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COOKE & BIELER LP

Position in MKSI — Mks Inc

CIK 24386 PHILADELPHIA, PA

Position in MKSI

as of Jun 30, 2026 · filed Jul 30, 2026
Position Value
$73,492,969
+$25,221,839 QoQ
Shares Held
165,227
-21.3% QoQ
Ownership
0.244%
of shares outstanding
% of Portfolio
0.85%
of 13F equity value
Holder Rank
#64
of 773 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 84% Shared 0% None 16%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

COOKE & BIELER LP holds $73,492,969 across 1 Scientific & Technical Instruments name. MKSI ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MKSI
Mks Inc
This page
165,227 $73,492,969

All Filings in MKSI

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $73,492,969 165,227
2026-03-31 $48,271,130 210,048
2025-12-31 $154,479,139 966,703
2025-09-30 $163,608,716 1,321,877
2025-06-30 $121,933,101 1,227,185
2025-03-31 $83,271,441 1,038,945
2024-12-31 $91,554,205 877,040
2024-09-30 $72,822,111 669,875
2024-06-30 $61,962,168 474,515
2024-03-31 $117,192,152 881,144
2023-12-31 $119,099,491 1,157,767
2023-09-30 $97,801,623 1,130,132
2023-06-30 $129,063,292 1,193,925
2023-03-31 $124,375,954 1,403,475
2022-12-31 $140,861,506 1,662,475
2022-09-30 $124,907,467 1,511,465
2022-06-30 $140,253,952 1,366,598
2022-03-31 $122,878,200 819,188
2021-09-30 $80,345,842 532,409
2021-06-30 $45,033,984 253,071
2021-03-31 $45,303,483 244,329
2020-12-31 $61,416,999 408,222
2020-09-30 $70,357,773 644,125
2020-06-30 $68,205,018 602,305
2020-03-31 $57,210,154 702,396