Mks Inc. (MKSI) intrinsic value & 10-year financials

Mks Inc. (MKSI) has a Graham intrinsic value of $103.23 per share. At $214.83 on Oct 17, 2026, the stock trades 108% above that value. Over the last 10 fiscal years revenue grew 13.1% a year to $3.9B, with an average return on invested capital of 9.9%.

Graham intrinsic value
$103.23
Share price (Oct 17, 2026)
$214.83
Price vs Graham value
108% above
Market cap
$14.5B
Revenue (FY2025)
$3.9B
Revenue growth (10-yr CAGR)
13.1%
ROIC (10-yr avg)
9.9%
Free cash flow (FY2025)
$497.0M

MKSI 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $3.9B $295.0M $4.37 $497.0M 13.4% 7.9%
FY2024 $3.6B $190.0M $2.81 $410.0M 13.9% 7.4%
FY2023 $3.6B -$1.8B -$27.54 $232.0M -42.9% -18.7%
FY2022 $3.5B $333.0M $5.56 $365.0M 17.4% 8.0%
FY2021 $2.9B $551.4M $9.90 $552.8M 23.7% 20.0%
FY2020 $2.3B $350.1M $6.33 $428.3M 19.5% 13.8%
FY2019 $1.9B $140.4M $2.55 $180.6M 11.6% 8.3%
FY2018 $2.1B $392.9M $7.14 $350.8M 23.8% 25.0%
FY2017 $1.9B $339.1M $6.16 $323.9M 21.2% 18.8%
FY2016 $1.3B $104.8M $1.94 $161.0M 12.1% 7.9%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

MKS INC is a consistent compounder, expanding top-line revenue at 13.1% annually over the past decade.

MKS INC returns on capital have been average, hovering around 9.9% ROIC over the decade.

Over the decade, MKS INC shows that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, MKS INC is modeled at 9.4% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $103.23 per share.

MKSI stock: frequently asked questions

What is the intrinsic value of Mks Inc. (MKSI) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 9.4% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, MKSI's intrinsic value is about $103.23 per share.

Is MKSI stock undervalued?

At $214.83 (close on Oct 17, 2026), MKSI trades 108% above its Graham value of $103.23. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Mks Inc. grown?

Revenue went from $1.3B in fiscal 2016 to $3.9B in fiscal 2025, a compound annual growth rate of 13.1%. Net income was $295.0M in fiscal 2025.

Does Mks Inc. generate free cash flow?

Mks Inc. generated $497.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 10 of the last 10 reported years.

What is MKSI's return on invested capital?

Average ROIC over the last 10 fiscal years was 9.9%, and average return on equity was 7.5%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this MKSI data come from?

From Mks Inc.'s annual 10-K filings on SEC EDGAR, most recently filed May 7, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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