ENTG

ENTEGRIS INC

Superinvestors

Institutional investors holding ENTG

Investor	Fund	Weight	Shares	Value	Quarter
Stephen Mandel	Lone Pine Capital	2.91%	3,115,054	$365.2M	2026Q1
William Von Mueffling	Cantillon Capital Management	1.69%	2,166,428	$254.0M	2026Q1
Mairs & Power	Mairs & Power Growth Fund	1.61%	1,343,104	$157.5M	2026Q1
Henry Ellenbogen	Durable Capital Partners	1.17%	971,701	$113.9M	2026Q1
Meridian / ArrowMark	Meridian Contrarian Fund	0.65%	209,125	$24.5M	2026Q1
Torray Funds	Torray Investment Partners	0.31%	17,941	$2.1M	2026Q1
Lee Ainslie	Maverick Capital	0.02%	12,859	$1.5M	2026Q1
Kenneth Fisher	Fisher Asset Management	0.00%	23,916	$304K	2004Q1
Polen Capital Management	Polen Capital Management	0.00%	11,539	$1.0M	2025Q1
First Eagle Investment Management	First Eagle Investment Management	0.00%	10,043	$1.2M	2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

22

Total trades

$17.7M

Volume

6

Buys

13

Sells

Last trade: May 14, 2026

Insider Tradeslast 90 days

Date	Insider	Type	Value
May 14, 2026	Olivier Blachier	Sell	$280K
May 14, 2026	Olivier Blachier	Option	$161K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.