MKS INC
In the published model solve dated 2026-Q2, anchored at $259.46, MKS INC (MKSI) is priced for today's economics sustained for ~14.5 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. The narrative was composed June 27, 2026 from SEC EDGAR filings.
• MKS supplies the critical subsystems, plasma, vacuum, RF power, photonics, and process chemistry, that semiconductor and electronics manufacturers build into their tools, and the semiconductor segment alone generated $466 million in the first quarter, up 13% year over year on broad strength across DRAM, NAND, and foundry/logic. [Source: MKS Q1 2026 results, 2026] • The earnings trajectory is the bull's case: first-quarter non-GAAP EPS of $2.30 beat by about 13%, and management guided second-qu
Is MKSI overvalued? See what's priced in →
597 institutional managers reported holding MKSI in 13F filings for the quarter ended 2026-03-31. Together they hold about 94% of the company; the top 10 hold 43%. 149 opened new positions that quarter. Held by Vanguard Group, BlackRock, Invesco, among others. On the short side, 4.6M shares were sold short as of the 2026-06-15 count, about 6% of shares outstanding (4.7 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
MKSI's share count grew 21.7% over the past five years even with $45.00M spent on repurchases. It pays a dividend, and has for 15 years running; the current rate is $0.88 a share annually. Cash returned over the past three years: $165.00M in dividends and $45.00M in repurchases.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
Open-market insider buys at MKSI over the trailing three years: 2023: 1 buy totaling $171k. 15 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
MKSI's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-08-05 | -5.8% | -16.9% |
| 2023-11-09 | +0.8% | +53.2% |
| 2024-02-28 | +5.8% | -3.6% |
| 2024-05-10 | +3.5% | +10.0% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
MKSI's latest 8-K filings: 2026-05-12 (items 5.02, 5.07, 9.01); 2026-05-06 (items 2.02, 9.01); 2026-04-06 (items 5.02); 2026-02-17 (items 2.02, 9.01); 2026-02-05 (items 1.01, 2.03, 7.01, 9.01).
Item codes are the SEC's own classification of what each report discloses. Dates link to the filing on EDGAR. Nothing here is investment advice.
Model solve date: 2026-Q2
Narrative composed: June 27, 2026
Each week boothcheck ranks the stocks whose prices are betting on the most. Read the most stretched bets archive →
boothcheck is also on Android. Get the app on Google Play →
For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.