Question 1

Does Cooke & Bieler own MKSI stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Cooke & Bieler holds 181,089 shares of MKSI (MKS), worth $48.1M.

Question 2

How many shares of MKSI does Cooke & Bieler own?

Accepted Answer

As of its Q3 2026 13F, Cooke & Bieler holds 181,089 shares of MKSI (MKS).

Question 3

What is Cooke & Bieler's MKSI position worth?

Accepted Answer

As of its Q3 2026 13F, Cooke & Bieler's MKSI position is worth $48.1M.

Question 4

Is Cooke & Bieler buying or selling MKSI?

Accepted Answer

In Q3 2026, Cooke & Bieler increased its MKSI position by 15,862 shares (+9.6%).

Question 5

When did Cooke & Bieler first buy MKSI?

Accepted Answer

Cooke & Bieler first reported MKSI in its Q2 2019 13F and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Increased	181,089	+9.6%	$48.1M	0.8%	$265.36	45
2026-Q2	Decreased	165,227	-21.3%	$73.5M	0.8%	$444.39	0
2026-Q1	Decreased	210,048	-78.3%	$48.3M	0.5%	$229.42	0
2025-Q4	Decreased	966,703	-26.9%	$154.5M	1.6%	$159.38	0
2025-Q3	Increased	1.3M	+7.7%	$163.6M	1.7%	$123.25	52
2025-Q2	Increased	1.2M	+18.1%	$121.9M	1.2%	$98.74	56
2025-Q1	Increased	1M	+18.5%	$83.3M	0.8%	$79.44	49
2024-Q4	Increased	877,040	+30.9%	$91.6M	0.9%	$103.24	53
2024-Q3	Increased	669,875	+41.2%	$72.8M	0.7%	$107.31	56