MKSI — MKS INSTRS INC

Ownership history in OSSIAM  ·  5 quarters on record

This page tracks every 13F SEC filing in which OSSIAM reported a position in MKS INSTRS INC (MKSI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.07% (2025 Q3)
Avg. % of fund
0.02%
First filed
2022 Q3
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 41,215 +38,488 +1411.4% 0.07% $5.1M $123.46
2023 Q2 ADDED 2,727 +1,282 +88.7% 0.01% $295K $105.77
2023 Q1 ADDED 1,445 +626 +76.4% 0.00% $128K $86.51
2022 Q4 UNCHANGED 819 — 0% 0.00% $69K $82.52
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MKSI price (monthly, adj. close)

Other funds also holding MKSI

As of 2025 Q4 — sorted by position size

VALUE HOLDINGS MANAGEMENT CO. LLC 3Y 7Y 7.96% Fourier Capital Management Ltd 7.39% Blue Grotto Capital, LLC 3Y 6.82% Candelo Capital Management LP 5.01% Harvey Partners, LLC 3Y 7Y 4.1% Park West Asset Management LLC 3Y 7Y 3.7% HARBER ASSET MANAGEMENT LLC 3Y 7Y 3.52% Polaris Capital Management, LLC 3Y 7Y 3.51% Divisar Capital Management LLC 3Y 7Y 3.48% Delta Global Management LP 2.42%
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