Does Cooke & Bieler own MKSI stock?

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

How many shares of MKSI does Cooke & Bieler own?

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

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

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

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

30 quarters

Position history for Cooke & Bieler LP's holdings in MKS Inc.

Current Value

$48.1M

Current Shares

181,089

Total Value Change

+$30.9M

Total Shares Change

-38,932

Quarter-by-Quarter History

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
2024-Q2	Decreased	474,515	-46.1%	$62M	0.6%	$128.67	0
2024-Q1	Decreased	881,144	-23.9%	$117.2M	1.1%	$130.83	0
2023-Q4	Increased	1.2M	+2.5%	$119.1M	1.0%	$101.01	49
2023-Q3	Decreased	1.1M	-5.3%	$97.8M	1.0%	$84.73	0
2023-Q2	Decreased	1.2M	-14.9%	$129.1M	1.2%	$105.60	0
2023-Q1	Decreased	1.4M	-15.6%	$124.4M	1.2%	$86.36	0
2022-Q4	Increased	1.7M	+10.0%	$140.9M	1.4%	$82.38	52
2022-Q3	Increased	1.5M	+10.6%	$124.9M	1.3%	$80.13	53
2022-Q2	Increased	1.4M	+66.8%	$140.3M	1.3%	$99.33	70
2022-Q1	Increased	819,188	+34.0%	$122.9M	1.1%	$144.91	61
2021-Q4	Increased	611,114	+14.8%	$106.4M	0.9%	$168.01	48
2021-Q3	Increased	532,409	+110.4%	$80.3M	0.7%	$145.37	68
2021-Q2	Increased	253,071	+3.6%	$45M	0.4%	$171.16	36
2021-Q1	Decreased	244,329	-40.1%	$45.3M	0.4%	$178.13	0
2020-Q4	Decreased	408,222	-36.6%	$61.4M	0.7%	$144.36	0
2020-Q3	Increased	644,125	+6.9%	$70.4M	0.9%	$104.65	45
2020-Q2	Decreased	602,305	-14.3%	$68.2M	0.9%	$108.31	0
2020-Q1	Decreased	702,396	-20.6%	$57.2M	0.9%	$77.75	0
2019-Q4	Increased	884,992	+283.8%	$97.4M	1.0%	$104.84	76
2019-Q3	Increased	230,581	+4.8%	$21.3M	0.4%	$87.77	36
2019-Q2	New	220,021	-	$17.1M	0.3%	$73.89	47