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STEPH & CO

Position in MKSI — Mks Inc

CIK 941519 MARINETTE, WI

Position in MKSI

as of Jun 30, 2026 · filed Jul 16, 2026
Position Value
$187,705
-$33,372 QoQ
Shares Held
422
-56.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#627
of 773 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

STEPH & CO holds $451,580 across 3 Scientific & Technical Instruments names. MKSI ranks #2 (41.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MKSI
Mks Inc
This page
422 $187,705

All Filings in MKSI

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $187,705 422
2026-03-31 $221,077 962
2025-12-31 $185,687 1,162
2025-09-30 $68,444 553
2025-06-30 $42,128 424