A detailed history of Summit Trail Advisors, LLC transactions in Mks Instruments Inc stock. As of the latest transaction made, Summit Trail Advisors, LLC holds 13,601 shares of MKSI stock, worth $1.94 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
13,601
Previous 2,496 444.91%
Holding current value
$1.94 Million
Previous $248,000 578.63%
% of portfolio
0.02%
Previous 0.0%

Shares

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

Nov 14, 2025

BUY
$89.62 - $129.92 $995,230 - $1.44 Million
11,105 Added 444.91%
13,601 $1.68 Million
Q2 2025

Aug 14, 2025

BUY
$58.78 - $100.27 $146,714 - $250,273
2,496 New
2,496 $248,000
Q1 2018

May 21, 2018

SELL
$95.5 - $125.45 $477 - $627
-5 Closed
0 $0
Q4 2017

Feb 14, 2018

BUY
$89.5 - $108.65 $447 - $543
5
5 $0

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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