TALEN ENERGY CORP

Ticker: TLN CUSIP: 87422Q109 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 124,227 Value ($000) $46,565 Avg Close $388.68 Range $343.40 - $451.28

Q3 2025

Shares 123,078 Value ($000) $52,355 Avg Close $361.29 Range $255.50 - $430.71

Q2 2025

Shares 186,558 Value ($000) $54,245 Avg Close $237.27 Range $162.31 - $301.69

Q1 2025

Shares 229,674 Value ($000) $45,859 Avg Close $216.89 Range $158.08 - $258.03

Q4 2024

Shares 307,497 Value ($000) $61,951 Avg Close $195.05 Range $148.02 - $230.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	124,227	$46,565	$388.68	$343.40 - $451.28
Q3 2025	123,078	$52,355	$361.29	$255.50 - $430.71
Q2 2025	186,558	$54,245	$237.27	$162.31 - $301.69
Q1 2025	229,674	$45,859	$216.89	$158.08 - $258.03
Q4 2024	307,497	$61,951	$195.05	$148.02 - $230.89