NPK International Inc. (NPKI) stock
Close on Nov 12, 2026Market cap $776.29MP/E 18.5Yield –
NPK International Inc. grew revenue 18.8% to $308.13M over the twelve months to Sep 30, 2026. Operating income rose 13.9% to $52.24M, moving the operating margin from 17.7% to 17.0%. Free cash flow was $10.38M, up 264.6% from a year earlier. At the latest close the market valued the company at $776.29M, 18.5 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $776.29M
- P/E ratio
- 18.5
- Price to sales
- 2.52
- Price to book
- 2.12
- Dividend yield
- –
- Free cash flow yield
- 1.34%
Fundamentals
- Revenue
- $308.13M
- Net income
- $43.14M
- EPS, diluted
- $0.50
- Free cash flow
- $10.38M
- Book value per share
- $4.29
- Diluted shares
- 85M
Trading
- Next earnings
- Feb 24, 2027 (estimated, during market hours)
- Previous close
- $9.36
- Open
- $9.23
- Day's range
- $9.18 – $9.66
- Volume
- 1,078,352
- Average volume (20 days)
- 1,217,571
- Index membership
- Russell 2000, Russell 3000
- Beta (5 years)
- 0.71
- 52-week range
- $8.24 – $16.50
- RSI (14 days)
- 34.3
- Volatility (1 year)
- 42.4%
- Relative volume
- 1.22×
- WACC
- 8.3%
On 1 of our idea list: Insiders buying the dip
Index membership is inferred from the holdings of funds that track each index (IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | NPKI | S&P 500 | Difference | NPKI per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -17.9% | -2.7% | −15.2 pts | ||
| 3 months | -34.0% | -1.7% | −32.2 pts | ||
| Year to date | -22.4% | +11.9% | −34.3 pts | ||
| 1 year | -27.2% | +12.0% | −39.2 pts | ||
| 3 years | +33.1% | +78.2% | −45.1 pts | +10.0% | +21.2% |
| 5 years | +179.5% | +73.2% | +106.2 pts | +22.8% | +11.6% |
| 10 years | +34.1% | +309.6% | −275.6 pts | +3.0% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases NPK International filed with the SEC as exhibits to Form 8-K or 6-K
- Update
- Results
- Update
- Results
- Update
- Results
About NPK International
Services-Miscellaneous Equipment Rental & Leasing
NPK International Inc. provides temporary worksite access solutions through the manufacture, sale, and rental of recyclable composite matting systems. The company operates through rental and service activities as well as direct product sales, providing related planning, logistics, and site restoration services. Its primary customer markets include power transmission, oil and natural gas exploration and production, pipeline infrastructure, petrochemicals, renewable energy, and general construction. Utility providers and service contractors supporting the power grid represent its primary end customers.
Company profile, executives and historyNPK International stock: common questions
What is NPK International's stock price?
NPKI closed at $9.25 on Nov 12, 2026, down 1.18% on the day. Over the past 52 weeks it traded between $8.24 and $16.50.
What is NPK International's market cap?
NPK International was worth $776.29M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is NPKI's P/E ratio?
NPKI trades at 18.5 times earnings, based on diluted earnings per share of $0.50 over the twelve months to Sep 30, 2026.
How much revenue does NPK International make?
NPK International reported revenue of $308.13M for the twelve months to Sep 30, 2026, up 18.8% from a year earlier.
Does NPK International pay a dividend?
No. NPK International has not paid a cash dividend over the last twelve months.
When does NPK International report earnings next?
NPK International is expected to report Q4 FY2026 results on Feb 24, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has NPKI stock performed over the past year?
Including dividends, NPKI returned -27.2% over the past year, against +12.0% for the S&P 500.
How many NPKI shares are sold short?
2M shares were sold short at the latest FINRA report, 2.72% of the float, or 2.3 days of average trading volume.
Who are NPK International's competitors?
Companies most similar to NPK International by business, industry and size include WSC, KPLT, MGRC, HRI, OOMA.
See a number that looks wrong?