$3,095,948	26,486	-20.6%	Shares	Sole	2024-02-12
2023-09-30	$3,639,563	33,366	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.