VISTRA CORP

Ticker: VST CUSIP: 92840M102 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025

Shares 270,468 Value ($000) $43,635 Avg Close $181.92 Range $158.43 - $216.80

Q3 2025

Shares 539,134 Value ($000) $105,627 Avg Close $197.68 Range $177.99 - $219.51

Q2 2025

Shares 329,531 Value ($000) $63,866 Avg Close $147.45 Range $90.17 - $197.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	270,468	$43,635	$181.92	$158.43 - $216.80
Q3 2025	539,134	$105,627	$197.68	$177.99 - $219.51
Q2 2025	329,531	$63,866	$147.45	$90.17 - $197.71