ENTEGRIS INC

Ticker: ENTG CUSIP: 29362U104 Class: EQTY

LOUISBOURG INVESTMENTS INC.'s Holding History (CIK: 0002053050)

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

Q4 2025

Shares 38,519 Value ($000) $2,483 Avg Close $86.76 Range $67.91 - $101.29

Q3 2025

Shares 30,325 Value ($000) $2,080 Avg Close $84.89 Range $70.21 - $98.85

Q2 2025

Shares 34,825 Value ($000) $2,123 Avg Close $75.73 Range $60.49 - $87.54

Q1 2025

Shares 31,640 Value ($000) $2,190 Avg Close $100.41 Range $84.39 - $109.99

Q4 2024

Shares 21,765 Value ($000) $1,791 Avg Close $104.86 Range $94.42 - $113.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	38,519	$2,483	$86.76	$67.91 - $101.29
Q3 2025	30,325	$2,080	$84.89	$70.21 - $98.85
Q2 2025	34,825	$2,123	$75.73	$60.49 - $87.54
Q1 2025	31,640	$2,190	$100.41	$84.39 - $109.99
Q4 2024	21,765	$1,791	$104.86	$94.42 - $113.19