Idex Corp. /DE/ (IEX) intrinsic value & 10-year financials

Idex Corp. /DE/ (IEX) has a Graham intrinsic value of $122.77 per share. At $235.55 on Oct 17, 2026, the stock trades 92% above that value. Over the last 10 fiscal years revenue grew 5.6% a year to $3.5B, with an average return on invested capital of 14.9%.

Graham intrinsic value
$122.77
Share price (Oct 17, 2026)
$235.55
Price vs Graham value
92% above
Market cap
$17.7B
Revenue (FY2025)
$3.5B
Revenue growth (10-yr CAGR)
5.6%
ROIC (10-yr avg)
14.9%
Free cash flow (FY2025)
$616.8M

IEX 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $3.5B $483.2M $6.41 $616.8M 20.2% 10.1%
FY2024 $3.3B $505.0M $6.64 $603.0M 20.7% 11.1%
FY2023 $3.3B $596.1M $7.85 $626.8M 22.4% 13.3%
FY2022 $3.2B $586.9M $7.71 $489.4M 23.6% 15.9%
FY2021 $2.8B $449.4M $5.88 $492.6M 23.0% 16.8%
FY2020 $2.4B $377.8M $4.94 $517.7M 22.1% 16.1%
FY2019 $2.5B $425.5M $5.56 $477.1M 23.2% 18.8%
FY2018 $2.5B $410.6M $5.29 $423.3M 22.9% 18.6%
FY2017 $2.3B $337.3M $4.36 $388.9M 22.0% 15.9%
FY2016 $2.1B $271.1M $3.53 $361.7M 19.2% 12.9%

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

Executive summary

IDEX Corporation has demonstrated mature, steady growth, with revenue compounding at 5.6% annually over the past decade.

IDEX Corporation returns on capital have been average, hovering around 14.9% ROIC over the decade.

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

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, IDEX Corporation is modeled at 6.8% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $122.77 per share.

IEX stock: frequently asked questions

What is the intrinsic value of Idex Corp. /DE/ (IEX) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 6.8% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, IEX's intrinsic value is about $122.77 per share.

Is IEX stock undervalued?

At $235.55 (close on Oct 17, 2026), IEX trades 92% above its Graham value of $122.77. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Idex Corp. /DE/ grown?

Revenue went from $2.1B in fiscal 2016 to $3.5B in fiscal 2025, a compound annual growth rate of 5.6%. Net income was $483.2M in fiscal 2025.

Does Idex Corp. /DE/ generate free cash flow?

Idex Corp. /DE/ generated $616.8M 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 IEX's return on invested capital?

Average ROIC over the last 10 fiscal years was 14.9%, and average return on equity was 17.5%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this IEX data come from?

From Idex Corp. /DE/'s annual 10-K filings on SEC EDGAR, most recently filed Jul 29, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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