BLAIR WILLIAM & CO/IL

Position in TLN — Talen Energy Corp

CIK 902367 CHICAGO, IL

Position in TLN

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

Position Value

$1,182,752

+$324,981 QoQ

Shares Held

3,078

+14.6% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#319

of 639 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 56% Shared 0% None 44%

Utilities · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $29,807,037 across 5 Utilities - Independent Power Producers names. TLN ranks #4 (4.0% 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.	19,088	$3,027,929
4	TLN	Talen Energy Corp This page	3,078	$1,182,752
5	NRG	Nrg Energy, Inc.	5,927	$865,697

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,182,752	3,078	+14.6%	Shares	Sole	2026-08-11
2026-03-31	$857,771	2,687	-56.0%	Shares	Sole	2026-05-08
2025-12-31	$2,287,648	6,103	+46.9%	Shares	Sole	2026-02-17
2025-09-30	$1,767,028	4,154	+240.2%	Shares	Sole	2025-11-12
2025-06-30	$355,030	1,221	—	Shares	Sole	2025-07-24
No filing history on record for this holder in this stock.