MKS Inc. (MKSI) is up 8.0% today. Here is some analysis on what might have caused this price movement.
Analysis: The most likely driver is a mix of company-specific strength and a favorable backdrop for semiconductor equipment stocks. MKS recently posted first-quarter results above the high end of its own outlook and gave solid second-quarter guidance, while investors have also been warming to stronger NAND and broader wafer-fab-equipment spending tied to AI and memory demand. This could also be because money rotated into chip-equipment names as forecasts for industry capital spending improved.
Details:
Sources:
MKS Inc., Investing.com
Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.
$MKSI Insider Trading Activity
$MKSI insiders have traded $MKSI stock on the open market 39 times in the past 6 months. Of those trades, 0 have been purchases and 39 have been sales.
Here’s a breakdown of recent trading of $MKSI stock by insiders over the last 6 months:
- GERALD G COLELLA has made 0 purchases and 9 sales selling 40,000 shares for an estimated $11,736,749.
- JOHN TSENG-CHUNG LEE (President & CEO) has made 0 purchases and 5 sales selling 40,000 shares for an estimated $10,858,042.
- DAVID PHILIP HENRY (EVP, Global Str Mktg & GM, MSD) has made 0 purchases and 3 sales selling 10,500 shares for an estimated $3,235,953.
- RAMAKUMAR MAYAMPURATH (EVP & CFO) sold 8,810 shares for an estimated $2,779,378
- JAMES ALAN SCHREINER (EVP & COO) has made 0 purchases and 5 sales selling 8,381 shares for an estimated $2,503,775.
- ERIC ROBERT TARANTO (EVP & GM, VSD) has made 0 purchases and 2 sales selling 6,020 shares for an estimated $1,366,941.
- MICHELLE M MCCARTHY (SVP & Chief Accounting Officer) has made 0 purchases and 3 sales selling 3,900 shares for an estimated $1,133,772.
- KATHLEEN FLAHERTY BURKE (EVP, GC & Secretary) sold 4,254 shares for an estimated $1,063,500
- JACQUELINE F MOLONEY has made 0 purchases and 4 sales selling 3,569 shares for an estimated $1,036,707.
- PETER III CANNONE has made 0 purchases and 2 sales selling 2,600 shares for an estimated $732,164.
- JOSEPH B DONAHUE sold 2,100 shares for an estimated $688,703
- JOHN EDWARD WILLIAMS (EVP & GM, PSD) sold 2,042 shares for an estimated $523,744
- ELIZABETH MORA has made 0 purchases and 2 sales selling 600 shares for an estimated $167,238.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$MKSI Hedge Fund Activity
We have seen 349 institutional investors add shares of $MKSI stock to their portfolio, and 264 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ASPEX MANAGEMENT (HK) LTD added 1,538,789 shares (+inf%) to their portfolio in Q1 2026, for an estimated $353,629,100
- INVESCO LTD. added 1,472,145 shares (+61.8%) to their portfolio in Q4 2025, for an estimated $235,248,771
- WHALE ROCK CAPITAL MANAGEMENT LLC added 1,306,724 shares (+inf%) to their portfolio in Q1 2026, for an estimated $300,298,242
- CAPITAL WORLD INVESTORS added 1,277,200 shares (+inf%) to their portfolio in Q1 2026, for an estimated $293,513,332
- CAPITAL INTERNATIONAL INVESTORS removed 1,270,460 shares (-39.2%) from their portfolio in Q1 2026, for an estimated $291,964,412
- FMR LLC removed 1,264,492 shares (-39.5%) from their portfolio in Q1 2026, for an estimated $290,592,906
- PRICE T ROWE ASSOCIATES INC /MD/ removed 1,053,702 shares (-38.3%) from their portfolio in Q1 2026, for an estimated $242,151,256
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$MKSI Government Contracts
We have seen $930,137 of award payments to $MKSI over the last year.
Here are some of the awards which we have have seen pay out the most over the last year:
- AUTOMATED FEMTOSECOND LASER OPTICAL PARAMETRIC AMPLIFIER SYSTEM: $173,950
- TSUNAMI LASER UPGRADE: $124,906
- VIBRATION ISOLATED OPTICAL WORK BENCHES: $54,815
- TWO (2) LAB TABLES WITH DIFFERENT DIMENSIONS TO BE DELIVERED TO WHITE SANDS MISSILE RANGE (WSMR), NEW MEXICO.: $39,327
To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard. You can access data on government contracts through the Quiver Quantitative API government contracts endpoint.
$MKSI Analyst Ratings
Wall Street analysts have issued reports on $MKSI in the last several months. We have seen 3 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Needham issued a "Buy" rating on 05/07/2026
- TD Cowen issued a "Buy" rating on 01/22/2026
- Morgan Stanley issued a "Overweight" rating on 01/22/2026
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 12 analysts offer price targets for $MKSI in the last 6 months, with a median target of $330.0.
Here are some recent targets:
- Joseph Moore from Morgan Stanley set a target price of $374.0 on 05/18/2026
- Joseph Quatrochi from Wells Fargo set a target price of $300.0 on 05/08/2026
- Peter Peng from JP Morgan set a target price of $365.0 on 05/08/2026
- Elizabeth Sun from Citigroup set a target price of $355.0 on 05/08/2026
- Steve Barger from Keybanc set a target price of $360.0 on 05/08/2026
- James Ricchiuti from Needham set a target price of $360.0 on 05/07/2026
- Matthew Prisco from Cantor Fitzgerald set a target price of $400.0 on 04/22/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
