BLAIR WILLIAM & CO/IL

Position in VST — Vistra Corp.

CIK 902367 CHICAGO, IL

Position in VST

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$3,027,929

+$282,753 QoQ

Shares Held

19,088

+4.5% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#478

of 1,395 holders

Holding Since

Mar 2021

12 quarters on record

Voting authority Sole 69% Shared 0% None 31%

Utilities · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $29,807,037 across 5 Utilities - Independent Power Producers names. VST ranks #3 (10.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CEG	Constellation Energy Corp	82,871	$20,582,670
2	OKLO	Oklo Inc.	79,266	$4,147,989
3	VST	Vistra Corp. This page	19,088	$3,027,929
4	TLN	Talen Energy Corp	3,078	$1,182,752
5	NRG	Nrg Energy, Inc.	5,927	$865,697

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,027,929	19,088	+4.5%	Shares	Sole	2026-08-11
2026-03-31	$2,745,176	18,261	-27.8%	Shares	Sole	2026-05-08
2025-12-31	$4,081,165	25,297	+14.8%	Shares	Sole	2026-02-17
2025-09-30	$4,316,705	22,033	+74.5%	Shares	Sole	2025-11-12
2025-06-30	$2,447,626	12,629	+39.3%	Shares	Sole	2025-07-24
2025-03-31	$1,064,358	9,063	-81.7%	Shares	Sole	2025-05-09
2024-12-31	$6,837,524	49,594	+403.0%	Shares	Sole	2025-02-12
2024-09-30	$1,168,685	9,859	-0.7%	Shares	Sole	2024-11-12
2024-06-30	$853,609	9,928	+57.2%	Shares	Sole	2024-08-12
2024-03-31	$439,979	6,317	-14.9%	Shares	Sole	2024-05-09
2023-12-31	$285,972	7,424	-38.5%	Shares	Sole	2024-02-12
2021-03-31	$213,539	12,078	—	Shares	Sole	2021-05-13
No filing history on record for this holder in this stock.