A detailed history of Steph & CO transactions in Mks Instruments Inc stock. As of the latest transaction made, Steph & CO holds 553 shares of MKSI stock, worth $78,935. This represents 0.02% of its overall portfolio holdings.

Number of Shares
553
Previous 424 30.42%
Holding current value
$78,935
Previous $42,000 61.9%
% of portfolio
0.02%
Previous 0.02%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 06, 2025

BUY
$89.62 - $129.92 $11,560 - $16,759
129 Added 30.42%
553 $68,000
Q2 2025

Jul 16, 2025

BUY
$58.78 - $100.27 $24,922 - $42,514
424 New
424 $42,000

Others Institutions Holding MKSI

About MKS INSTRUMENTS INC


  • Ticker MKSI
  • Exchange NASDAQ
  • Sector Technology
  • Industry Scientific & Technical Instruments
  • Shares Outstandng 66,491,100
  • Market Cap $9.49B
  • Description
  • MKS Instruments, Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes worldwide. Its Vacuum & Analysis segment offers pressure and vacuum control solutions, including direct and indirect pressure measurement; ma...
More about MKSI
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