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Cornerstone Investment Partners, LLC

Position in MKSI — Mks Inc

CIK 1328062 ATLANTA, GA

Position in MKSI

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$2,669,689
+$506,488 QoQ
Shares Held
6,002
-36.2% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#312
of 773 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Cornerstone Investment Partners, LLC holds $2,669,689 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
6,002 $2,669,689

All Filings in MKSI

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,669,689 6,002
2026-03-31 $2,163,201 9,413
2025-12-31 $1,444,112 9,037
2025-09-30 $1,118,138 9,034
2025-06-30 $896,227 9,020
2025-03-31 $521,536 6,507
2024-12-31 $517,148 4,954
2024-09-30 $395,595 3,639
2024-06-30 $481,709 3,689
2024-03-31 $475,342 3,574
2023-12-31 $357,370 3,474
2023-09-30 $300,639 3,474
2023-06-30 $374,458 3,464
2023-03-31 $306,979 3,464
2022-12-31 $295,961 3,493
2022-09-30 $287,835 3,483