MKSI Insider Trading

Insider Ownership Percentage: 0.46%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,299,791.75

MKS Instruments Insider Trading History Chart

This chart shows the insider buying and selling history at MKS Instruments by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$862ksoldQ1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1-$100M$0$100MTotal Insider BuyingTotal Insider Selling

MKS Instruments Share Price & Price History

Current Price: $81.59
Price Change: Price Decrease of -3.23 (-3.81%)
As of 03/28/2025 05:00 PM ET

This chart shows the closing price history over time for MKSI up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
MayJunJulAugSepOctNovDecJanFebMar$81.59Closing price on 03/29/25:

SEC Filings (Institutional Ownership Changes) for MKS Instruments (NASDAQ:MKSI)

99.79% of MKS Instruments stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MKSI by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table
2022202320242025$548Mbought$248MsoldQ1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1-$500M$0$500MTotal InflowsTotal Outflows
MKS Instruments logo
MKS Instruments, Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, Germany, China, South Korea, and internationally. It operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. The VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and vacuum technology. The PSD segment offers range of solutions, which include lasers, beam measurement and profiling, precision motion control, vibration isolation systems, photonics instruments, temperature sensing, opto-mechanical components, optical elements, systems for flexible PCB laser processing, and laser-based systems, as well as high density interconnect PCB and package manufacturing. The MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, software, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. The company was incorporated in 1961 and is headquartered in Andover, Massachusetts.
Read More on MKS Instruments

Today's Range

Now: $81.59
Low: $80.77
High: $84.52

50 Day Range

MA: $99.35
Low: $78.89
High: $122.69

52 Week Range

Now: $81.59
Low: $76.37
High: $147.40

Volume

825,764 shs

Average Volume

915,455 shs

Market Capitalization

$5.50 billion

P/E Ratio

29.14

Dividend Yield

0.98%

Beta

1.75

Who are the company insiders with the largest holdings of MKS Instruments?

MKS Instruments' top insider investors include:
  1. Carlyle Partners Vi Cayman Hol (Major Shareholder)
  2. Gerard G Colella (Director)
  3. Kathleen Flaherty Burke (EVP)
  4. Seth H Bagshaw (CFO)
  5. Elizabeth Mora (Director)
  6. Jacqueline F Moloney (Director)
  7. David Philip Henry (EVP)
  8. John Edward Williams (EVP)
Learn More about top insider investors at MKS Instruments.

Who are the major institutional investors of MKS Instruments?

MKS Instruments' top institutional shareholders include:
  1. Vanguard Group Inc. — 11.06%
  2. FMR LLC — 6.27%
  3. Price T Rowe Associates Inc. MD — 4.96%
  4. Capital International Investors — 4.60%
  5. Victory Capital Management Inc. — 4.59%
  6. Nordea Investment Management AB — 3.75%
Learn More about top institutional investors of MKS Instruments stock.

Which major investors are selling MKS Instruments stock?

During the last quarter, MKSI stock was sold by these institutional investors:
  1. Price T Rowe Associates Inc. MD
  2. JPMorgan Chase & Co.
  3. Balyasny Asset Management L.P.
  4. Bank of America Corp DE
  5. Barclays PLC
  6. Bank of New York Mellon Corp
  7. Twinbeech Capital LP
  8. FMR LLC
Within the previous year, company insiders that have sold MKS Instruments company stock include:
  1. Carlyle Partners Vi Cayman Hol (Major Shareholder)
  2. Gerard G Colella (Director)
  3. Kathleen Flaherty Burke (EVP)
  4. Seth H Bagshaw (CFO)
Learn More investors selling MKS Instruments stock.

Which major investors are buying MKS Instruments stock?

In the previous quarter, MKSI stock was bought by institutional investors including:
  1. Madison Investment Advisors LLC
  2. Norges Bank
  3. Shapiro Capital Management LLC
  4. Assenagon Asset Management S.A.
  5. Raymond James Financial Inc.
  6. Raymond James Financial Inc.
  7. Nordea Investment Management AB
  8. D. E. Shaw & Co. Inc.