BLAIR WILLIAM & CO/IL

Position in CEG — Constellation Energy Corp

CIK 902367 CHICAGO, IL

Position in CEG

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

Position Value

$20,582,670

-$1,177,886 QoQ

Shares Held

82,871

+6.3% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#212

of 1,839 holders

Holding Since

Mar 2022

18 quarters on record

Voting authority Sole 90% Shared 0% None 10%

Utilities · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $29,807,037 across 5 Utilities - Independent Power Producers names. CEG ranks #1 (69.1% of the industry book) .

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

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$20,582,670	82,871	+6.3%	Shares	Sole	2026-08-11
2026-03-31	$21,760,556	77,925	+20.4%	Shares	Sole	2026-05-08
2025-12-31	$22,857,628	64,703	+5.0%	Shares	Sole	2026-02-17
2025-09-30	$20,270,712	61,600	+15.9%	Shares	Sole	2025-11-12
2025-06-30	$17,160,180	53,167	+7.5%	Shares	Sole	2025-07-24
2025-03-31	$9,968,385	49,439	+15.3%	Shares	Sole	2025-05-09
2024-12-31	$9,596,264	42,896	+10.3%	Shares	Sole	2025-02-12
2024-09-30	$10,110,617	38,884	+49.6%	Shares	Sole	2024-11-12
2024-06-30	$5,205,217	25,991	+26.7%	Shares	Sole	2024-08-12
2024-03-31	$3,790,718	20,507	+4.3%	Shares	Sole	2024-05-09
2023-12-31	$2,298,524	19,664	+25.1%	Shares	Sole	2024-02-12
2023-09-30	$1,714,737	15,720	-0.2%	Shares	Sole	2023-11-09
2023-06-30	$1,442,644	15,758	+19.3%	Shares	Sole	2023-08-11
2023-03-31	$1,037,220	13,213	+27.0%	Shares	Sole	2023-05-12
2022-12-31	$896,756	10,402	+1.6%	Shares	Sole	2023-02-10
2022-09-30	$851,865	10,240	+25.6%	Shares	Sole	2022-11-09
2022-06-30	$466,726	8,151	-0.2%	Shares	Sole	2022-08-10
2022-03-31	$459,225	8,164	—	Shares	Sole	2022-05-13
No filing history on record for this holder in this stock.