A detailed history of Aqr Arbitrage LLC transactions in Mks Instruments Inc stock. As of the latest transaction made, Aqr Arbitrage LLC holds 37,344 shares of MKSI stock, worth $5.33 Million. This represents 0.33% of its overall portfolio holdings.

Number of Shares
37,344
Previous 33,499 11.48%
Holding current value
$5.33 Million
Previous $3.33 Million 38.88%
% of portfolio
0.33%
Previous 0.22%

Shares

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

Nov 14, 2025

BUY
$89.62 - $129.92 $344,588 - $499,542
3,845 Added 11.48%
37,344 $4.62 Million
Q2 2025

Aug 14, 2025

BUY
$58.78 - $100.27 $193,915 - $330,790
3,299 Added 10.92%
33,499 $3.33 Million
Q1 2025

May 15, 2025

BUY
$78.89 - $122.69 $2.38 Million - $3.71 Million
30,200 New
30,200 $2.42 Million

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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