Eric Robert Taranto, the EVP & GM of $MKSI, sold 1,452 shares of the company on 02-20-2026 for an estimated $359,442. We received data on the trade from a recent SEC filing. This was a sale of approximately 6.8% of their shares of this class of stock. Following this trade, they now own 20,012 shares of this class of $MKSI stock.
$MKSI Insider Trading Activity
$MKSI insiders have traded $MKSI stock on the open market 17 times in the past 6 months. Of those trades, 0 have been purchases and 17 have been sales.
Here’s a breakdown of recent trading of $MKSI stock by insiders over the last 6 months:
- JOHN TSENG-CHUNG LEE (President & CEO) has made 0 purchases and 4 sales selling 30,000 shares for an estimated $7,703,242.
- DAVID PHILIP HENRY (EVP, Global Str Mktg & GM, MSD) has made 0 purchases and 2 sales selling 7,000 shares for an estimated $1,173,120.
- KATHLEEN FLAHERTY BURKE (EVP, GC & Secretary) sold 4,254 shares for an estimated $1,063,500
- JOHN EDWARD WILLIAMS (EVP & GM, PSD) sold 2,042 shares for an estimated $523,744
- MICHELLE M MCCARTHY (VP & Chief Accounting Officer) has made 0 purchases and 2 sales selling 1,466 shares for an estimated $366,502.
- ERIC ROBERT TARANTO (EVP & GM, VSD) sold 1,452 shares for an estimated $359,623
- JACQUELINE F MOLONEY has made 0 purchases and 2 sales selling 1,129 shares for an estimated $241,860.
- JAMES ALAN SCHREINER (EVP & COO) has made 0 purchases and 2 sales selling 1,549 shares for an estimated $202,513.
- ELIZABETH MORA has made 0 purchases and 2 sales selling 600 shares for an estimated $77,598.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$MKSI Hedge Fund Activity
We have seen 292 institutional investors add shares of $MKSI stock to their portfolio, and 215 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- INVESCO LTD. added 1,472,145 shares (+61.8%) to their portfolio in Q4 2025, for an estimated $235,248,771
- VICTORY CAPITAL MANAGEMENT INC removed 1,019,817 shares (-28.5%) from their portfolio in Q4 2025, for an estimated $162,966,756
- NORDEA INVESTMENT MANAGEMENT AB removed 996,602 shares (-62.4%) from their portfolio in Q4 2025, for an estimated $159,256,999
- JPMORGAN CHASE & CO added 886,847 shares (+133.4%) to their portfolio in Q4 2025, for an estimated $141,718,150
- PRICE T ROWE ASSOCIATES INC /MD/ removed 879,169 shares (-24.2%) from their portfolio in Q4 2025, for an estimated $140,491,206
- RAFFERTY ASSET MANAGEMENT, LLC removed 878,114 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $108,684,169
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 625,561 shares (-75.8%) from their portfolio in Q4 2025, for an estimated $99,964,647
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$MKSI Revenue
$MKSI had revenues of $1B in Q4 2025. This is an increase of 10.6% from the same period in the prior year.
You can track MKSI financials on Quiver Quantitative's MKSI stock page.
$MKSI Congressional Stock Trading
Members of Congress have traded $MKSI stock 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $MKSI stock by members of Congress over the last 6 months:
- REPRESENTATIVE LISA C. MCCLAIN has traded it 3 times. They made 1 purchase worth up to $15,000 on 10/30 and 2 sales worth up to $30,000 on 10/31, 10/30.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$MKSI Analyst Ratings
Wall Street analysts have issued reports on $MKSI in the last several months. We have seen 7 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Morgan Stanley issued a "Overweight" rating on 01/22/2026
- TD Cowen issued a "Buy" rating on 01/22/2026
- Needham issued a "Buy" rating on 01/13/2026
- Mizuho issued a "Outperform" rating on 12/17/2025
- Citigroup issued a "Buy" rating on 11/12/2025
- Keybanc issued a "Overweight" rating on 11/07/2025
- Benchmark issued a "Buy" rating on 11/07/2025
To track analyst ratings and price targets for $MKSI, check out Quiver Quantitative's $MKSI forecast page.
$MKSI Price Targets
Multiple analysts have issued price targets for $MKSI recently. We have seen 13 analysts offer price targets for $MKSI in the last 6 months, with a median target of $255.0.
Here are some recent targets:
- Joseph Quatrochi from Wells Fargo set a target price of $255.0 on 02/19/2026
- James Ricchiuti from Needham set a target price of $300.0 on 02/19/2026
- James Schneider from Goldman Sachs set a target price of $200.0 on 02/19/2026
- Atif Malik from Citigroup set a target price of $295.0 on 02/19/2026
- Peter Peng from JP Morgan set a target price of $305.0 on 02/19/2026
- Melissa Weathers from Deutsche Bank set a target price of $305.0 on 02/19/2026
- Vivek Arya from B of A Securities set a target price of $255.0 on 01/22/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
