Npk International Inc. (NPKI) intrinsic value & 10-year financials

Npk International Inc. (NPKI) has a Graham intrinsic value of $6.14 per share. At $10.77 on Oct 17, 2026, the stock trades 75% above that value. Over the last 10 fiscal years revenue shrank 5.7% a year to $277.0M, with an average return on invested capital of 1.4%.

Graham intrinsic value
$6.14
Share price (Oct 17, 2026)
$10.77
Price vs Graham value
75% above
Market cap
$923.2M
Revenue (FY2025)
$277.0M
Revenue growth (10-yr CAGR)
-5.7%
ROIC (10-yr avg)
1.4%
Free cash flow (FY2025)
$26.3M

NPKI 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $277.0M $38.9M $0.45 $26.3M 16.9% 10.1%
FY2024 $217.5M -$150.3M -$1.72 -$5.4M 14.9% 7.9%
FY2023 $749.6M $14.5M $0.16 $70.8M 4.5% 4.1%
FY2022 $815.6M -$20.8M -$0.22 -$53.3M -1.1% -1.8%
FY2021 $614.8M -$25.5M -$0.28 -$24.8M -1.4% -1.7%
FY2020 $492.6M -$80.7M -$0.89 $40.0M -16.0% -11.7%
FY2019 $820.1M -$12.9M -$0.14 $27.5M 1.3% 1.5%
FY2018 $946.5M $32.3M $0.35 $18.3M 6.7% 6.5%
FY2017 $747.8M -$6.1M -$0.07 $7.0M 4.2% 5.2%
FY2016 $471.5M -$40.7M -$0.49 -$27.3M -12.1% -6.3%

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

Executive summary

NPK International Inc. is facing top-line stagnation, with revenue contracting over the decade.

NPK International Inc. has historically struggled to out-earn its cost of capital, averaging just 1.4% ROIC.

NPK International Inc. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, NPK International Inc. is modeled at 3.7% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $6.14 per share.

NPKI stock: frequently asked questions

What is the intrinsic value of Npk International Inc. (NPKI) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 3.7% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, NPKI's intrinsic value is about $6.14 per share.

Is NPKI stock undervalued?

At $10.77 (close on Oct 17, 2026), NPKI trades 75% above its Graham value of $6.14. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Npk International Inc. grown?

Revenue went from $471.5M in fiscal 2016 to $277.0M in fiscal 2025, a compound annual growth rate of -5.7%. Net income was $38.9M in fiscal 2025.

Does Npk International Inc. generate free cash flow?

Npk International Inc. generated $26.3M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 6 of the last 10 reported years.

What is NPKI's return on invested capital?

Average ROIC over the last 10 fiscal years was 1.4%, and average return on equity was -5.7%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this NPKI data come from?

From Npk International Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 30, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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