PERMA-FIX ENVIRONMENTAL SVCS

Ticker: PESI CUSIP: 714157203 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2025

Shares 18,405 Value ($000) $194 Avg Close $9.20 Range $6.25 - $11.33

Q2 2024

Shares 10,897 Value ($000) $110 Avg Close $11.08 Range $8.89 - $14.17

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	18,405	$194	$9.20	$6.25 - $11.33
Q2 2024	10,897	$110	$11.08	$8.89 - $14.17