POWER SOLUTIONS INTL INC

Ticker: PSIX CUSIP: 73933G202 Class: Common Stock

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

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

Q1 2025

Shares 263,124 Value ($000) $6,652 Avg Close $34.49 Range $24.51 - $45.74

Q4 2024

Shares 71,588 Value ($000) $2,130 Avg Close $25.65 Range $15.30 - $35.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	263,124	$6,652	$34.49	$24.51 - $45.74
Q4 2024	71,588	$2,130	$25.65	$15.30 - $35.65