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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in TLN — Talen Energy Corp

CIK 1644956 CHICAGO, IL

Position in TLN

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$191,230,831
+$23,566,766 QoQ
Shares Held
497,660
-5.2% QoQ
Ownership
1.04%
of shares outstanding
% of Portfolio
0.57%
of 13F equity value
Holder Rank
#19
of 642 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in TLN Over Time

Shares Held

Position Value (USD)

Position in Utilities - Independent Power Producers

Utilities · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $191,230,831 across 1 Utilities - Independent Power Producers name. TLN ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TLN
Talen Energy Corp
This page
497,660 $191,230,831

All Filings in TLN

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $191,230,831 497,660
2026-03-31 $167,664,065 525,214
2025-12-31 $213,433,521 569,399
2025-09-30 $289,129,509 679,697
2025-06-30 $320,365,152 1,101,782
2025-03-31 $222,231,312 1,112,993
2024-12-31 $239,984,214 1,191,166