Question 1

How many shares of MKSI does COOKE & BIELER LP own?

Accepted Answer

As of 2026-Q1, COOKE & BIELER LP holds 210,048 shares of MKSI (MKS INC.).

Question 2

What is COOKE & BIELER LP's MKSI position worth?

Accepted Answer

As of 2026-Q1, COOKE & BIELER LP's MKSI position is worth $48.3M.

Question 3

Is COOKE & BIELER LP buying or selling MKSI?

Accepted Answer

In 2026-Q1, COOKE & BIELER LP decreased their MKSI position (-78.3% change in shares).

Question 4

When did COOKE & BIELER LP first buy MKSI?

Accepted Answer

Based on available 13F filings, COOKE & BIELER LP first reported a position in MKSI in 2024-Q2. They have held the position across 28 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	210,048	-78.3%	$48.3M	0.5%	$232.56	0
2025-Q4	Decreased	966,703	-26.9%	$154.5M	1.6%	$161.82	0
2025-Q3	Increased	1.3M	+7.7%	$163.6M	1.7%	$121.95	52
2025-Q2	Increased	1.2M	+18.1%	$121.9M	1.2%	$99.85	56
2025-Q1	Increased	1M	+18.5%	$83.3M	0.8%	$81.08	49
2024-Q4	Increased	877,040	+30.9%	$91.6M	0.9%	$103.20	53
2024-Q3	Increased	669,875	+41.2%	$72.8M	0.7%	$109.18	56
2024-Q2	Decreased	474,515	-46.1%	$62M	0.6%	$129.01	0