Institutional shares held 62.7 Million
393K calls
143K puts
Total value of holdings $8.24B
$51.6M calls
$18.8M puts
Market Cap $8.74B
66,491,100 Shares Out.
Institutional ownership 94.35%
# of Institutions 369


Latest Institutional Activity in MKSI

Top Purchases

Q1 2024
Wellington Management Group LLP Shares Held: 3.37M ($442M)
Q1 2024
Nordea Investment Management Ab Shares Held: 2.14M ($281M)
Q1 2024
Neuberger Berman Group LLC Shares Held: 997K ($131M)
Q1 2024
Bank Of America Corp Shares Held: 650K ($85.4M)
Q1 2024
Morgan Stanley Shares Held: 512K ($67.3M)

Top Sells

Q1 2024
Victory Capital Management Inc Shares Held: 3.92M ($515M)
Q1 2024
Price T Rowe Associates Inc Shares Held: 7.56M ($994M)
Q1 2024
Cooke & Bieler LP Shares Held: 881K ($116M)
Q1 2024
Royce & Associates LP Shares Held: 919K ($121M)
Q1 2024
Polaris Capital Management, LLC Shares Held: 367K ($48.2M)

About MKSI

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; materials delivery solutions comprising flow and valve technologies, as well as integrated pressure measurement and control subsystems, which provide customers with precise control capabilities; power solutions products, such as microwave, power delivery systems, radio frequency matching networks, and metrology products used in providing energy to etching, stripping, and deposition processes; and plasma and reactive gas products. Its Light & Motion segment offers laser products, such as continuous wave and pulsed nanosecond, diode and diode-pumped solid-state, and fiber laser technologies; and photonics products comprising motion control, optical tables and vibration isolation systems, photonic instruments, optics and optical assemblies, opto-mechanical components, temperature sensing products for wafer fabrication systems, and laser and LED measurement products, including laser power and energy meters, laser beam profilers, and optical and photonic subsystems. Its Equipment & Solutions segment provides laser-based systems for printed circuit board (PCB) manufacturing, including flexible interconnect PCB processing systems and high-density interconnect solutions for rigid PCB manufacturing and substrate processing, and multi-layer ceramic capacitor test systems. It serves semiconductor, industrial technologies, life and health sciences, research, and defense markets. It sells its products and services through its direct sales organization, independent distributors, and sales representatives, as well as through its websites and product catalogs. The company was incorporated in 1961 and is headquartered in Andover, Massachusetts.


Insider Transactions at MKSI

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
145K Shares
From 15 Insiders
Grant, award, or other acquisition 11.3K shares
Exercise of conversion of derivative security 132K shares
Open market or private purchase 2.5K shares
Sell / Disposition
170K Shares
From 12 Insiders
Open market or private sale 111K shares
Payment of exercise price or tax liability 59K shares

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