MARTINGALE ASSET MANAGEMENT L P

Position in VST — Vistra Corp.

CIK 936944 BOSTON, MA

Position in VST

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

Position Value

$2,982,402

+$2,377,625 QoQ

Shares Held

18,801

+367.3% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#482

of 1,395 holders

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 90% Shared 0% None 10%

Utilities · as of Jun 30, 2026

MARTINGALE ASSET MANAGEMENT L P holds $8,894,388 across 4 Utilities - Independent Power Producers names. VST ranks #2 (33.5% of the industry book) .

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

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,982,402	18,801	+367.3%	Shares	Sole	2026-08-13
2026-03-31	$604,777	4,023	-49.8%	Shares	Sole	2026-05-13
2025-12-31	$1,293,382	8,017	-33.4%	Shares	Sole	2026-02-13
2025-09-30	$2,359,856	12,045	+89.3%	Shares	Sole	2025-11-13
2025-06-30	$1,233,019	6,362	+106.5%	Shares	Sole	2025-08-11
2025-03-31	$361,832	3,081	-98.3%	Shares	Sole	2025-05-14
2022-06-30	$4,099,061	179,390	-25.7%	Shares	Sole	2022-08-11
2020-12-31	$4,746,494	241,429	-14.9%	Shares	Sole	2021-02-10
2020-09-30	$5,347,922	283,559	-10.2%	Shares	Sole	2020-11-12
2020-06-30	$5,876,527	315,603	+3.8%	Shares	Sole	2020-08-10
2020-03-31	$4,851,935	304,006	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.