Stocks / MKSI vs ZS

MKSI vs ZS: Which Stock Is the Better Buy?

MKS Inc. and Zscaler, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Technology.

MKSI is the larger company ($21.2B vs $19.8B). On the fundamentals, ZS grows revenue faster (44.0% vs 11.0%); MKSI earns a higher net margin (7.5% vs -1.6%); MKSI has the stronger return on equity (10.8% vs -2.3%). Both carry 2 potential red flags in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — MKSI vs ZS, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 MKS Inc. (MKSI)Zscaler, Inc. (ZS)
Market cap$21.2B$19.8B
Revenue (latest FY)$3.93B$2.67B
Net income (latest FY)$295.00M$-41.48M
Revenue growth (5y CAGR)11.0%44.0%
Net margin7.5%-1.6%
Return on equity10.8%-2.3%
P/E ratio65.8
Dividend yield0.3%
Profitable years (of last 10)90
Positive free cash flowYesYes

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See the full MKSI vs ZS breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open MKSI's full financials →   Open ZS's full financials →

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Frequently asked questions

Which is bigger, MKSI or ZS?

MKS Inc. is larger by market capitalization — $21.2B versus $19.8B.

Which grows faster, MKSI or ZS?

Over the last five fiscal years, Zscaler, Inc. grew revenue faster — 44.0%/yr versus 11.0%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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