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Boston Partners

Position in MKSI — Mks Inc

CIK 1386060 BOSTON, MA

Position in MKSI

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$21,092,859
+$13,865,106 QoQ
Shares Held
47,421
+50.8% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#139
of 775 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 85% Shared 0% None 15%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Boston Partners holds $419,177,421 across 7 Scientific & Technical Instruments names. MKSI ranks #5 (5.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MKSI
Mks Inc
This page
47,421 $21,092,859

All Filings in MKSI

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,092,859 47,421
2026-03-31 $7,227,753 31,451