Koppers (KOP)

$43.41 -1.88% on the day Market cap $835M 52-week range $25.00 to $53.00 Prices as of Oct 11, 2026

What the price implies

A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.

Free cash flow growth the price needs
-1% a year for 10 years

At a market value of $835M, Koppers's free cash flow of $68M (fiscal 2025) would need to grow about -1% a year for the stock to be worth today's price. That is close to what the company has delivered over the last 9 years.

Assumes a 9% discount rate and 3% growth after year 10, on free cash flow (operating cash flow minus capital spending) from Koppers's SEC filings. Change any assumption, or model revenue and margins instead, in the Modeling tab, or try your own numbers in the reverse DCF calculator.

Implied by the price-1.3% a year
Free cash flow, last 9 years-0.3% a year
Revenue, same period3.2% a year
Price to free cash flow12.4x

Fundamental grade

D

Five factors scored 1 to 9 from KOP's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.

Valuation9
Profitability1
Growth2
Financial health4
Cash efficiency4

Results from SEC filings

Fiscal years, from Koppers's 10-K filings. Ten years of the full income statement, balance sheet and cash flow.

Fiscal year20212022202320242025
Revenue$1.7B$2.0B$2.2B$2.1B$1.9B
Net income$85M$63M$89M$52M$56M
Free cash flow-$22M-$3M$26M$42M$68M
EPS (diluted)$3.88$2.98$4.14$2.46$2.74
Operating margin9.3%7.0%9.1%7.1%8.9%

Where the revenue comes from

Revenue by segments, fiscal 2023. Every breakdown, year by year.

Railroad And Utility Products And Services$898M42%
Performance Chemicals$672M31%
Carbon Materials and Chemicals$585M27%

Superinvestors who own KOP

From each investor's latest 13F filing (what a 13F shows). 4 of the investors we track hold it.

InvestorLast quarterValue% of portfolioQuarter
Richard Pzena
Pzena Investment Management
Trimmed $48M0.14%Q2 2026
Cliff Asness
AQR Capital Management
Trimmed $4M0.00%Q2 2026
Mario Gabelli
GAMCO Investors
Held $1M0.01%Q2 2026
Joel Greenblatt
Gotham Asset Management
New position $517,3380.00%Q2 2026

Insider buying

Open-market purchases by Koppers's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you.

No open-market insider purchases of KOP in the last 12 months. Most insider activity is selling and option exercises, which aren't shown here.

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In the full deep dive

DCF fair value per share
Yearly return (IRR) at today's price
Growth implied by revenue and margins
15+ years of statements and quarters

Questions

What growth does Koppers's stock price imply?

At a market value of $835M, Koppers would need its free cash flow to grow about -1% a year for 10 years (discounted at 9%, 3% growth after that) to be worth today's price. Over the last 9 years its free cash flow grew -0% a year.

Are Koppers insiders buying the stock?

No open-market insider purchases of KOP in the last 12 months, according to SEC Form 4 filings.

Which superinvestors own Koppers?

4 of the superinvestors Investingly tracks hold KOP in their latest 13F, including Richard Pzena, Cliff Asness, Mario Gabelli.

Prices and ratios as of Oct 11, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.