MKS INC
In the published model solve dated 2026-Q2, anchored at $266.94, MKS INC (MKSI) is priced for today's economics sustained for ~13.3 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
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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: 2026-08-05 (items 2.02, 9.01); 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).
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
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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.